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Siemens 3RB1246-1PB20 — Overload Relays

Siemens 3RB1246-1PB20 Overload Relay, 1.25-6.3 A, Discontinu

MPN3RB1246-1PB20

Siemens 3RB1246-1PB20, discontinued overload relay, 1.25-6.3 A, size S00/S0, Class 5-30, DC 24 V, ground fault detection, screw terminals.

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Product details

Deployment context

The 3RB1246-1PB20: The S00/S0 frame size fits standard motor-starter assemblies on DIN rail or panel-mount in control cabinets. The DC 24 V control circuit and ground fault signaling output integrate directly with PLC digital inputs or safety relays. The Class 5-30 adjustment range covers most fixed-speed induction motor applications from fractional-horsepower up to roughly 3 kW at 400 V.

MPN
3RB1246-1PB20