WAGO EPSITRON 787-1668 Series User manual

Brand: WAGO

Model: EPSITRON 787-1668 Series

Type: User manual

This manual is also suitable for

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Manual

EPSITRON

Electronic Circuit Breaker

787-1668(/xxxx-xxxx)

24 VDC, 8 × 2 … 10 A

Version 1.1.0

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2 EPSITRON®

787-1668 Electronic Circuit Breaker

Manual

Version 1.1.0

WAGO Kontakttechnik GmbH & Co. KG

Hansastraße 27

D-32423 Minden

Phone: +49 (0) 571/8 87 – 0

Fax: +49 (0) 571/8 87 – 1 69

E-Mail: [email protected]

Web: http://www.wago.com

Technical Support

Phone: +49 (0) 571/8 87 – 5 55

Fax: +49 (0) 571/8 87 – 85 55

E-Mail: [email protected]

Every conceivable measure has been taken to ensure the accuracy and

completeness of this documentation. However, as errors can never be fully

excluded, we always appreciate any information or suggestions for improving the

documentation.

E-Mail: [email protected]

We wish to point out that the software and hardware terms as well as the

trademarks of companies used and/or mentioned in the present manual are

generally protected by trademark or patent.

=== Ende der Lis te f ür T e xtmar ke Ei nb and _vor ne = ==

EPSITRON® Table of Contents 3

787-1668 Electronic Circuit Breaker

Manual

Version 1.1.0

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Table of Contents

Table of Contents ................................................................................................... 3

1 Notes about this Documentation ................................................................. 5

1.1 Validity of this Documentation ................................................................. 5

1.2 Copyright ................................................................................................... 5

1.3 Symbols ..................................................................................................... 6

1.4 Number Notation ....................................................................................... 8

1.5 Font Conventions ...................................................................................... 8

2 Important Notes ........................................................................................... 9

2.1 Legal Bases ............................................................................................... 9

2.1.1 Subject to Changes ............................................................................... 9

2.1.2 Personnel Qualifications ....................................................................... 9

2.1.3 Use of the 787 Series in Compliance with Underlying Provisions ...... 9

2.1.4 Technical Condition of Specified Devices ......................................... 10

2.2 Safety Advice (Precautions) .................................................................... 11

3 Device Description ..................................................................................... 13

3.1 View ........................................................................................................ 14

3.2 Connectors ............................................................................................... 15

3.2.1 Power supply ...................................................................................... 15

3.2.2 Fuse-Protected Outputs ...................................................................... 16

3.2.3 Control and Signaling Contacts .......................................................... 16

3.3 Display Elements .................................................................................... 17

3.4 Operating Elements ................................................................................. 18

3.4.1 Buttons ................................................................................................ 18

3.4.2 Rotary Switch ..................................................................................... 19

3.5 Technical Data ........................................................................................ 20

3.5.1 Device Data ........................................................................................ 20

3.5.2 Technical Data for "Input" ................................................................. 21

3.5.3 Technical Data for "Output" ............................................................... 22

3.5.4 Technical Data for "Ambient conditions" .......................................... 23

3.5.5 Technical Data for "Signaling" .......................................................... 23

3.6 Approvals ................................................................................................ 24

3.7 Standards and Guidelines ........................................................................ 25

4 Mounting ..................................................................................................... 26

4.1 Mounting ................................................................................................. 26

4.2 Mounting the Device on the DIN 35 Rail ............................................... 26

4.3 Removing the Device from the DIN 35 Rail .......................................... 27

5 Connect Devices ......................................................................................... 28

5.1 Connection Example ............................................................................... 28

6 Function Description ................................................................................. 29

6.1 Undervoltage and Overvoltage Detection ............................................... 29

6.2 Trip Curves .............................................................................................. 29

6.2.1 Trip Curve for the 10 A Circuit Breaker 787-1668 ............................ 29

6.2.2 Trip Curve for the 6 A Circuit Breaker 787-1668/0106-0000 ........... 30

4 Table of Contents EPSITRON®

787-1668 Electronic Circuit Breaker

Manual

Version 1.1.0

6.2.3 Trip Curve for the 6 A Circuit Breaker with Active Current Limitation

787-1668/0006-1000 .......................................................................... 30

