VD4
Vacuum circuit-breaker for capacitive switching
Instruction manual BA 534/01 E
2 VD4 Vacuum-circuit-breaker | Instruction manual 534/01
Instruction manual 534/01 | VD4 Vacuum-circuit-breaker 3
Your safety first – always!
That’s why our instruction manual begins with these recommendations:
• Only install switchgear and/or switchboards in enclosed rooms suitable for
electrical equipment.
• Ensure that installation, operation and maintenance are carried out by
specialist electricians only.
• Comply in full with the legally recognized standards (DIN VDE / IEC), the
connection conditions of the local electrical utility and the applicable safety
at work regulations.
• Observe the relevant information in the instruction manual for all actions
involving switchgear and switchboards.
• Danger!
Pay special attention to the hazard notes in the instruction manual marked
with this warning symbol.
• Make sure that under operation condition of the switchgear or switchboard
the specified data are not exceeded.
• Keep the instruction manual accessible to all persons concerned with
installation, operation and maintenance.
• The user’s personnel are to act responsibly in all matters affecting safety at
work and the correct handling of the switchgear.
If you have any further questions on this instruction manual, the members of our
field organization will be pleased to provide the required information.
4 VD4 Vacuum-circuit-breaker | Instruction manual 534/01
We reserve all rights to this publication. Misuse, particularly including duplication and making available of this
manual – or extracts – to third parties is prohibited. The information supplied is without liability. Subject to alteration.
© ABB AG 2009
Contents Page
1 Summary 6
1.1 General 6
1.2 Standards and specifications 6
1.2.1 Switchgear manufacture 6
1.2.2 Installation and operation 6
1.3 Operating conditions 6
1.3.1 Normal operating conditions 6
1.3.2 Special operating conditions 6
2 Technical data 7
Circuit-breakers for fixed installation
2.1 Technical data and weight 7
2.2 Technical data Releases and blocking magnet 8
2.3 Technical data
Charging motor for stored-energy spring mechanisms 8
2.4 Permissible number of vacuum interrupter switching operations 10
2.5 Dimensional drawings Circuit-breakers for fixed installation 11
2.6 Circuit-breaker wiring diagram 12
3 Technical data 13
Circuit-breakers on withdrawable part
3.1 Technical data and weight 13
3.2 Dimensional drawings 14
3.3 Wiring diagrams for C.B. on withdrawable part 17
4 Structure and function 21
4.1 Basic structure of the C.B. on withdrawable part 21
4.2 Structure on the breaker poles 21
4.3 Structure of the breaker operating mechanism 21
4.3.1 Releases, blocking magnet and auxiliary switches 21
4.3.2 Mounting of the VD4 on trucks from other manufacturers 22
4.4 Function 22
4.4.1 Charging of the spring energy storage mechanism 22
4.4.2 Closing procedure 22
4.4.3 Opening procedure 22
4.4.4 Auto-reclosing sequence 22
4.4.5 Quenching principle of the vacuum interrupter 23
4.5 Interlocks/protection against maloperation 23
5 Despatch and storage 26
5.1 Condition on delivery 26
5.2 Packaging 26
5.3 Transport 26
5.4 Delivery 26
5.5 Intermediate storage 26
6 Installation and mounting of the breaker 27
Instruction manual 534/01 | VD4 Vacuum-circuit-breaker 5
Contents Page
7 Commissioning/Operation 27
7.1 Note on safety at work 27
7.2 Preparatory activities 27
7.3 Movement of the withdrawable part 27
7.3.1 Manual insertion from the test/disconnected position to the service position 27
7.3.2 Manual withdrawable from the service position into the test/disconnected position 28
7.3.3 Motor-driven movement of the withdrawable part 28
7.3.4 Withdrawable from the test/disconnected position onto the service truck 28
7.3.5 Insertion from the service truck into the test/disconnected position 28
7.4 Operation of the circuit-breaker 28
7.4.1 Charging the spring energy storage mechanism 29
7.4.2 Closing and opening the circuit-breaker 29
