ABB 1SAX121001R1104 Overload Relay

ABB EF19-6.3 Electronic Overload Relay, model 1SAX121001R1104, is a three‑pole protection device designed to pair with ABB EF19 family contactors for protecting 3‑phase motors against overload and phase faults. It provides current‑based protection with a user‑adjustable setting range of 1.9 to 6.3 A and a rated operating voltage up to 690 V, enabling precise tuning to motor nameplate current and startup characteristics. The unit features an adjustable trip class and screw terminals for secure, field‑friendly wiring, with a compact package that weighs about 0.158 kg per unit. As part of ABB's EF19 electronic overload relay lineup, this relay integrates into motor control circuits to deliver reliable protection while maintaining compatibility with standard EF19 mounting footprints.