6.2.3.1 Response of the Electronic Circuit Breaker with Active Current

Limitation ...................................................................................... 31

6.2.3.1.1 Response 1: Over-current present that is greater than Threshold

3 ................................................................................................. 32

6.2.3.1.2 Response 2: Over-current present that is greater than Threshold

1, but less than Threshold 2 ...................................................... 32

6.2.3.1.3 Response 3: Over-current present that is greater than the

nominal current, but less than Threshold 1 ............................... 32

6.2.3.2 Selective immediate deactivation .................................................. 32

6.3 Activating Capacitive Loads ................................................................... 33

6.3.1 Reference Values for 787-1668 and 787-1668/0106-0000 ................ 33

6.3.2 Reference Values for 787-1668/0006-1000 ....................................... 33

6.4 Operating Statuses, Signaling, Reactions ................................................ 34

6.5 ON Delay for Specific Channels ............................................................. 36

6.6 Control Input S1 ...................................................................................... 37

6.6.1 Re-activating Tripped Channels ......................................................... 37

6.6.2 Specific Activation and De-activation of Non-Tripped Output

Channels ............................................................................................. 38

6.7 Signal Output S2 ..................................................................................... 42

6.8 Functioning of Communication between Control Input S1 and Signal

Output S2 ................................................................................................ 44

6.9 Signal Output S3 ..................................................................................... 45

List of Figures ...................................................................................................... 46

List of Tables ........................................................................................................ 47

=== Ende der Lis te f ür T e xtmar ke V erz eic hnis _vor ne == =

EPSITRON® Notes about this Documentation 5

787-1668 Electronic Circuit Breaker

Manual

Version 1.1.0

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1 Notes about this Documentation

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Keep this documentation!

The operating instructions are part of the product and shall be kept for the entire

lifetime of the device. They shall be transferred to each subsequent owner or user

of the device. Care must also be taken to ensure that any supplement to these

instructions are included, if applicable.

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1.1 Validity of this Documentation

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This documentation applies to the electronic circuit breaker 787-1668 and the

versions listed in the following table.

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Table 1: Versions

Item No./Version

Description

787-1668/0106-0000

Electronic Circuit Breaker

24 V DC, 8×6 A

787-1668/0006-1000

Electronic Circuit Breaker

24 V DC, 8×6 A,

with Active Current Limitation

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1.2 Copyright

This Manual, including all figures and illustrations, is copyright-protected. Any

further use of this Manual by third parties that violate pertinent copyright

provisions is prohibited. Reproduction, translation, electronic and phototechnical

filing/archiving (e.g., photocopying) as well as any amendments require the

written consent of WAGO Kontakttechnik GmbH & Co. KG, Minden, Germany.

Non-observance will involve the right to assert damage claims.

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6 Notes about this Documentation EPSITRON®

787-1668 Electronic Circuit Breaker

Manual

Version 1.1.0

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1.3 Symbols

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Personal Injury!

Indicates a high-risk, imminently hazardous situation which, if not avoided, will

result in death or serious injury.

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Personal Injury Caused by Electric Current!

Indicates a high-risk, imminently hazardous situation which, if not avoided, will

result in death or serious injury.

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Personal Injury!

Indicates a moderate-risk, potentially hazardous situation which, if not avoided,

could result in death or serious injury.

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Personal Injury!

Indicates a low-risk, potentially hazardous situation which, if not avoided, may

result in minor or moderate injury.

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Damage to Property!

Indicates a potentially hazardous situation which, if not avoided, may result in

damage to property.

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Damage to Property Caused by Electrostatic Discharge (ESD)!

Indicates a potentially hazardous situation which, if not avoided, may result in

damage to property.

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Important Note!

Indicates a potential malfunction which, if not avoided, however, will not result in

damage to property.

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EPSITRON® Notes about this Documentation 7

787-1668 Electronic Circuit Breaker

Manual

Version 1.1.0

Additional Information:

Refers to additional information which is not an integral part of this

documentation (e.g., the Internet).

