Siemens 3RB31234VB0 10-40A Solid State Overload Relay

Siemens 3RB31234VB0 Overload Relay

The Siemens 3RB31234VB0 is a solid-state overload relay designed to protect 3-phase motors from overload, phase failure, and phase imbalance. It is suitable for motors with currents ranging from 10 to 40 amps and can be mounted directly onto Siemens S0 contactors. This relay offers both manual and automatic reset options and includes one normally open (NO) and one normally closed (NC) auxiliary contact.

Key Specifications:

• Current Range: 10 – 40 A

• Auxiliary Contacts: 1 NO + 1 NC

• Mounting: Direct mounting on S0 contactors

• Enclosure Rating: IP20

• Operating Temperature: –25°C to +60°C

• Reset Type: Manual and automatic