8 Maintenance 31
8.1 General 31
8.1.1 Service-life 31
8.2 Inspection and functional testing 31
8.2.1 Switching device in general 31
8.2.2 Stored-energy spring mechanism 31
8.2.3 Breaker pole 32
8.2.4 Withdrawable assembly 32
8.3 Servicing 32
8.3.1 Switching devices in general 32
8.3.2 Stored-energy spring mechanism 32
8.3.3 Breaker pole 33
8.4 Repair 33
8.4.1 VD4 circuit-breaker run-on block 33
8.4.2 Replacement of circuit-breaker parts and accessories 33
8.4.3 Touch up of surfaces 33
8.4.4 Circuit-breakers in general 33
8.4.5 Replacement of contact systems 33
8.4.6 Replacement of withdrawable assembly 34
8.5 Testing withdrawable parts with a VD4 type circuit-breaker 34
8.5.1 Motor-driven withdrawable parts 34
8.5.2 Checking the correctness of dimensional settings 34
8.5.3 Checking auxiliary switch settings on type A withdrawable parts 34
8.5.4 Checking auxiliary switch settings on type B withdrawable parts 35
8.5.5 Checking the direction of rotation of the travel motors on motor-driven withdrawable parts 35
8.5.6 Testing of interlock conditions 35
8.6 Spare parts, auxiliary materials, lubricants 36
8.6.1 Spare parts 36
8.6.2 Auxiliary materials 38
9 Application of the X-ray regulations 42
10 Comparison of designations to VDE-DIN 40719 Part 2 and IEC 61346-1/IEC 61346-2 42
6 VD4 Vacuum-circuit-breaker | Instruction manual 534/01
1 Summary
1.1 General
(Figures 2/1 bis 2/8)
The vacuum circuit-breakers of type VD4 are intended for
indoor installation in air-insulated switchgear systems. They
have a switching capacity capable of handling the loads oc-
curing at start-up and shutdown of equipment and plant units
both in normal and in fault state.
Vacuum circuit-breakers have particular advantages for use
in networks where there is a high switching frequency in
the working current range and/or where a certain number
of short-circuit breaking operations are expected. Type VD4
vacuum circuit-breakers are suitable for autore-closing, and
have exceptionally high operating reliability and long life.
The vacuum circuit-breakers of type VD4, designed in column
form, can be supplied both as individual units for fixed instal-
lation and mounted on chassis. Their basic structure is shown
in figures 2/1 to 2/8.
1.2 Standards and specifications
1.2.1 Switchgear manufacture
The switchgear complies with the following specifications in
accordance with DIN VDE and the relevant IEC publications:
- VDE 0670, part 1000 and IEC 60694
- VDE 0671, part 100, and IEC 62271-100.
1.2.2 Installation and operation
The relevant specifications are to be taken into account during
installation and operation, particu larly:
- DIN VDE 0101, Power installations exceeding AC 1 kV
- VDE 0105, Operation of electrial installations
- DIN VDE 0141, Earthing systems for special power installa-
tions with rated voltages above 1 kV
- Accident prevention regulations issued by the appropriate
professional bodies or comparable organisations.
- In Germany, these comprise the following safety regulati-
ons:
- Health and Safety at Work Standards BGV A1 and
BGV A3
- Safety guidelines for auxiliary and operating materials
- Order-related details provided by ABB.
1.3 Operating conditions
1.3.1 Normal operating conditions
Design to VDE 0670, part 1000, “Common specifications for
high-voltage switchgear and controlgear standards“ and IEC
publi cation 60694, with the following limit values:
- Ambient temperature:
- Maximum +40°C
- Maximum 24 hour average +35°C
- Minimum (according to
“minus 5 indoor class”) –5°C
- Humidity:
- the average value of the
relative humidity, measured over
a period of 24 h, does not exceed 95%
- the average value of the water
vapour pressure, over a period
of 24 h, does not exceed 2,2 kPa
- the average value of the
relative humidity, over a period
of one month, does not exceed 90%
- the average value of the water
vapour pressure, over a period
of one month, does not exceed 1,8 kPa
- Maximum site altitude:
≤ 1000 m above sea level.