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8 Notes about this Documentation EPSITRON®

787-1668 Electronic Circuit Breaker

Manual

Version 1.1.0

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1.4 Number Notation

Table 2: Number notation

Number code

Example

Note

Decimal

100

Normal notation

Hexadecimal

0x64

C notation

Binary

'100'

'0110.0100'

In quotation marks, nibble separated with

dots (.)

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1.5 Font Conventions

Table 3: Font conventions

Font type

Indicates

italic

Names of paths and data files are marked in italic-type.

e.g.: C:\Programme\WAGO-I/O-CHECK

Menu items are marked in bold letters.

e.g.: Save

A greater-than sign between two names means the selection of a

menu item from a menu.

e.g.: File > New

Input

Designation of input or optional fields are marked in bold letters,

e.g.: Start of measurement range

“Value”

Input or selective values are marked in inverted commas.

e.g.: Enter the value “4 mA” under Start of measurement range.

[Button]

Pushbuttons in dialog boxes are marked with bold letters in square

brackets.

e.g.: [Input]

[Key]

Keys are marked with bold letters in square brackets.

e.g.: [F5]

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EPSITRON® Important Notes 9

787-1668 Electronic Circuit Breaker

Manual

Version 1.1.0

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2 Important Notes

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This section includes an overall summary of the most important safety

requirements and notes that are mentioned in each individual section. To protect

your health and prevent damage to devices as well, it is imperative to read and

carefully follow the safety guidelines.

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2.1 Legal Bases

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2.1.1 Subject to Changes

WAGO Kontakttechnik GmbH & Co. KG reserves the right to provide for any

alterations or modifications that serve to increase the efficiency of technical

progress. WAGO Kontakttechnik GmbH & Co. KG owns all rights arising from

the granting of patents or from the legal protection of utility patents. Third-party

products are always mentioned without any reference to patent rights. Thus, the

existence of such rights cannot be excluded.

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2.1.2 Personnel Qualifications

All sequences implemented on 787 Series devices may only be carried out by

electrical specialists with sufficient knowledge in automation. The specialists

must be familiar with the current norms and guidelines for the devices and

automated environments.

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2.1.3 Use of the 787 Series in Compliance with Underlying

Provisions

The EPSITRON

787 Series power supply system provides direct current to

electric or electronic devices, such as industrial control systems or display,

communication and measuring devices.

The devices have been developed for use in an environment that meets the IP20

protection class criteria. Protection against finger injury and solid impurities up to

12.5 mm diameter is assured; protection against water damage is not ensured.

Unless otherwise specified, operation of the components in wet and dusty

environments is prohibited.

The devices are designed for installation in an enclosure. Under no circumstances

may they be used in control systems for planes or nuclear facilities, as any

malfunction in these applications could result in severe injuries or risk of death.

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10 Important Notes EPSITRON®

787-1668 Electronic Circuit Breaker

Manual

Version 1.1.0

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2.1.4 Technical Condition of Specified Devices

The components to be supplied Ex Works, are equipped with hardware and

software configurations, which meet the individual application requirements.

WAGO Kontakttechnik GmbH & Co. KG will be exempted from any liability in

case of changes in hardware or software as well as to non-compliant usage of

components.

Please send your request for modified and new hardware or software

configurations directly to WAGO Kontakttechnik GmbH & Co. KG.

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EPSITRON® Important Notes 11

787-1668 Electronic Circuit Breaker

Manual

Version 1.1.0

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2.2 Safety Advice (Precautions)

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For installing and operating purposes of the relevant device to your system the

following safety precautions shall be observed:

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Do not work on components while energized!

All power sources to the device shall be switched off prior to performing any

installation, repair or maintenance work.

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Installation only in appropriate housings, cabinets or in electrical operation

rooms!

Always install devices of the 787 Series in enclosures, cabinets or electrical

equipment rooms which can be closed and locked. Ensure that access to this

equipment/these rooms is possible only by authorized specialists with the

appropriate key or tools.

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Do not use these devices in control systems for planes, trains or nuclear

facilities!

Never use these devices in control systems for planes, trains or nuclear facilities,

as any malfunction in these applications can result in severe injuries or risk of

death!

