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Frequently Asked Questions
What is a GE CR123F487B thermal unit used for?
The GE CR123F487B thermal unit is an overload relay heater element used in motor starters and contactors to protect motors from overcurrent damage. It is commonly applied in industrial motor control panels, HVAC systems, and conveyor drives where reliable thermal protection is required.
What are the specifications of the GE CR123F487B thermal unit?
The GE CR123F487B thermal unit has a 20 trip class rating and is designed for use with GE motor starters. The manufacturer part number is CR123F487B. It provides precise thermal overload protection by heating a bimetal strip that trips the contactor when current exceeds the rated threshold.
Where to buy a GE CR123F487B thermal unit worldwide?
3G Electric supplies the GE CR123F487B thermal unit worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this genuine GE overload relay heater element.
How to select the correct GE thermal unit for a motor starter?
To select the correct GE thermal unit like the CR123F487B, match the trip class (20) to your motor's starting characteristics and verify the heater element's current range matches the motor full-load amps. Always consult the motor starter manufacturer's selection table to ensure proper overload protection and avoid nuisance tripping.
Used in
Common applications for GEGE Products
3G Electric supplies GE electrical. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
