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 — 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
Need installation or engineering help?
Ask a question
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.
