SQUARE D Miniature Circuit Breaker: 40 A, 120/240V AC, Three Phase, 10kA at 120/240V AC
The SQUARE D QOB Series Miniature Circuit Breaker (MPN QOB3401021) is a 40 A, three-phase, bolt-on circuit breaker rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. Designed for use with Square…
SKU 3G-OTH-23153
Also listed as: QOB 3401021 · QOB-3401021
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 QOB Series Miniature Circuit Breaker (MPN QOB3401021) is a 40 A, three-phase, bolt-on circuit breaker rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. Designed for use with Square D NQOD panelboards, this 3-pole breaker provides overcurrent protection in industrial electrical distribution systems.
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 QOB3401021 miniature circuit breaker used for?
The SQUARE D QOB3401021 is a 40 A, three-phase, bolt-on miniature circuit breaker used for overcurrent protection in industrial electrical distribution systems. It is designed for use with Square D NQOD panelboards and is rated for 120/240V AC with a 10kA interrupting rating.
What are the specifications of the SQUARE D QOB3401021 circuit breaker?
The SQUARE D QOB3401021 is a 40 A, three-phase, bolt-on miniature circuit breaker with an AC voltage rating of 120/240V AC and a maximum AIR rating of 10kA at 120/240V AC. It is part of the QOB Series and is designed for use with Square D NQOD panelboards.
Where to buy the SQUARE D QOB3401021 circuit breaker worldwide?
You can source the SQUARE D QOB3401021 circuit breaker 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 on this Square D QOB Series breaker.
How to install the SQUARE D QOB3401021 circuit breaker?
Install the SQUARE D QOB3401021 by ensuring the panelboard is de-energized, then bolt the breaker securely into the Square D NQOD panelboard bus. Verify the 40 A rating matches the circuit load and torque connections per manufacturer guidelines. Always follow local electrical codes and use proper 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.
