SQUARE D Miniature Circuit Breaker: 20 A, 120/240V AC, Single Phase, 22kA at 120/240V AC
The SQUARE D QO Series Miniature Circuit Breaker (MPN QO120VH) is a 20 A, single-phase, plug-in unit rated for 120/240V AC with a maximum AIR rating of 22kA at 120/240V AC. Designed for use with QO Load Centers and…
SKU 3G-OTH-21555
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
Need installation or engineering help?
Ask a question
Product Description
The SQUARE D QO Series Miniature Circuit Breaker (MPN QO120VH) is a 20 A, single-phase, plug-in unit rated for 120/240V AC with a maximum AIR rating of 22kA at 120/240V AC. Designed for use with QO Load Centers and NQ Panelboards, this 1-pole breaker provides overcurrent protection in industrial electrical distribution systems.
Frequently Asked Questions
What is the SQUARE D QO120VH miniature circuit breaker used for?
The SQUARE D QO120VH is a 20 A, single-phase miniature circuit breaker used for overcurrent protection in industrial electrical distribution systems. It is designed for use with QO Load Centers and NQ Panelboards, providing reliable protection in commercial and industrial applications.
What are the specifications of the SQUARE D QO120VH circuit breaker?
The SQUARE D QO120VH is a 1-pole, 20 A, single-phase miniature circuit breaker rated for 120/240V AC with a maximum AIR rating of 22kA at 120/240V AC. It is a plug-in unit from the QO Series, designed for use with QO Load Centers and NQ Panelboards.
Where to buy the SQUARE D QO120VH circuit breaker worldwide?
You can source the SQUARE D QO120VH miniature circuit breaker through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive genuine SQUARE D components for your electrical distribution needs.
How to install the SQUARE D QO120VH circuit breaker?
To install the SQUARE D QO120VH, ensure the panel is de-energized, then plug the breaker into the bus bar of a compatible QO Load Center or NQ Panelboard. Verify the breaker snaps securely into place and connect the load wire to the terminal. Always follow local electrical codes and manufacturer guidelines.
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.
