SQUARE D Miniature Circuit Breaker: 45 A, 120/240V AC, Three Phase, 10kA at 120/240V AC
The SQUARE D QO345 is a 45 A, three-phase miniature circuit breaker from the QO Series, designed for plug-in installation in QO Load Centers and NQ Panelboards. It carries a maximum AIR rating of 10kA at 120/240V AC…
SKU 3G-OTH-22320
Also listed as: QO 345 · QO-345
Local availability & support — the Philippines
- Delivery
- 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
- Payment
- Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
- Ships to
- Manila, Quezon City, Cebu, Davao, Batangas
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Product Description
The SQUARE D QO345 is a 45 A, three-phase miniature circuit breaker from the QO Series, designed for plug-in installation in QO Load Centers and NQ Panelboards. It carries a maximum AIR rating of 10kA at 120/240V AC and an AC voltage rating of 120/240V AC.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the SQUARE D QO345 miniature circuit breaker used for?
The SQUARE D QO345 is a 45 A, three-phase miniature circuit breaker used for overcurrent protection in commercial and industrial electrical panels. It installs in QO Load Centers and NQ Panelboards, safeguarding branch circuits against overloads and short circuits at 120/240V AC.
What are the specifications of the SQUARE D QO345?
The SQUARE D QO345 is a 3-pole, 45 A, three-phase miniature circuit breaker rated 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. It is part of the QO Series and designed for plug-in use with QO Load Centers and NQ Panelboards.
Where to buy the SQUARE D QO345 worldwide?
3G Electric supplies the SQUARE D QO345 miniature circuit breaker to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this genuine SQUARE D part.
How to install the SQUARE D QO345 circuit breaker?
To install the SQUARE D QO345, 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 handle snaps into the ON/OFF position. Always follow local electrical codes and the manufacturer's instructions.
Used in
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.
