Siemens S01ED60 125A 120V 1P Disconnect Switch

Siemens S01ED60 is a 120 VAC shunt-trip accessory for 125 A ED-frame molded-case circuit breakers, enabling remote, instantaneous tripping in safety-critical applications such as emergency shutdowns and interlocked power-control schemes. Designed to augment Siemens' Sentron ED-series protection, the S01ED60 attaches to an ED125A-frame MCCB to accept a 120 V control signal and initiate a fast disconnection of the circuit when commanded. The ED125A compatibility is confirmed across distributor catalogs and product sheets, with the S01ED60 identified as the 120 V variant within the ED-frame shunt-trip family; other coil options exist to cover different control-voltage requirements (for example 24–480 VAC and 12–250 VDC, depending on the model). In practice, this accessory is used in safety circuits, emergency-stop configurations, and PLC/relay-controlled remote-trip schemes where a reliable isolation of power on fault events is required.