The secondary plug socket is mainly used for secondary control. The uploading of the position signal of the circuit breaker (close position, open position, test position) and the connection device that automatically (upper computer) control the opening and closing of the circuit breaker. When pulling out the handcart, be sure to unplug the secondary plug to avoid damage.

The contact pair for this control socket is the pin, socket type structure, the number of contact pair are:

• 24 pairs

• 32 pairs

• 46 pairs

• 64 pair
  or can choose the number of contact pair freely.

Wiring Method: Open plug locking device, plug and socket separate, put the wire into wiring hole of pins or jacks with a special clamp clamped firmly, put the pin and jack into the corresponding plastic fixed hole, when heard popping sound means that is in place. Plug wire harness from the leads (trumpet) accompanied by special plastic hose M36 × 8 (lined with plastic shoe metal spring). The other side fixed to the device with special part. Socket harness leads from the bottom fixed to the equipment.