1.3.2 Special operating conditions
Special operating conditions are to be agreed on by the
manufacturer and user. The manufacturer must be consulted
in advance about each special operating condition:
- Site altitude over 1000 m:
- Allow for the reduction in the dielectric strength of the air.
- Increased ambient temperature:
- Current carrying capacity is reduced.
- Provide additional ventilation for heat dissipation.
- Climate:
- Avoid the risk of corrosion or other damage in areas:
- with high humidity and/or
- with major rapid temperature fluctuations.
- Implement preventive measures (e.g. electric heaters) to
preclude condensation phe no mena.
Instruction manual 534/01 | VD4 Vacuum-circuit-breaker 7
Breaker Rated Rated Rated short- Short- Rated short- Rated Pole Weight
2)
Permissible
type voltage current circuit- circuit circuit short-circuit centres number of vacuum
breaking breaking making duration interrupter switching
current current current. operations
symm.
1)
asymm.
1)
(peak)
1)
VD4.. kV A kA kA kA s mm approx. kg Figure 2/9 Page 10
2406-16 24 630 16 17.4 40 3 210/275 162/167 Diagram A
2412-16 1250 210/275 162/167 Diagram B
2416-16 1600 275 167 Diagram B
2420-16 2000 275 167 Diagram B
2425-16 2500 275 173 Diagram B
2406-20 630 20 21.8 50 3 210/275 162/167 Diagram D
2412-20 1250 210/275 162/167 Diagram D
2416-20 1600 275 167 Diagram D
2420-20 2000 275 167 Diagram D
2425-20 2500 275 173 Diagram D
2406-25 630 25 27.3 63 3 210/275 162/167 Diagram E
2412-25 1250 210/275 162/167 Diagram E
2416-25 1600 275 167 Diagram E
2420-25 2000 275 167 Diagram E
2425-25 2500 275 173 Diagram E
2 Technical data
Circuit-breaker for fixed installation
2.1 Technical data and weight
1)
When the operating voltage is lower than the rated voltage, the same values apply as for rated voltage. Higher values on request.
2)
Individual unit (without chassis) with motor-operated mechanism and basic release equipment.
8 VD4 Vacuum-circuit-breaker | Instruction manual 534/01
Guideline values for function times:
Closing time approx. 60 ms
Opening time ≤ 45 ms
Arcing time (at 50 Hz) ≤ 15 ms
Break time ≤ 60 ms
Minimum command time on closing 20 ms
1)
(120 ms
2)
)
Minimum command time on opening 20 ms
1)
(80 ms
2)
)
1)
At the rated supply voltage.
2)
If the activating relay contact cannot itself interrupt the release coil current.
Rated Rated Rated lightning Rated power Rate of rise Peak of Rated operating Rated operating
voltage frequency impulse frequency of transient transient sequence sequence with
withstand withstand recovery recovery autoreclosing
voltage voltage voltage voltage
kV Hz kV kV kV/µs kV
24 50/60 125 50 0.47 41 O-3 min-CO-3 min-CO O-0.3 s-CO-3 min-CO
Equipment Power consumption
1)
AC DC
VA W
Shunt release OFF -MO1
3)
, -MO2
3)
250 250
-MO1
5)
, -MO2
5)
310 310
Shunt release ON -MC
3)
250 250
-MC
5)
310 310
Blocking magnet -RL
3) 5)
10 10
Undervoltage release: -MU
- undelayed
3) 5)
11 10
- delayed
4)
10 -
Indirect overcurrent release with -MO3
intermediate current transformer:
- two-phase 3.5
2)
/15 -
- three-phase 2.0
2)
/15 -
2.2 Technical data
Releases and blocking magnet
1)
Approximate values
2)
With short-circuited intermediate current transformer
3)
Rated supply voltages AC: 110 and 220 V, DC: 24, 48, 60, 110 and 220 V.
4)
See RN3U for supply voltage
5)
Rated supply voltage AC: 240 V, DC: 125 and 240 V.
