Schneider Electric A9R12440 iID 4P 40A Differential Switch

The Schneider Electric A9R12440 iID differential switch provides reliable AC Class protection for residential and commercial electrical installations. This 4-pole switch operates at 50/60Hz mains frequency and delivers 40A capacity with a 100mA trip sensitivity, ensuring rapid fault detection and safety. Designed as the perfect complement to iC60 circuit breakers, the iID switch features robust construction measuring 73.5 mm deep, 72 mm wide, and 91 mm high, fitting standard DIN rail mounting. Its Si type design offers exceptional immunity to electrical disturbances whilst maintaining excellent protection against dust, chemicals, and moisture in demanding environments. The white finish ensures visibility in any installation, and the advanced engineering delivers total safety with enhanced service continuity for your electrical system.