SQUARE D Miniature Circuit Breaker: 60 A, 240V AC, Three Phase, 10kA at 240V AC
The SQUARE D QOB300 is a 60 A, three-phase miniature circuit breaker from the QOB Series, designed for bolt-on installation in Square D NQOD panelboards. It has an AC voltage rating of 240V AC and a maximum AIR…
SKU 3G-OTH-23313
Also listed as: QOB 300 · QOB-300
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 QOB300 is a 60 A, three-phase miniature circuit breaker from the QOB Series, designed for bolt-on installation in Square D NQOD panelboards. It has an AC voltage rating of 240V AC and a maximum AIR rating of 10kA at 240V AC. This 3-pole breaker provides overcurrent protection for industrial electrical distribution systems.
Frequently Asked Questions
What is the SQUARE D QOB300 miniature circuit breaker used for?
The SQUARE D QOB300 provides overcurrent protection in industrial electrical distribution systems. It is designed for bolt-on installation in Square D NQOD panelboards, protecting three-phase circuits rated up to 60 A and 240V AC.
What are the specifications of the SQUARE D QOB300?
The SQUARE D QOB300 is a 60 A, three-phase miniature circuit breaker with a 240V AC voltage rating and a maximum AIR rating of 10kA at 240V AC. It has 3 poles and is part of the QOB Series for bolt-on use in Square D NQOD panelboards.
Where to buy the SQUARE D QOB300 worldwide?
3G Electric supplies the SQUARE D QOB300 worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this Square D circuit breaker for your project.
How to install the SQUARE D QOB300 circuit breaker?
Install the SQUARE D QOB300 by bolting it into a compatible Square D NQOD panelboard. Ensure the panel is de-energized, then secure the breaker onto the bus bars. Follow standard electrical safety practices and local codes for overcurrent protection devices.
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.
