Siemens 5SM26478

The Siemens 5SM26478 is a FI-block designed for use with LS circuit breakers, specifically the 5SP4 Type A series. This four-pole unit supports rated currents of 80 to 100 amps and operates at 400 volts, providing sensitive residual current detection at 0.3 amps. It’s built to facilitate selective disconnection, ensuring reliable and precise protection within electrical systems. This product is readily available through BSP Automation, offering a dependable solution for improving system safety and performance.