SQUARE D Miniature Circuit Breaker: 50 A, 120/240V AC, Single Phase, 10kA at 120/240V AC
The SQUARE D QO Series Miniature Circuit Breaker (MPN QO2501021) is a 50 A, single-phase, plug-in unit rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. Designed for use with QO Load Centers and…
SKU 3G-OTH-21964
Also listed as: QO 2501021 · QO-2501021
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 QO Series Miniature Circuit Breaker (MPN QO2501021) is a 50 A, single-phase, plug-in unit rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. Designed for use with QO Load Centers and NQ Panelboards, this 2-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 QO2501021 miniature circuit breaker used for?
The SQUARE D QO2501021 is a 50 A, 2-pole miniature circuit breaker used for overcurrent protection in industrial electrical distribution systems. It is designed for single-phase, 120/240V AC applications and is compatible with QO Load Centers and NQ Panelboards, making it suitable for branch circuit protection in commercial and industrial facilities.
What are the specifications of the SQUARE D QO2501021 circuit breaker?
The SQUARE D QO2501021 is a 50 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 and is a plug-in type from the QO Series. It is designed for use with QO Load Centers and NQ Panelboards, providing reliable overcurrent protection.
Where to buy the SQUARE D QO2501021 circuit breaker worldwide?
You can source the SQUARE D QO2501021 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; we supply genuine SQUARE D components for industrial electrical systems.
How to install the SQUARE D QO2501021 circuit breaker?
To install the SQUARE D QO2501021, ensure the panel is de-energized. Align the breaker's plug-in base with the bus bar in a QO Load Center or NQ Panelboard and press firmly until it snaps into place. Connect the load wires to the terminal screws, torque to manufacturer specifications, and verify proper seating before restoring power.
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.
