SQUARE D Miniature Circuit Breaker: 25 A, 120/240V AC, Single Phase, 10kA at 120/240V AC
The SQUARE D QOB Series Miniature Circuit Breaker (MPN QOB1251021) is a 25 A, single-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-22863
Also listed as: QOB 1251021 · QOB-1251021
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 QOB Series Miniature Circuit Breaker (MPN QOB1251021) is a 25 A, single-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 1-pole breaker provides overcurrent protection in industrial electrical distribution systems.
Frequently Asked Questions
What is the SQUARE D QOB1251021 miniature circuit breaker used for?
The SQUARE D QOB1251021 is a 25 A, single-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 capacity.
What are the specifications of the SQUARE D QOB1251021 circuit breaker?
The SQUARE D QOB1251021 is a 1-pole, 25 A, single-phase miniature circuit breaker rated for 120/240V AC. It has a maximum AIR rating of 10kA at 120/240V AC and is designed for bolt-on mounting in Square D NQOD panelboards. It provides reliable overcurrent protection in industrial electrical systems.
Where to buy the SQUARE D QOB1251021 circuit breaker worldwide?
3G Electric supplies the SQUARE D QOB1251021 miniature circuit breaker worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this Square D QOB Series breaker for your electrical distribution needs.
How to install the SQUARE D QOB1251021 bolt-on circuit breaker?
Install the SQUARE D QOB1251021 by ensuring the panelboard is de-energized, then bolt the breaker securely onto the Square D NQOD panelboard bus bar. Connect the load wire to the terminal and torque to manufacturer specifications. 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.
