1SDA116494R1

ABB 1SDA116494R1 is a PLL fixed padlock locking accessory designed for ABB SACE Formula DSP P4 low-voltage moulded-case circuit breakers (MCCBs). The device is installed directly on the circuit breaker and provides a mechanical means of securing the breaker with padlocks. It permits the circuit breaker to be padlocked in both the open and closed positions, helping prevent unauthorized or unintended operation during electrical installation, maintenance, isolation, and safety procedures. The accessory is specifically identified by ABB as “PLL Fixed lock with padlocks in open/closed position” for P4 circuit breakers.