1SDA082811R1

ABB Extended Rotary Handle Operating Mechanism (Type: RHE XT2-XT4 F/P Standard Returned) designed as a safety and control accessory for industrial molded case circuit breakers MCCB. The ABB 1SDA082811R1 is a rotary handle operating mechanism with standard adjustable depth. It features a 250mm shaft length (often listed with an overall adjustable depth range up to 500mm). The mechanism comes equipped with a built-in padlock device and door interlock functionality. This ensures that the electrical panel door cannot be opened while the circuit breaker is turned on, preventing hazardous arc flash incidents in industrial environments. It is engineered specifically for Fixed and Plug-in (F/P) XT2 and XT4 circuit breakers.