Cable interlocking adaptation fixture - for Masterpact NT fixed

It's a fixture kit used for cable interlocking for MasterPact NT in drawout version For cable interlocking, the circuit breakers may be mounted one above the other or side-by-side. It may be mounted on the left or right-hand side of the chassis. The interlocked devices may be 3 poles or 4 poles, and have different ratings and sizes. This device inhibits opening of the cubicle door when the circuit breaker is in "connected" or "test" position.