Groschopp-Motor
Rated supply voltage Power consumption
1)
Motor protection Charging time
(ABB-Stotz m.c.b.) (maximum)
2)
V VA/W A s
AC
110 260 1.6 S 281UC-K 10
220 260 0.75 10
240 260 0.75 10
DC
60 240 3.0 S 282UC-K 10
110 230 1.6 10
125 260 1.6 10
220 240 0.75 10
240 260 0.75 10
2.3 Technical data
Motor-operated mechanisms
1)
Approximate values
2)
At rated supply voltage
Instruction manual 534/01 | VD4 Vacuum-circuit-breaker 9
Figure 2/1 : VD4 circuit-breaker for fixed installation,
24 kV, 2000 A, 25 kA, mechanism side
Figure 2/2 : VD4 circuit-breaker for fixed installation,
24 kV, 2000 A, 25 kA, pole side
Figure 2/3 : VD4 circuit-breaker, on withdrawable part,
24 kV, 1250 A, 25 kA mechanism side
Figure 2/4 : VD4 circuit-breaker, on withdrawable part,
24 kV, 1250 A, 25 kA pole side
10 VD4 Vacuum-circuit-breaker | Instruction manual 534/01
2.4 Permissible number of vacuum interrupter switching operations
Figure 2/9: Permissible number of vacuum interrupter operating cycles n as a function of the breaking current I
a
.
(Reference see section 2.1 and 3.1 – Technical data page 7)
0,05
5
0,1 0,2 0,3 0,4 0,5 0,6 0,8 1
6
7
8
10
2
3
4
5
6
7
8
10
2
2
3
4
5
6
7
8
10
3
2
3
4
5
6
7
8
4
2
3
4
5
6
7
8
10
5
2 3 4 5 6 7 8 109 20 30 40 50
10
Breaking current l
a
(kA)
Number of operating cycles n
0,05
5
0,1 0,2 0,3 0,4 0,5 0,6 0,8 1
6
7
8
10
2
3
4
5
6
7
8
10
2
2
3
4
5
6
7
8
10
3
2
3
4
5
6
7
8
4
2
3
4
5
6
7
8
10
5
2 3 4 5 6 7 8 109 20 30 40 50
10
Breaking current l
a
(kA)
Number of operating cycles n
0,05
5
0,1 0,2 0,3 0,4 0,5 0,6 0,8 1
6
7
8
10
2
3
4
5
6
7
8
10
2
2
3
4
5
6
7
8
10
3
2
3
4
5
6
7
8
4
2
3
4
5
6
7
8
10
5
2 3 4 5 6 7 8 109 20 30 40 50
10
Breaking current l
a
(kA)
Number of operating cycles n
0,05
5
0,1 0,2 0,3 0,4 0,5 0,6 0,8 1
6
7
8
10
2
3
4
5
6
7
8
10
2
2
3
4
5
6
7
8
10
3
2
3
4
5
6
7
8
4
2
3
4
5
6
7
8
10
5
2 3 4 5 6 7 8 109 20 30 40 50
10
Breaking current l
a
(kA)
Number of operating cycles n
Diagram D) Diagram E)
Diagram A) Diagram B)
Instruction manual 534/01 | VD4 Vacuum-circuit-breaker 11
2.5 Dimensional drawings
Circuit-breakers for fixed installation
Rated voltage Rated current Rated short-circuit breaking current
kV A kA p a a
1
c B f
24 … 1250 … 25 210 570 515 520 570 390
275 700 645 650 700 488
> 1250 … 25 275 750 695 700 750 512
Figure 2/14: Dimensional drawing of circuit-breaker type VD4:
high-current, 24 kV, ...2500 A, ... 25 kA.
