SQUARE D QOB320 Three-Pole Bolt-On Miniature Circuit Breaker
The SQUARE D QOB320 is a three-pole, bolt-on miniature circuit breaker from the QOB Series, rated for 20 A at 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. Designed for use with Square D NQOD…
SKU 3G-OTH-22800
Also listed as: QOB 320 · QOB-320
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
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Product Description
The SQUARE D QOB320 is a three-pole, bolt-on miniature circuit breaker from the QOB Series, rated for 20 A at 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. Designed for use with Square D NQOD panelboards, this three-phase breaker provides overcurrent protection in industrial electrical distribution systems.
Frequently Asked Questions
What is the SQUARE D QOB320 miniature circuit breaker used for?
The SQUARE D QOB320 provides overcurrent protection in three-phase industrial electrical distribution systems. It is designed for use with Square D NQOD panelboards, safeguarding circuits rated 20 A at 120/240V AC. This bolt-on breaker is common in manufacturing plants, commercial buildings, and infrastructure projects requiring reliable branch-circuit protection.
What are the specifications of the SQUARE D QOB320 circuit breaker?
The SQUARE D QOB320 is a three-pole, bolt-on miniature circuit breaker from the QOB Series. It is rated 20 A, 120/240V AC, with a maximum AIR rating of 10kA at 120/240V AC. It is designed for use with Square D NQOD panelboards and provides overcurrent protection in three-phase systems.
Where to buy the SQUARE D QOB320 circuit breaker worldwide?
3G Electric supplies the SQUARE D QOB320 worldwide. As a global industrial equipment distributor established in 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time. We source genuine SQUARE D components for industrial electrical systems.
How to install the SQUARE D QOB320 circuit breaker?
To install the SQUARE D QOB320, ensure the panelboard is de-energized. Bolt the breaker securely onto the bus bars of a compatible Square D NQOD panelboard. Connect the line and load conductors to the appropriate terminals, torquing to manufacturer specifications. Always follow local electrical codes and use qualified personnel.
Used in
Common applications for SQUARE DSQUARE D Products
3G Electric supplies SQUARE D qob series, bolt-on square d miniature circuit breakers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
