SQUARE D Thermal Unit: 20 Trip Class (MPN B3.00)
SQUARE Electrical.
SKU 3G-OTH-40625
Also listed as: B300 · B3 00 · B3-00
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 a SQUARE D Thermal Unit B3.00 used for?
The SQUARE D Thermal Unit B3.00 is a 20 Trip Class overload relay heater element used in motor starters to protect motors from sustained overcurrent. It is commonly applied in industrial motor control panels, conveyors, pumps, and HVAC equipment where precise thermal protection is required.
What are the specifications of the SQUARE D Thermal Unit B3.00?
The SQUARE D Thermal Unit B3.00 has manufacturer part number B3.00 and is rated for 20 Trip Class operation. It is designed for use with SQUARE D motor starters and overload relays to provide thermal protection. Always verify compatibility with your specific starter model before installation.
Where to buy SQUARE D Thermal Unit B3.00 worldwide?
3G Electric supplies the SQUARE D Thermal Unit B3.00 to customers worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this part.
How to install a SQUARE D Thermal Unit B3.00?
To install the SQUARE D Thermal Unit B3.00, first disconnect all power to the motor starter. Remove the existing thermal unit by pressing the release tab and sliding it out. Insert the new B3.00 unit into the correct slot until it clicks securely. Reconnect power and verify trip settings per motor nameplate.
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.