p p
B
a
c
25
35
550 432
a1
80°
95
310
77,5
282,5
660
345
M
43
409
424
88120
23
370
480
35
100
608
M12
Cable entry
Heat-sink only for 2500 A
Remove the lifting lugs on both sides before commissioning
M M
80
200
f
MM
80
24
20 20
20 20
1212
72
6°
M10 / 20 deep
M12 / 25 deep
+2
+2
530
670
50
385
30
100
>1250 A
...1250 A
p p
B
a
c
25
35
550 432
a1
80°
95
310
77,5
282,5
660
345
M
43
409
424
88120
23
370
480
35
100
608
M12
Cable entry
Heat-sink only for 2500 A
Remove the lifting lugs on both sides before commissioning
M M
80
200
f
MM
80
24
20 20
20 20
1212
72
6°
M10 / 20 deep
M12 / 25 deep
+2
+2
530
670
50
385
30
100
>1250 A
...1250 A
p p
B
a
c
25
35
550 432
a1
80°
95
310
77,5
282,5
660
345
M
43
409
424
88120
23
370
480
35
100
608
M12
Cable entry
Heat-sink only for 2500 A
Remove the lifting lugs on both sides before commissioning
M M
80
200
f
MM
80
24
20 20
20 20
1212
72
6°
M10 / 20 deep
M12 / 25 deep
+2
+2
530
670
50
385
30
100
>1250 A
...1250 A
p p
B
a
c
25
35
550 432
a1
80°
95
310
77,5
282,5
660
345
M
43
409
424
88120
23
370
480
35
100
608
M12
Cable entry
Heat-sink only for 2500 A
Remove the lifting lugs on both sides before commissioning
M M
80
200
f
MM
80
24
20 20
20 20
1212
72
6°
M10 / 20 deep
M12 / 25 deep
+2
+2
530
670
50
385
30
100
>1250 A
...1250 A
p p
B
a
c
25
35
550 432
a1
80°
95
310
77,5
282,5
660
345
M
43
409
424
88120
23
370
480
35
100
608
M12
Cable entry
Heat-sink only for 2500 A
Remove the lifting lugs on both sides before commissioning
M M
80
200
f
MM
80
24
20 20
20 20
1212
72
6°
M10 / 20 deep
M12 / 25 deep
+2
+2
530
670
50
385
30
100
>1250 A
...1250 A
Tested terminal zone
M = Minimum distance to DIN VDE 0101
= Earthing conductor terminal, use contact washer
12 VD4 Vacuum-circuit-breaker | Instruction manual 534/01
2.6 Circuit-breaker wiring diagram
Shown with the spring energy storage mechanism in the
discharged state. The wiring diagram comprises the basic
components and all further equipment options for the various
VD4 types. The scope of equipment possible within an indi-
vidual type series is listed in the relevant switchgear list, and
the equipment fitted in each individual case can be found in
the order documentation.
Note:
Shunt releases and blocking magnets are fundamentally wired
with rectifiers (e.g. magnet holder 40 with integrated rectifiers
-TR4, -TR1, -TR3 and -TR2).
Rectifiers function as free-wheeling diodes if d.c.-supply.
1)
Only when -RL1 not fitted
2
) External operation
Sonderbestückung für -BB3
Type 19 Type 20 Type 22 Type 23 Type 24
Figure 2/15 : Wiring diagram
Arrangement for DC: 24, 48, 60, 110, 125, 220, 240 V; AC: 110, 220, 240 V
See page 43 for comparison of VDE/IEC designa
-BS1 Auxiliary switch on operating mechanism
-BL1 Auxiliary switch on blocking magnet
-BB1 Auxiliary switch on the breaker shaft
-BB2 Auxiliary switch on the breaker shaft
-BB3 Auxiliary switch on the breaker shaft
-BB4 Auxiliary switch for fault annunciation
(fleeting contact, time ≥ 30 ms)
-RL1 Blocking magnet
-MO1 Shunt release OFF
-MC Shunt release ON
-MU Undervoltage release
-MO3 Indirect overcurrent release
-MO2 Second shunt release OFF
-TR4 Series rectifier for -RL1
-TR1 Series rectifier for -MO1
-TR3 Series rectifier for -MC and -KN
-TR6 Series rectifier for -MU
-TR2 Series rectifier for -MO2
-MS Charging motor for spring energy store
-KN Anti-pumping relay
-RR Series resistor
Instruction manual 534/01 | VD4 Vacuum-circuit-breaker 13
3 Technical Data
Circuit-breakers on withdrawable part
3.1 Technical data and weight
1)
Breaker Rated Rated Rated short- Short- Rated short- Rated short- Pole Weight
1) 3)
Permissible number
type voltage current circuit- circuit circuit circuit centres
1)
of vacuum interrupter
breaking breaking making duration switching operations
current current current
symm.
