Technical data

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Interlocking Rods and Cables

Two or three MASTERPACT circuit breakers can be mechanically interlocked by means of rods or

cables. This accessory is mountable on the right side of the circuit breaker. This adaptation can be

made on site without modifying the circuit breaker.

Mechanical Interlock Between Two or Three Stacked Circuit Breakers

This interlocking is obtained by the joining of:

n One adaptation block

n One or two adjustable and nonadjustable rods

Maximum distance between the two fixing surfaces of the devices: 35 in. (0.89 m)

Mechanical Interlocks Between Two Side-by-Side Circuit Breakers

This interlocking is obtained by the joining of:

n One adaptation block

n One set of adjustable cables with a maximum length of 78 in. (2 m)

Possible Mounting Arrangements Among Three Stacked Circuit Breakers

One use, power supplied by:

n Two transformers N1 and N2 which are connected in parallel

n Or one standby source G

06313067

06313070 06313069 06313068

N2N1

N1 N2 N3

One use, power supplied by one group of transformers N1, N2 or N3 or of generators, preventing

any connection in parallel.

Two uses, independently powered supply by two transformers N1 and N2, standby through a circuit

breaker or a connection tie switch, preventing the connection in parallel of the two current

transformers.

Accessories