SQUARE D Miniature Circuit Breaker: 10 A, 120/240V AC, Three Phase, 10kA at 120/240V AC
The SQUARE D QOB310 is a three-pole, bolt-on miniature circuit breaker from the QOB Series, rated for 10 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-23444
Also listed as: QOB 310 · QOB-310
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.
Need installation or engineering help?
Ask a question
Product Description
The SQUARE D QOB310 is a three-pole, bolt-on miniature circuit breaker from the QOB Series, rated for 10 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 a compact, bolt-on form factor.
Frequently Asked Questions
What is the SQUARE D QOB310 miniature circuit breaker used for?
The SQUARE D QOB310 is a three-pole, bolt-on miniature circuit breaker used for overcurrent protection in three-phase electrical systems. It is designed for use with Square D NQOD panelboards in commercial and industrial applications, providing reliable protection at 10 A and 120/240V AC.
What are the specifications of the SQUARE D QOB310 circuit breaker?
The SQUARE D QOB310 is a three-pole, bolt-on miniature circuit breaker rated for 10 A at 120/240V AC, three-phase, with a maximum AIR rating of 10kA at 120/240V AC. It is part of the QOB Series and is designed for use with Square D NQOD panelboards.
Where to buy the SQUARE D QOB310 circuit breaker worldwide?
3G Electric supplies the SQUARE D QOB310 miniature circuit breaker worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this QOB Series breaker for your project.
How to install the SQUARE D QOB310 circuit breaker?
To install the SQUARE D QOB310, ensure the panelboard is de-energized. Bolt the breaker securely into the Square D NQOD panelboard bus bar, connect the phase conductors to the line terminals, and torque connections to manufacturer specifications. Always follow local electrical codes and use appropriate personal protective equipment.
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.