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Switch off power supply to defective device!

Switch off power supply to the device immediately if the device malfunctions or

is damaged! Control systems connected to the device may also be damaged!

Return the defective device directly to WAGO.

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Do not plug in or disconnect the female connector while a load is applied!

Only plug in or disconnect the female connectors when the device is not live!

Failure to observe this can result in damage to the contacts due to arcing!

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Plug the female connectors all the way into the male connectors!

Always plug the female connectors all the way in to the male connectors. This

ensures proper contact at all times.

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12 Important Notes EPSITRON®

787-1668 Electronic Circuit Breaker

Manual

Version 1.1.0

Attach the free ends of the conductors using a strain relief device!

Provide appropriate strain relief means to attach and cap any free ends of the

conductors. Female connectors can be pulled out of the male connectors by high

vibration levels or shock impacts.

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Protect the components against materials having seeping and insulating

properties!

The components are not resistant to materials having seeping and insulating

properties such as: aerosols, silicones and triglycerides (found in some hand

creams). If you cannot exclude that such materials will appear in the component

environment, then install the components in an enclosure being resistant to the

above-mentioned materials. Clean tools and materials are imperative for handling

devices/modules.

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Cleaning only with permitted materials!

Clean soiled contacts using oil-free compressed air or with ethyl alcohol and

leather cloths.

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Do not use any contact spray!

Do not use any contact spray. The spray may impair contact area functionality in

connection with contamination.

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Do not reverse the polarity of connection lines!

Avoid reverse polarity of data and power supply lines, as this may damage the

devices involved.

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Avoid electrostatic discharge!

The devices are equipped with electronic components that you may destroy by

electrostatic discharge when you touch. Pay attention while handling the devices

to good grounding of the environment (persons, job and packing).

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EPSITRON® Device Description 13

787-1668 Electronic Circuit Breaker

Manual

Version 1.1.0

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3 Device Description

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The 787-1668 electronic circuit breaker reliably protects up to 8 load circuits

against short circuiting and overloading. The 24 VDC input voltage is distributed

among 8 output channels, each of which can be provided with separate fuse

protection.

Table 4: Fuse Protection of Output Channels

Variant

Fuse protection for each output

channel (can be set)

787-1668

2 A, 3 A, 4 A, 6 A, 8 A, 10 A

787-1668/0106-0000

1 A, 2 A, 3 A, 4 A, 5 A, 6 A

787-1668/0006-1000

0,5 A, 1 A, 2 A, 3 A, 4 A, 6 A

(with active current limitation)

The electronics can accommodate brief current peaks.

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There are 8 rotary switches on the device which can be used to set the nominal

current for each of the individual output channels.

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The current status of the output channel is indicated by a multi-colored LED.

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In the event of a short circuit or overloading, the individual output channel is de-

energized after a defined trip time.

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Wait for temperature to return to normal!

If an output channel has been de-activated due to short-circuiting or overloading,

wait until the temperature returns to its normal range (cooling period) before re-

activating the channel.

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The device contains control and signaling contacts, which can be used for reading

out information relevant to operation. These contacts are also used to activate and

de-activate specific output channels individually. This device is equipped with

• one digital control input and

• two digital signal outputs.

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14 Device Description EPSITRON®

787-1668 Electronic Circuit Breaker

Manual

Version 1.1.0

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3.1 View

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Figure 1: View of device

Table 5: Key for "Device view" figure

No.

Designation

Reference

Switch

"Device Description" >

"Operating Elements" > "Buttons"

Rotary switch

"Device Description" > "Operating

Elements" > "Rotary Switches"

Cover, sealable *)

CAGE CLAMP

connections

Control input S1 and

Signaling outputs S2 and S3

"Function Description" >

"Control Input S1"/

"Signaling Output S2"/

"Signaling Output S3"

Marking field **)

CAGE CLAMP

connections

for fuse-protected output channels

"Device Description" >

"Connections" >

"Fuse-Protected Output Channels"

CAGE CLAMP

connections

for 0 V reference potential

(for internal supply only)

"Device Description" >

"Connections" > "Power Supply"

CAGE CLAMP

connections

for 24 V input voltage

*) can also be marked using TOPJOB

S marker strips (Item No. 2009-110)

**) can be marked using TOPJOB

S marker strips (Item No. 2009-110) or

WMB Multi marking system

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EPSITRON® Device Description 15

787-1668 Electronic Circuit Breaker

Manual

Version 1.1.0

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3.2 Connectors

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Do not plug in or disconnect the female connector while a load is applied!

