0611CT1603

Selection of Electrical Auxiliaries

Electrical Auxiliaries

PowerPact B-frame circuit breakers (except 1 pole) have slots for electrical auxiliaries.

Indication Contact(s):

One Voltage Release:

  • 1 ON/OFF (OF) Auxiliary Switch

  • 1 trip alarm switch (SD).

  • 1 MN undervoltage release (MN)

  • or 1 shunt trip (MX).

2 Poles

3 Poles

4 Poles

2 Poles

3 Poles

4 Poles

Slot for Electrical Auxiliaries

Used With

Number of Poles

Quantity OF

Quantity SD

Quantity MN or MX

B-Frame

1

2

1

1

3

1

1

1

4

1

1

1

Electrical Accessory Connections

Electrical accessories are fitted with numbered spring terminal blocks for wires. The maximum wire size is 1.5 mm2 (16 AWG) for auxiliary switch (OF), trip alarm switch (SD), shunt trip (MX) or undervoltage release (MN).

Electrical accessory wire routing can be exited out any of the four corners of the unit mount circuit breaker, under the accessory cover even when using the long terminal shield.

Electrical accessory wire routing can be exited out either of the two load-end corners of the I-Line circuit breaker, under the accessory cover even when using the load-end long terminal shield.

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