SQUARE D QO340GFI Miniature Circuit Breaker, 40 A, 3-Pole, 120V AC, 10kA
The SQUARE D QO340GFI is a 40 A, three-phase, 3-pole miniature circuit breaker from the QO Series, designed for plug-in installation in QO Load Centers and NQ Panelboards. It has an AC voltage rating of 120V AC and a…
SKU 3G-OTH-21945
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.
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 QO340GFI is a 40 A, three-phase, 3-pole miniature circuit breaker from the QO Series, designed for plug-in installation in QO Load Centers and NQ Panelboards. It has an AC voltage rating of 120V AC and a maximum AIR rating of 10kA at 120V AC.
Frequently Asked Questions
What is the SQUARE D QO340GFI miniature circuit breaker used for?
The SQUARE D QO340GFI is a 40 A, three-phase, 3-pole miniature circuit breaker used for overcurrent and ground-fault protection in QO Load Centers and NQ Panelboards. It is commonly applied in commercial and industrial electrical distribution systems where reliable branch circuit protection is required at 120V AC.
What are the specifications of the SQUARE D QO340GFI?
The SQUARE D QO340GFI is a 40 A, three-phase, 3-pole miniature circuit breaker with an AC voltage rating of 120V AC and a maximum AIR rating of 10kA at 120V AC. It is designed for plug-in installation in QO Load Centers and NQ Panelboards. The manufacturer part number is QO340GFI.
Where to buy the SQUARE D QO340GFI worldwide?
3G Electric supplies the SQUARE D QO340GFI miniature circuit breaker worldwide. As a global industrial equipment distributor established in 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this QO Series breaker.
How to install the SQUARE D QO340GFI circuit breaker?
To install the SQUARE D QO340GFI, ensure the panel is de-energized, then plug the breaker firmly into the bus bar of a compatible QO Load Center or NQ Panelboard. Verify the 40 A rating matches the circuit requirements. Always follow local electrical codes and consult a qualified electrician for safe installation.
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Common applications for SQUARE DSQUARE D Products
3G Electric supplies SQUARE D qo series, plug-in square d miniature circuit breakers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
