Abb CR123C125B Overload Heater Element

Product Description

The ABB CR123C125B is an overload heater element designed for use with thermal overload relays in motor control applications. Heater elements like this one work by generating a calibrated amount of heat proportional to motor current draw, which then activates the bimetallic strip inside the relay to trip the overload and protect the motor from sustained overcurrent conditions. This component is installed by licensed electricians and industrial maintenance technicians during motor starter assembly or field replacement service.

Overload heater elements are used in residential, commercial, and light industrial motor control centers, panel boards, and across-the-line starter assemblies. The CR123C125B is suited for applications where a thermal overload relay requires a correctly sized heater element matched to the full-load amperage of the connected motor. Proper heater selection is critical to accurate trip response and motor protection.

Key Features

• Thermal overload heater element designed for use with compatible ABB thermal overload relay assemblies
• Calibrated heat output matched to a specific motor full-load amperage range for accurate overcurrent protection
• Replacement-grade component suitable for field service on existing motor starter installations
• Compact form factor for installation within enclosed motor control enclosures

Compatibility

Designed as an OEM-style replacement heater element for use with compatible ABB thermal overload relays in motor control applications. Consult ABB heater selection tables to verify correct amperage range match before installation.

Installation Notes

Heater element installation should be performed by a qualified electrician in accordance with NEC guidelines. Always de-energize and lock out the motor control circuit before removing or replacing heater elements. Verify the heater element amperage rating matches the full-load amperage of the motor per the relay manufacturer's selection chart before installing. Do not energize the circuit until the enclosure is properly closed and all connections are confirmed secure.

Technical Specifications

• UPC: 78316630875

Standard Information

• Brand: ABB
• Manufacturer Part Number: CR123C125B