SQUARE D Miniature Circuit Breaker: 20 A, 120/240V AC, Single Phase, 10kA at 120/240V AC
The SQUARE D QOB Series Miniature Circuit Breaker (MPN QOB2201021) is a 20 A, single-phase, bolt-on circuit breaker rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. This 2-pole unit is designed…
SKU 3G-OTH-23461
Also listed as: QOB 2201021 · QOB-2201021
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 QOB Series Miniature Circuit Breaker (MPN QOB2201021) is a 20 A, single-phase, bolt-on circuit breaker rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. This 2-pole unit is designed for use with Square D NQOD panelboards.
Frequently Asked Questions
What is the SQUARE D QOB2201021 miniature circuit breaker used for?
The SQUARE D QOB2201021 is a 20 A, 2-pole bolt-on circuit breaker for 120/240V AC single-phase applications. It provides overcurrent protection in Square D NQOD panelboards, commonly used in commercial and industrial electrical distribution systems.
What are the specifications of the SQUARE D QOB2201021 circuit breaker?
The SQUARE D QOB2201021 is rated 20 A, 120/240V AC, single-phase, with a maximum AIR rating of 10kA at 120/240V AC. It has 2 poles, a bolt-on mounting style, and is designed for use with Square D NQOD panelboards.
Where to buy the SQUARE D QOB2201021 circuit breaker worldwide?
3G Electric supplies the SQUARE D QOB2201021 miniature circuit breaker to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time.
How to install the SQUARE D QOB2201021 bolt-on circuit breaker?
Install the SQUARE D QOB2201021 by ensuring the panelboard is de-energized. Align the breaker's bolt-on tabs with the bus bar in a Square D NQOD panelboard, tighten the mounting screw to the specified torque, and connect the load wires securely. Always follow local electrical codes.
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.
