SQUARE B50.0 Thermal Unit, 20 Trip Class

A Square D thermal unit, like the B50.0, protects motors from overload by monitoring current and heat. It is used in industrial motor starters and controllers to prevent damage from sustained overcurrent, ensuring equipment reliability across machining, HVAC, and material handling applications.

The Square D B50.0 thermal unit has a trip class of 20 and is rated for B50.0 heater element selection. It is designed for use with Square D motor starters and provides overload protection based on motor full-load current. Always verify compatibility with your starter model.

3G Electric supplies Square D thermal units like the B50.0 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine Square D parts and support your procurement needs across 14 departments.

To select the correct Square D thermal unit, match the motor's full-load current (FLC) to the heater element's ampere range. The B50.0 is a trip class 20 unit, suitable for standard motor starting. Consult the motor nameplate and Square D selection tables to ensure proper overload protection.