Siemens 3RB31234RB0 0.1-0.4A Solid State Overload Relay

Siemens 3RB3123-4RB0 Overload Relay

The Siemens 3RB31234RB0 is a solid-state overload relay designed to protect motors from overload, phase failure, and phase imbalance. It works with motors in the 0.1 to 0.4 amp range and can be mounted directly to a Siemens S0 contactor.

Key Specs:

• Current Range: 0.10 – 0.40 A

• Trip Class: 5, 10, 20, 30

• Aux Contacts: 1 NO + 1 NC

• Reset Type: Manual or automatic

• Mounting: Direct on contactor (S0 size)

• Terminal Type: Screw terminals

• Protection: IP20

• Operating Temp: –25°C to +60°C