Eaton W-VACiMB Owner's manual

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W-VACiMB FIXED SECONDARY

TERMINAL BLOCK OEM

CONVERSION TYPE #1

PUSH ON TYPE TERMINAL BLOCK

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PLEASE READ

 These instructions are provided so that an OEM can officially convert a

W-VACiMB Mining Breaker to an approved secondary variation. This

variation is required for some OEM’s for them to be in compliance with

end customer needs. The OEM is authorized to do the conversion per

this process and to still have the proper warranty protection.

 This procedure is intended to show the necessary steps to remove the

standard secondary connector and replace it with a Push-On type

terminal block that contains the following connections (Refer to Figure

29):

o Spring Charging Circuit

 Uses secondary connector pins 25 & 35.

o (1) Shunt Open Circuit (Trip Coil)

 Uses secondary connector pins 31& 30.

o (1) Shunt Close Circuit

 Uses secondary connector pins 4 & 14.

o Control Under Voltage Release (UVR) Circuit

 Uses secondary connector pins 2 & 44.

 This requires the UVR option to be installed.

o (2) Normally Open Relays

 Relays are open when breaker is open.

 1

st

Relay uses secondary connector pins 7 & 17.

 2

nd

Relay uses secondary connector pins 9 & 19.

o (1) Normally Closed Relay

 Relay is closed when breaker is open.

 Uses secondary connector pins 23 & 33.

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 Due to jumping connections in this procedure, the three relays will

have the same voltage/supply as the charge motor. Similarly, the UVR,

Close Coil, Charging Motor, and Trip Coil will share a common return

(See Appendix A). You may choose to not install the jumpers for more

circuit flexibility.

 Use appendices A through F for additional information.

TOOLS REQUIRED

 Narrow & Thin Flathead Screwdriver

o To be used on DIN-Rail Mountable Terminal Blocks

 Male Pin Remover

 8 mm Wrench

 10 mm Wrench

 Wire Strippers

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Parts List

Quantity

Item

Supplier

Part

Number

Cost

1

DIN Rail

www.monti-inc.com

68B7301

$3.90 per 50

4

Red Terminal Block

www.ab.com

1492-J4-RE

$1.01 Each

4

White Terminal Block

www.ab.com

1492-J4-W

$0.93 Each

6

Gray Terminal Block

www.ab.com

1492-J4

$0.96 Each

2

Four-Pole Center Jumper

www.ab.com

1492-CJJ6-4

$2.25 Each

4

Gray Terminal Divider

www.ab.com

1492-EBJ3

$0.66 per 50

2

End Cap

www.ab.com

1492-EAJ35

$3.49 Each

3 Feet

Translucent Wire Sleeving

www.McMaster.com

7432K741

$8.97 per foot

5

Zip Tie

www.McMaster.com

7130K19

$3.78 per 100

5

Zip Tie Holder

www.McMaster.com

7566K62

$11.32 per 50

8 Inches

3M Fire & Arc Protect Tape

Roll

www.McMaster.com

77255A4

$28.28 per 20 feet

1

3M Electrical Tape Roll

www.McMaster.com

76455A21

$2.03 per 20 feet

Monti Contact Info:

Nick LaVigne nickl@monti-inc.com 864-323-0444

104 Airport Industrial Road, Greenwood, SC 29649

Red Terminal

Block

White

Terminal Block

Grey Terminal

Block

Four-Pole

Center Jumper

DIN Rail

See Appendix C

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Gray Terminal

Divider

End Cap

Translucent

Wire Sleeving

Zip Tie

Zip Tie Holder

Electrical Tape

Arc Protect

Tape

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PROCEDURE

Step 1:

Locate the secondary control power wiring terminal box on the

breaker.

Figure 1: Breaker side secondary Terminal Box.

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Step 2:

Insert flat head screwdriver into the two clips to release the front

cover.

Figure 2: Schematic of the how to remove the front cover on the

secondary.

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Step 3:

Using the male pin remover, take out each pin. This can be

accomplished by pressing the male pin remover into a pin slot and

pushing hard to unseat the pin. Once the pin has been unseated,

push from the opposite side of the secondary connector to pull the

pin out of its slot. Repeat for ALL pins (more figures on next page).

Figure 3a: Line up the male pin remover with a pin.

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Figure 3b: Press the male pin remover in hard to unseat the pin.

Figure 3c: Once unseated by the male pin remover, push on the pin

from the opposite side to get the pin out of the slot. Repeat for all

pins.

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Step 4:

Once all pins have been taken out of their slots, remove the

secondary connector and rubber tubing. Discard if desired.

Figure 4: Remove the gray rubber tubing and secondary connector,

they will not be used.

Rubber Tubing

Secondary Connector

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Step 5:

Separate the (14) wires needed for the secondary terminal block from

the rest of the wires and set them aside. See appendix A for a listing

of the necessary wires.

Figure 5: Separating the (14) needed wires.

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Step 6:

Pull the unnecessary wires through the hole in the top of the

breaker. These wires will be secured inside the breaker in the

proceeding steps.

Figure 6: Pull out the unnecessary wires.

14 Used Wires

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Step 7:

Wrap about (22) inches of transparent protective covering around

these unnecessary wires. These wires that are unused will be

secured inside of the breaker.

Figure 7: Transparent protective wiring cover.

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Step 8:

If too long, cut the transparent protective wiring cover two inches

from the end of these unnecessary wires.

Figure 8: Removal of excessive wiring cover.

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Step 9:

Cut an 8 inch section of the fire retardant arc protective tape.

Figure 9: Cutting an 8 inch section of arc protective tape.

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Step 10:

Wrap the arc protective tape around the exposed portion of the

unused wires. Then, secure this protective tape with the electrical

tape.

Figure 10: Wrapping the unused wires in electrical tape.

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Step 11:

Wrap the unused wires completely with electrical tape.

Figure 11: Unused wires completely covered.

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Step 12:

We will now secure the unused wires inside the breaker. Place (2)

cable tie holders on the inside wall of the breaker (spring side).

Position them about three inches from each other and a half inch

from the edge.

Figure 12: Placement of cable tie holders.

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Step 13:

Insert cable ties through the inslots of the tie holders to secure the

unused wires.

Figure 13: Securing of the unused wires.

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Step 14:

Place another cable tie holder as shown closer to the back of the

breaker to hold the end of the unused wire bundle. Zip tie the bundle

to the cable tie holder.

Figure 14: Securing of the wires to avoid interference with spring.

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