Only plug in or disconnect the female connectors when the device is not live!

Failure to observe this can result in damage to the contacts due to arcing!

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Plug the female connectors all the way into the male connectors!

Always plug the female connectors all the way in to the male connectors. This

ensures proper contact at all times.

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Attach the free ends of the conductors using a strain relief device!

Provide appropriate strain relief means to attach and cap any free ends of the

conductors. Female connectors can be pulled out of the male connectors by high

vibration levels or shock impacts.

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3.2.1 Power supply

Table 6: Power supply connections

Figure 2: 24 V input

No.

Designation

Function

24 V input voltage

Table 7: Power supply connections

Figure 3: 0 V input

No.

Designation

Function

Reference potential 0 V

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16 Device Description EPSITRON®

787-1668 Electronic Circuit Breaker

Manual

Version 1.1.0

Total current exceeds 40 A!

Distribute the current to input terminals "IN1" and "IN2" when the total current

should exceed 40°A, as otherwise the plug-in connectors will become overheated

and can be damaged or destroyed.

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3.2.2 Fuse-Protected Outputs

Table 8: Connections – Fuse-protected outputs

Figure 4: Fuse-protected

outputs Ch1 … Ch8

No.

Designation

Function

1 … 8

Ch1 … Ch8

Fuse-protected outputs

Ch1 … Ch8

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3.2.3 Control and Signaling Contacts

Table 9: Connections – Control and signaling contacts

Figure 5: Control and

signaling contacts

No.

Designation

Function

Control Input S1

Signal Output S2

Signal Output S3

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EPSITRON® Device Description 17

787-1668 Electronic Circuit Breaker

Manual

Version 1.1.0

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3.3 Display Elements

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A multi-colored LED, integrated in a button, is assigned to each output channel.

This LED indicates the current operating status of the output channel.

Figure 6: Indicators

Table 10: Legend for "Indicators" figure

LED

Button color

Explanation

1 … 8

Green

Output channel activated

Red

Output channel

deactivated

Red, flashing

Wait for temperature to

return to normal (cooling

period)

Further signaling possible!

Other statuses can also be indicated if an error occurs. For information about this,

refer to the "Operating Statuses, Signaling, Reactions" table given in this manual.

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18 Device Description EPSITRON®

787-1668 Electronic Circuit Breaker

Manual

Version 1.1.0

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3.4 Operating Elements

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3.4.1 Buttons

A button is assigned to each output channel. Depending on the operating mode the

button can have two different functions:

• During operation, the channel can be activated and de-activated.

• If an error is present, the channel can be reset.

Figure 7: Buttons

EPSITRON® Device Description 19

787-1668 Electronic Circuit Breaker

Manual

Version 1.1.0

3.4.2 Rotary Switch

A rotary switch, which can be used to set the output currents for the individual

outputs, is assigned to each output channel. The following settings are possible:

Table 11: Rotary Switch Settings

Variant

Setting

787-1668

2 A

3 A

4 A

6 A

8 A

10 A

787-1668/0106-0000

1 A

2 A

3 A

4 A

5 A

6 A

787-1668/0006-1000

0.5 A

1 A

2 A

3 A

4 A

6 A

Figure 8: Rotary Switch

Observe trip curve!

Observe the trip curve given in the Section "Function Description" when setting

the individual output channels.

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20 Device Description EPSITRON®

787-1668 Electronic Circuit Breaker

Manual

Version 1.1.0

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3.5 Technical Data

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3.5.1 Device Data

Table 12: Device data

Width

42 mm

Height

127 mm

Depth (from upper edge of DIN 35 rail)

142.5 mm

Weight

440 g

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