SQUARE D Thermal Unit: 20 Trip Class, B5.50
SQUARE Electrical.
SKU 3G-OTH-44108
Also listed as: B550 · B5 50 · B5-50
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
SQUARE Electrical.
Frequently Asked Questions
What is the SQUARE D B5.50 thermal unit used for?
The SQUARE D B5.50 thermal unit is used in motor starters and controllers to provide overload protection. It monitors current and heat to prevent motor damage from sustained overcurrent conditions, commonly applied in industrial machinery, pumps, and conveyors.
What are the specifications of the SQUARE D B5.50 thermal unit?
The SQUARE D B5.50 thermal unit has a trip class of 20 and is designed for use with SQUARE D motor starters. The manufacturer part number is B5.50. It provides thermal overload protection by responding to current-induced heat, ensuring reliable motor operation.
Where to buy the SQUARE D B5.50 thermal unit worldwide?
You can source the SQUARE D B5.50 thermal unit through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring compliance and timely arrival for your facility.
How to select the correct SQUARE D thermal unit for a motor?
To select the correct SQUARE D thermal unit, match the motor full-load current and trip class to the unit's rating. The B5.50 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.
Used in
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3G Electric supplies SQUARE electrical. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
