SQUARE D QOB340GFI Miniature Circuit Breaker
The SQUARE D QOB Series Miniature Circuit Breaker (MPN QOB340GFI) is a 40 A, three-phase, bolt-on breaker rated for 120/208V AC with a maximum AIR rating of 10kA at 208/120V AC. It is designed for use with QO Load…
SKU 3G-OTH-23073
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
Compliance & shipping
- Hazardous material
- Not classified as hazardous
- California Prop 65 warning
- No warning recorded
- Licence required
- No licence required
- Safety Data Sheet
- Not available
- Special shipping
- Ships under standard freight
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Product Description
The SQUARE D QOB Series Miniature Circuit Breaker (MPN QOB340GFI) is a 40 A, three-phase, bolt-on breaker rated for 120/208V AC with a maximum AIR rating of 10kA at 208/120V AC. It is designed for use with QO Load Centers and NQ Panelboards.
Frequently Asked Questions
What is the SQUARE D QOB340GFI miniature circuit breaker used for?
The SQUARE D QOB340GFI is a 40 A, three-phase, bolt-on miniature circuit breaker rated for 120/208V AC. It provides overcurrent and ground-fault protection in QO Load Centers and NQ Panelboards, commonly used in commercial and industrial electrical distribution systems.
What are the specifications of the SQUARE D QOB340GFI?
The SQUARE D QOB340GFI is a 40 A, three-phase, bolt-on breaker with an AC voltage rating of 120/208V AC and a maximum AIR rating of 10kA at 208/120V AC. It is designed for use with QO Load Centers and NQ Panelboards. The manufacturer part number is QOB340GFI.
Where to buy the SQUARE D QOB340GFI worldwide?
3G Electric supplies the SQUARE D QOB340GFI miniature circuit breaker worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this SQUARE D QOB340GFI breaker.
How to install the SQUARE D QOB340GFI breaker?
Install the SQUARE D QOB340GFI by bolting it into a compatible QO Load Center or NQ Panelboard. Ensure the panel is de-energized, then torque the bolt-on connections per the manufacturer's 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.
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Compatible alternatives & equivalents
- SQUARE D Bolt-on miniature circuit breaker from the QOB Series, rated 30 A at 120/240V AC, single phase, with a maximum interrupting rating of 10kA at 120/240V AC. Provides overcurrent and ground-fault protection for QO Load Centers and NQ Panelboards in residential and light commercial electrical distribution systems
- SQUARE D Three-phase bolt-on miniature circuit breaker rated 60 A at 120/240V AC. Provides overcurrent protection with a maximum interrupting rating of 10 kA at 120/240V AC. Suitable for use in Square D NQOD panelboards for commercial and industrial electrical distribution systems
