SQUARE D Miniature Circuit Breaker: 100 A, 120/240V AC, Three Phase, 10kA at 120/240V AC
The SQUARE D QOB Series Miniature Circuit Breaker (MPN QOB31001021) is a 100 A, three-phase, bolt-on circuit breaker rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. It is designed for use with…
SKU 3G-OTH-22556
Also listed as: QOB 31001021 · QOB-31001021
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
The SQUARE D QOB Series Miniature Circuit Breaker (MPN QOB31001021) is a 100 A, three-phase, bolt-on circuit breaker rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. It is designed for use with Square D NQOD Panelboards.
Frequently Asked Questions
What is the SQUARE D QOB31001021 miniature circuit breaker used for?
The SQUARE D QOB31001021 is a 100 A, three-phase, bolt-on miniature circuit breaker rated for 120/240V AC. It is designed for use with Square D NQOD panelboards to protect electrical circuits from overloads and short circuits in commercial and industrial applications.
What are the specifications of the SQUARE D QOB31001021?
The SQUARE D QOB31001021 is a 100 A, three-phase, 3-pole miniature circuit breaker with an AC voltage rating of 120/240V AC and a maximum AIR rating of 10kA at 120/240V AC. It is a bolt-on QOB Series breaker for use with Square D NQOD panelboards.
Where to buy the SQUARE D QOB31001021 worldwide?
You can source the SQUARE D QOB31001021 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 on this Square D QOB Series breaker.
How to install the SQUARE D QOB31001021 circuit breaker?
To install the SQUARE D QOB31001021, ensure the panelboard is de-energized. Align the bolt-on breaker with the mounting tabs on the Square D NQOD panelboard bus bar, then tighten the bolt securely. Follow all local electrical codes and use appropriate personal protective equipment.
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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.
