SQUARE D QO2401021 Miniature Circuit Breaker, 40A, 2-Pole, 120/240V AC, 10kA
The SQUARE D QO Series Miniature Circuit Breaker, model QO2401021, is a 40 A, single-phase, plug-in unit designed for use with QO Load Centers and NQ Panelboards. It has an AC voltage rating of 120/240V AC and a…
SKU 3G-OTH-22367
Also listed as: QO 2401021 · QO-2401021
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
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Product Description
The SQUARE D QO Series Miniature Circuit Breaker, model QO2401021, is a 40 A, single-phase, plug-in unit designed for use with QO Load Centers and NQ Panelboards. It has an AC voltage rating of 120/240V AC and a maximum AIR rating of 10kA at 120/240V AC. This 2-pole breaker provides overcurrent protection in residential and commercial electrical distribution systems.
Frequently Asked Questions
What is the SQUARE D QO2401021 miniature circuit breaker used for?
The SQUARE D QO2401021 is a 40 A, 2-pole miniature circuit breaker used for overcurrent protection in residential and commercial electrical distribution systems. It is designed for plug-in installation in QO Load Centers and NQ Panelboards, providing reliable branch circuit protection at 120/240V AC.
What are the specifications of the SQUARE D QO2401021 circuit breaker?
The SQUARE D QO2401021 is a 40 A, single-phase, 2-pole miniature circuit breaker rated for 120/240V AC. It has a maximum AIR rating of 10kA at 120/240V AC. This QO Series breaker is plug-in type and is intended for use with QO Load Centers and NQ Panelboards.
Where to buy the SQUARE D QO2401021 circuit breaker worldwide?
3G Electric supplies the SQUARE D QO2401021 miniature circuit breaker to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order this 40 A, 2-pole breaker for your electrical distribution needs.
How to install the SQUARE D QO2401021 circuit breaker?
Install the SQUARE D QO2401021 by ensuring the QO Load Center or NQ Panelboard is de-energized. Align the breaker's plug-in tabs with the bus bar and press firmly until it snaps into place. Verify the 40 A rating matches the circuit requirements. Always follow local electrical codes and use qualified personnel.
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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.
