SQUARE D Miniature Circuit Breaker: 40 A, 120/240V AC, Three Phase, 22kA at 120/240V AC
The SQUARE D QO340VH is a three-pole, 40 A miniature circuit breaker from the QO Series, designed for plug-in installation in QO Load Centers and NQ Panelboards. It is rated for 120/240V AC with a maximum AIR rating…
SKU 3G-OTH-21931
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
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Product Description
The SQUARE D QO340VH is a three-pole, 40 A miniature circuit breaker from the QO Series, designed for plug-in installation in QO Load Centers and NQ Panelboards. It is rated for 120/240V AC with a maximum AIR rating of 22kA at 120/240V AC. This three-phase breaker provides overcurrent protection for compatible Square D electrical distribution equipment.
Frequently Asked Questions
What is the SQUARE D QO340VH miniature circuit breaker used for?
The SQUARE D QO340VH is a three-pole, 40 A miniature circuit breaker used for overcurrent protection in three-phase electrical systems. It is designed for plug-in installation in QO Load Centers and NQ Panelboards, providing reliable protection for commercial and industrial power distribution applications.
What are the specifications of the SQUARE D QO340VH?
The SQUARE D QO340VH is a 40 A, three-pole miniature circuit breaker rated for 120/240V AC, three-phase. It has a maximum AIR rating of 22kA at 120/240V AC. This QO Series breaker is designed for plug-in use with QO Load Centers and NQ Panelboards, offering robust overcurrent protection.
Where to buy the SQUARE D QO340VH worldwide?
You can source the SQUARE D QO340VH through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide reliable sourcing for Square D circuit breakers.
How to install the SQUARE D QO340VH circuit breaker?
To install the SQUARE D QO340VH, ensure the panel is de-energized. Align the breaker's plug-in base with the bus bar in a compatible QO Load Center or NQ Panelboard, then press firmly until it snaps into place. Verify proper torque on connections per manufacturer guidelines. Always follow local electrical codes.
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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.
