SQUARE D Miniature Circuit Breaker: 50 A, 120/240V AC, Three Phase, 10kA at 120/240V AC
The SQUARE D QOU Series Unit-Mount Miniature Circuit Breaker (MPN QOU3501021) is a three-phase, 50 A, 120/240V AC device with a maximum AIR rating of 10kA at 120/240V AC. This 3-pole breaker is designed for use with…
SKU 3G-OTH-23228
Also listed as: QOU 3501021 · QOU-3501021
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 QOU Series Unit-Mount Miniature Circuit Breaker (MPN QOU3501021) is a three-phase, 50 A, 120/240V AC device with a maximum AIR rating of 10kA at 120/240V AC. This 3-pole breaker is designed for use with heating applications.
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 QOU3501021 miniature circuit breaker used for?
The SQUARE D QOU3501021 is a three-phase, 50 A miniature circuit breaker rated for 120/240V AC. It is designed for heating applications, providing overcurrent protection in unit-mount QOU series panels. This 3-pole breaker is suitable for commercial and industrial heating equipment where reliable branch-circuit protection is required.
What are the specifications of the SQUARE D QOU3501021?
The SQUARE D QOU3501021 is a 3-pole, three-phase miniature circuit breaker rated 50 A at 120/240V AC. It has a maximum AIR rating of 10kA at 120/240V AC. The breaker is part of the QOU series and is intended for use with heating applications. The manufacturer part number is QOU3501021.
Where to buy the SQUARE D QOU3501021 worldwide?
3G Electric supplies the SQUARE D QOU3501021 miniature circuit breaker to customers worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact 3G Electric for pricing and lead time on this QOU series breaker.
How to select the SQUARE D QOU3501021 for a heating application?
To select the SQUARE D QOU3501021, verify your system is three-phase, 120/240V AC, with a maximum load of 50 A. Ensure the available fault current does not exceed 10kA at 120/240V AC. This QOU series unit-mount breaker is designed specifically for heating circuits. Always consult local electrical codes and a qualified engineer for proper application.
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Common applications for SQUARE DSQUARE D Products
3G Electric supplies SQUARE D qou series, unit-mount square d miniature circuit breakers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
