1SDA105066R1

ABB 1SDA105066R1 is a KLC Ronis key-locking device designed for ABB SACE Tmax XT5 and XT6 molded-case circuit breakers (MCCBs). It is used to mechanically lock the circuit breaker in the open position, helping prevent unauthorized or accidental closing during electrical isolation and maintenance operations.The device uses a Ronis 1228 key system with several/different keys, providing controlled access to the breaker. ABB specifies the product as “KEY LOCK RONIS SEVERAL 1228 IN OPEN FOR CIRCUIT-BREAKER XT5-XT6.”