EHB34040 - 40A Circuit Breaker
- 40 Amp
- 14k @ 480VAC; 65k @ 240VAC
- 3 Pole
Purchase Options:
EHB34040 - 40A Circuit Breaker Description
EHB34040 - 40A Circuit Breaker
Need a circuit breaker that won’t quit when things get tough? The Square D EHB34040 is a 3-pole, 40-amp bolt-on breaker designed to keep your electrical system protected and running smooth — whether you're dealing with a busy commercial setup or just making sure the lights stay on at home. It’s built to handle high fault conditions and installs easily, so you can get on with your day knowing your circuits are in good hands.
Key Features and Benefits
- Serious Fault Protection – Rated for 14,000 amps at 480V and up to 65,000 amps at 240V. This thing is ready for serious electrical events.
- Quick, No-Fuss Installation – Thanks to the bolt-on design, it fits right in without the headache.
- Solid, Consistent Performance – Designed to deliver stable performance in a wide range of environments.
- Versatile Enough for Almost Anywhere – Whether it's a residential panel or a busy office floor, this breaker steps up and does the job.
Technical Specs
- Number of Poles: 3
- Amperage: 40A
- Interrupt Rating: 14kA @ 480VAC, 65kA @ 240VAC
- Frame Type: EHB-4
- Wire Range: Accepts #12 to #2 AWG copper or aluminum
- Temp Rating: 75°C
- Size: 3.00" wide × 3.50" long × 2.63" deep
- Shipping Weight: Around 3 lbs
Material Compliance & Certifications
You want safety? You’ve got it. This breaker is UL Listed and built from materials that meet strict quality and environmental standards. It’s the kind of gear you can rely on day after day, job after job.
Where It Works Best
Perfect for homes, offices, or light industrial spaces where dependable circuit protection matters. Keep in mind — this breaker is designed specifically for the NEHB Panelboard, so if that’s what you’re working with, you’re in the right place.
Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. All trademarks and registered trademarks are the property of their respective owners.
Specifications
- Width:3.0
- Height:3.5
- Depth:2.63
- Poles:3
- Amperes:40
- A.I.C. Rating & Volts:14k @ 480VAC; 65k @ 240VAC
- Type:EHB-4
- Approx Dimensions:3.00"W x 3.50"L x 2.63"D
- Additional Notes:Bolt-On Circuit Breaker
Returns are easy
You may return unused items within 30 days of delivery for a full refund.
FREE shipping on breaker orders over $100 and all other items with orders over $500.
CIRCUIT BREAKER SUPERSTORE® offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).
Same Day Shipping
We strive to ship out your items within one business day.
In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.
CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).