2)
asymm.
2)
(peak)
2)
VD4.. kV A kA kA kA s mm approx. kg Figure 2/9 Page 10
2406-16 24 630 16 17.4 40 3 210/275 175/180 Diagram A
2412-16 1250 210/275 175/180 Diagram B
2416-16 1600 275 200 Diagram B
2420-16 2000 275 200 Diagram B
2425-16 2500
4)
275 205 Diagram B
2406-20 630 20 21.8 50 3 210/275 195/200 Diagram D
2412-20 1250 210/275 195/200 Diagram D
2416-20 1600 275 200 Diagram D
2420-20 2000 275 200 Diagram D
2425-20 2500
4)
275 205 Diagram D
2406-25 630 25 27.3 63 3 210/275 175/180 Diagram E
2412-25 1250 210/275 175/180 Diagram E
2416-25 1600 210/275 195/200 Diagram E
2420-25 2000 210/275 195/200 Diagram E
2425-25 2500
4)
275 205 Diagram E
1)
For more details to cell-type allocations see section dimensional drawings.
2)
When the operating voltage is lower than the rated voltage, the same values apply as for rated voltage.
Higher values on request.
3)
With manual charging mechanism.
Weight is increased by around 5 kg if charging motor is fitted.
Weight is increased by around 2 kg if the motor-driven withdrawable assembly is used.
4)
> 2300 A with fan cooling and heat sink
14 VD4 Vacuum-circuit-breaker | Instruction manual 534/01
3.2 Dimensional drawings
Circuit-breaker on withdrawable part
Figure 3/5: Vacuum circuit-breaker on withdrawable part, type VD4.
- Use in UniGear Type ZS1, PowerCube and
Powerbloc or mounting frame
- 24 kV, ...1250 A, ...25 kA
232144
842
38
770
N
808
853
19
35
36
18 106
43
36
700
836
14
0
156
174
306
324
352
384
392
424
22
1)
383
458
303
S
167
32025
80°
119
310
98
23
53
20
444
71
325
370
300
4
72
198
R
22
Q
204
35
22
*)
**)
1a)
2)
0
-3
275 275
850,5
16
Stroke
8
-11mm
55
223
12
1b)
*)
Rail
**)
Front edge of bar
1)
Exists only for withdrawable parts of SACE (i.e. UniGear)
1a)
BT1 and BT2 (S8 / S9) in pannel
1b)
BT1 and BT2 (S8 / S9) in truck
2)
Remove the lifting lugs on both sides before commissioning
3)
a Weight with manual charging mechanism approx. 167 kg
b Weight is increased by around 5 kg if charged motor is fitted
c Weight is increased by about 2 kg if the motor-driven
withdrawable assembly is used
Panel type p N Q R S Weight
3)
ca. kg
Mounting frame (Powerbloc) 275 780 787 775 16 167
PowerCube, UniGear Type ZS1 275 775 790 770 19 167
Instruction manual 534/01 | VD4 Vacuum-circuit-breaker 15
Figure 3/6: Vacuum circuit-breaker on withdrawable part, type VD4.
- Use in UniGear Type ZS1 and PowerCube
- 24 kV, 1600 ...2500 A, ...25 kA
23244
636
38
770
N
608
653
19
636
35
43
10618
36 36
14570
0
156
174
306
324
352
384
392
424
22
1)
310
25 320
383
458
303
S
167
119
80°
98
23
53
71
444
20
325
R
198
72
370
4
22
Q
35
204
300
22
*)
**)
2)
0
-3
1a)
650,5
55
16
Stroke
8
-11 mm
210 210
223
12
1b)
*)
Rail
**)
Front edge of bar
1)
Exists only for withdrawable parts of SACE (i.e. UniGear)
1a)
BT1 and BT2 (S8 / S9) in pannel
1b)
BT1 and BT2 (S8 / S9) in truck
2)
Remove the lifting lugs on both sides before commissioning
3)
a Weight with manual charging mechanism approx. 162 kg
b Weight is increased by around 5 kg if charged motor is fitted
c Weight is increased by about 2 kg if the motor-driven
withdrawable assembly is used
Panel type p N Q R S Weight
3)
ca. kg
Mounting frame (Powerbloc) 210 780 787 775 16 162
PowerCube, UniGear Type ZS1 210 775 790 770 19 162
16 VD4 Vacuum-circuit-breaker | Instruction manual 534/01
Figure 3/5: Vacuum circuit-breaker type VD4, on withdrawable part.
