Internal Accessories AL, AX, SHT, UVT

These accessories are installed inside the breaker. AX indicates electrically the status of the breaker. AL indicates electrically the status of the breaker trip. SHT makes the breaker trip electrically by remote operation. UVT releases the breaker when the control voltage is dropped.

External Accessories Handle, TC, HL, MD

These accessories are mounted outside the breaker. An accessory operates electrically the breaker handle, or the external handle on the panel can provide the breaker operation.