SQUARE D Thermal Unit: 20 Trip Class, B6.90
SQUARE Electrical.
SKU 3G-OTH-40197
Also listed as: B690 · B6 90 · B6-90
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 B6.90 used for?
The Square D thermal unit B6.90 is a trip-class 20 overload relay heater element used in motor starters to protect motors from sustained overcurrent. It is commonly applied in industrial control panels, conveyors, pumps, and HVAC equipment across manufacturing and process industries.
What are the specifications of the Square D thermal unit B6.90?
The Square D thermal unit B6.90 is a trip-class 20 overload relay heater element with manufacturer part number B6.90. It is designed for use with Square D motor starters to provide thermal overload protection. For exact ampere ratings and application matching, consult the Square D selection chart.
Where to buy Square D thermal unit B6.90 worldwide?
3G Electric supplies the Square D thermal unit B6.90 to customers worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this overload relay heater element.
How to select the correct Square D thermal unit for a motor starter?
To select the correct Square D thermal unit, match the motor full-load current (FLC) to the heater element's ampere range from the Square D selection chart. The B6.90 is a trip-class 20 element; verify your motor's service factor and ambient temperature. Always consult the starter manufacturer's documentation for proper sizing.
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.