- Use in UniGear-Typ ZS1, PowerCube and
Powerbloc or mounting frame
- 24 kV, 1600...2500 A, ...25 kA
232144
38
N
850,5
853
19
808
810
842
14
836
750
43
35
36
18 106
36
0
22
176
194
326
344
372
404
412
444
1)
310
383
458
303
32025
434
±2
S
23
71
132
53
80°
119
167
345
370
4
72
198
79
Q
R
204
300
22
*)
**)
1a)
2)
4)
0
-3
223
12
1b)
275 275
850,5
55
Stroke
8
-11 mm
16
*)
Rail
**)
Front edge of bar
1)
Exists only for withdrawable parts of SACE (i.e. UniGear)
1a)
BT1 and BT2 (S8 / S9) in pannel
1b)
BT1 and BT2 (S8 / S9) in truck
2)
Remove the lifting lugs on both sides before commissioning
3)
a Weight with manual charging mechanism approx. 205 kg
b Weight is increased by around 5 kg if charged motor is fitted
c Weight is increased by about 2 kg if the motor-driven
withdrawable assembly is used
4)
> 2300 A with fan cooling and heat sink
Panel type p N Q R S Weight
3)
ca. kg
Mounting frame (Powerbloc) 275 820 825 815 16 205
PowerCube, UniGear Type ZS1 275 817±1 834 814±2 19 205
Instruction manual 534/01 | VD4 Vacuum-circuit-breaker 17
3.3 Wiring diagrams for C.B. on withdrawable part
Note:
The wiring diagrams comprise the basic com ponents and
all further equipment options for the various VD4 types. The
scope of equipment possible within an individual type series is
listed in the relevant switchgear list, and the euquipment fitted
in each individual case can be found in the order documen-
tation.
Note:
Please see section 8.5 for explanation to the withdrawable
part
Figure 3/8: Wiring diagram for VD4 vacuum circuit-breaker
on manually movable withdrawable assembly.
- Type A of withdrawable part
- Maximum of equipment
- Control wiring plug 58-pole
- Use in panel system ZS, in powerbloc and
mounting frame
- Drawing no. GCE2032404
See page 43 for comparison of VDE/IEC designa
18 VD4 Vacuum-circuit-breaker | Instruction manual 534/01
Figure 3/9: Wiring diagram for VD4 vacuum circuit-breaker
on manually movable withdrawable assembly.
- Type B of withdrawable part
- Maximum of equipment
- Auxiliary switch -BB3 wired
- Control wiring plug 58-pole
- Use in panel system ZS, in powerbloc and
mounting frame
- Drawing no. GCE2132701P0101
See page 43 for comparison of VDE/IEC designa
Instruction manual 534/01 | VD4 Vacuum-circuit-breaker 19
≥
Figure 3/10: Wiring diagram for VD4 vacuum circuit-breaker
on motor-driven withdrawable assembly.
- Type B of withdrawable part
- Maximum of equipment
- Auxiliary switch -BB3 free used
- Control wiring plug 58-pole
- Use in panel system ZS, in powerbloc and
mounting frame
- Drawing no. GCE2132702P0101
See page 43 for comparison of VDE/IEC designa
20 VD4 Vacuum-circuit-breaker | Instruction manual 534/01
Figure 3/11: Wiring diagram for VD4 vacuum circuit-breaker
on manually movable withdrawable assembly.
- Type B of withdraw part or/and with auxiliary
switch -BT3 at withdrawable part
- Maximum of equipment
- Control wiring plug 64-pole
- Use in panel system ZS8.4
- Drawing no. GCE2009153
See page 43 for comparison of VDE/IEC designa
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