SQUARE D Miniature Circuit Breaker: 80 A, 120/240V AC, Three Phase, 10kA at 120/240V AC
The SQUARE D QOB Series Miniature Circuit Breaker (MPN QOB3801021) is a three-phase, 80 A, bolt-on breaker rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. Designed for use with Square D NQOD…
SKU 3G-OTH-23351
Also listed as: QOB 3801021 · QOB-3801021
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 QOB3801021) is a three-phase, 80 A, bolt-on 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 unit 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 QOB3801021 miniature circuit breaker used for?
The SQUARE D QOB3801021 provides overcurrent protection in three-phase industrial electrical distribution systems. It is designed for use with Square D NQOD panelboards, handling up to 80 A at 120/240V AC with a 10kA interrupting rating.
What are the specifications of the SQUARE D QOB3801021 circuit breaker?
The SQUARE D QOB3801021 is a 3-pole, bolt-on miniature circuit breaker rated 80 A, 120/240V AC, three-phase, with a maximum AIR rating of 10kA at 120/240V AC. It is part of the QOB Series and fits Square D NQOD panelboards.
Where to buy the SQUARE D QOB3801021 circuit breaker worldwide?
3G Electric supplies the SQUARE D QOB3801021 miniature circuit breaker 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.
How to install the SQUARE D QOB3801021 circuit breaker?
Install the SQUARE D QOB3801021 by bolting it into a compatible Square D NQOD panelboard. Ensure power is off, verify voltage and ampacity match the rating (80 A, 120/240V AC), and torque terminals to manufacturer specifications. Always follow local electrical codes.
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.
