EH34040 - 40 Amp Circuit Breaker
- 40 Amp
- 14k @ 480VAC; 65k @ 240VAC
- 3 Pole
Purchase Options: Refurbished
EH34040 - 40 Amp Circuit Breaker Description
EH34040 - 40 Amp Circuit Breaker
When you’re working with an existing electrical system, the last thing you want is guesswork. The EH34040 circuit breaker is built to match the form, fit, and function required for EH-4 frame panelboards, making it a practical choice for keeping your system running as intended. With a 3-pole, 40-amp configuration, it’s designed to handle multi-phase applications while helping protect your equipment from overloads and short circuits through its thermal magnetic trip mechanism.
Installation is straightforward thanks to the plug-on design, which allows for a secure connection without unnecessary modifications. Whether you're maintaining a commercial panel or handling a replacement in an industrial setting, this breaker supports continuity—so you can focus on getting the job done efficiently. Built to last and designed for consistent operation, the EH34040 fits right into place where reliability and compatibility matter most.
Key Features and Benefits
- 40 Amp, 3-pole breaker designed for multi-phase circuit protection
- Thermal magnetic trip helps guard against overloads and short circuits
- Plug-on mounting style for quick and secure installation
- Compatible with EH-4 frame panelboards for proper fit
- Interrupting capacity of 14kA @ 480VAC and 65kA @ 240VAC
- Built to last for long-term use in established systems
Technical Specifications
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Part Number: EH34040
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Poles: 3
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Amperes: 40A
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Frame Type: EH-4
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Interrupting Rating: 14kA @ 480VAC; 65kA @ 240VAC
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Trip Type: Thermal Magnetic
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Mounting Style: Plug-On
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Height: 3.5 inches
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Weight: 3.0 lbs
Material Compliance and Certifications
- The EH34040 is manufactured to meet recognized industry safety and performance standards.
- It aligns with applicable UL requirements for molded case circuit breakers used in North American electrical systems.
- Always verify compliance with local electrical codes and installation guidelines.
Where It Works Best
- Commercial buildings and office spaces
- Light industrial facilities
- Maintenance and repair projects involving legacy panelboards
- Applications where matching the original breaker specifications is essential
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. CIRCUIT BREAKER SUPERSTORE® is an independent reseller and is not an authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do not apply unless expressly stated. 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:EH-4
- Approx Dimensions:3.00"W x 3.50"L x 2.63"D
- Additional Notes:Plug-On Thermal Magnetic 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
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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).