SQUARE D Thermal Unit: 20 Trip Class, B50.0
SQUARE Electrical.
SKU 3G-OTH-40680
Also listed as: B500 · B50 0 · B50-0
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
Need installation or engineering help?
Ask a question
Product Description
SQUARE Electrical.
Frequently Asked Questions
What is a Square D thermal unit used for?
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.
What are the specifications of the Square D B50.0 thermal unit?
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.
Where to buy Square D thermal units worldwide?
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.
How to select the correct Square D thermal unit for a motor?
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.
Used in
Common applications for SQUARESQUARE Products
3G Electric supplies SQUARE electrical. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
