Siemens 3G-OTH-37256 — Technical Specifications

The SIEMENS IEC Control Relay (MPN 3RH21221BF40) is a combination DIN-rail and surface-mounted relay with a 2NO/2NC contact configuration rated at 10 A and a 110V DC coil voltage. 3G Electric interprets this demand and delivers the genuine Siemens part, backed by specialist expertise across 14 industrial departments — including electrical controls — to ensure you get the right solution, not just a catalog listing.