Auxiliary Switches AX General PurposeAuxiliary Switches AX Heavy DutyAlarm Switches AL General PurposeShunt Trips (SHT)Undervoltage Trips (UVT)Undervoltage Trips (UVT) with Time DelayRear Connections for S1250 MCCBsFixed Parts of Plug-in S1250 Frame MCCBsPlug-in conversions for S1250 Frame MCCBsControl Wiring Connectors for S1250 Plug-in MCCBMotor Operation (MC)External Operating Handles (Breaker Mounted Type) (HB)External Operating Handles (Panel Mounted Type) (S Type)Slide Type Mechanical Interlocks (MS)Rear "See-Saw" Type Mechanical Interlocks for MCCBs with Extension BarsRear Wire Type Mechanical Interlocks for MCCBs with Extension BarsHandle Locks (HL) and Extension (HA)Terminal Covers for S1250 MCCBs with Extension BarsInterpole Barriers (BA)Lead Terminal BlockOCR CheckerExternal Neutral CTs for 3P MCCBs with Ground Fault Protection