1SDA066617R1

ABB 1SDA066617R1 is an RHL Ronis key-locking device for ABB SACE Tmax XT1, XT2, XT3 and XT4 MCCBs. It is designed to lock the rotary-handle operating mechanism and front panel in the open position using different/separate Ronis keys, helping prevent accidental or unauthorized operation of the circuit breaker. ABB identifies the product as “RHL XT1..XT4 KEY LOCK RONIS SEVERAL.”