SQUARE D Thermal Unit: 20 Trip Class, B3.30
SQUARE Electrical.
SKU 3G-OTH-39173
Also listed as: B330 · B3 30 · B3-30
Local availability & support — the Philippines
- Delivery
- 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
- Payment
- Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
- Ships to
- Manila, Quezon City, Cebu, Davao, Batangas
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Product Description
SQUARE Electrical.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the SQUARE D Thermal Unit B3.30 used for?
The SQUARE D Thermal Unit B3.30 is an overload relay heater element designed to protect motors from sustained overcurrent. It is used in industrial motor starters and controllers to trip the circuit when current exceeds the rated threshold, preventing motor damage. Common applications include pumps, conveyors, and compressors in manufacturing and process industries.
What are the specifications of the SQUARE D Thermal Unit B3.30?
The SQUARE D Thermal Unit B3.30 has a manufacturer part number of B3.30 and is rated for Trip Class 20. It is a thermal overload relay heater element used with SQUARE D motor starters. The B3.30 designation indicates its specific current range and thermal characteristics for precise motor protection in industrial electrical systems.
Where to buy SQUARE D Thermal Unit B3.30 worldwide?
You can source the SQUARE D Thermal Unit B3.30 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide competitive pricing and reliable supply for this and other SQUARE D components.
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 trip curve. The B3.30 is a Trip Class 20 unit, suitable for standard motor starting. Consult the motor nameplate and SQUARE D selection tables to ensure the heater's current range covers the motor's FLC without nuisance tripping. Always verify compatibility with your starter model.
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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.
