SQUARE D Miniature Circuit Breaker: 40 A, 120/240V AC, Single Phase, 10kA at 120/240V AC
The SQUARE D QOB Series Miniature Circuit Breaker (MPN QOB240HID) is a 40 A, single-phase, bolt-on breaker rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. This 2-pole unit is designed for use…
SKU 3G-OTH-23122
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 QOB240HID) is a 40 A, single-phase, bolt-on breaker rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. This 2-pole unit is designed for use with Square D NQOD Panelboards.
Frequently Asked Questions
What is the SQUARE D QOB240HID miniature circuit breaker used for?
The SQUARE D QOB240HID is a 40 A, 2-pole bolt-on miniature circuit breaker for single-phase 120/240V AC applications. It provides overcurrent protection in Square D NQOD panelboards, commonly used in commercial and industrial electrical distribution systems where reliable branch-circuit protection is required.
What are the specifications of the SQUARE D QOB240HID circuit breaker?
The SQUARE D QOB240HID is rated 40 A at 120/240V AC, single phase, with a maximum AIR rating of 10kA at 120/240V AC. It has 2 poles, a bolt-on mounting style, and is designed for use with Square D NQOD panelboards. The manufacturer part number is QOB240HID.
Where to buy the SQUARE D QOB240HID circuit breaker worldwide?
3G Electric supplies the SQUARE D QOB240HID miniature circuit breaker worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this Square D QOB series breaker to any country.
How to install the SQUARE D QOB240HID circuit breaker?
To install the SQUARE D QOB240HID, ensure the panelboard is de-energized. Align the bolt-on breaker with the mounting tabs in a Square D NQOD panelboard and tighten the mounting screw securely. Connect line and load conductors to the appropriate terminals, torquing 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.
