EHB34040 - 40 Amp Circuit Breaker

EHB34040 - 40 Amp Circuit Breaker

Get dependable circuit protection with the EHB34040, a straightforward 3‑pole, 40-amp bolt‑on breaker designed to keep your electrical system safe and sound. Whether you’re wiring a home, outfitting an office, or maintaining a light industrial panel, this breaker delivers consistent performance under load — no fuss, no surprises. With a compact form factor and easy bolt‑on installation, you’ll have it up and running in minutes and out of mind confidently for years.

Key Features and Benefits

• High interrupt capacity for safety – With interrupt ratings of 14,000 A at 480 VAC and 65,000 A at 240 VAC, this breaker stands ready to safely stop fault currents before they threaten equipment or wiring.
• Quick, simple installation – The bolt‑on design lets you mount the breaker directly into compatible panel boards, ideal for upgrades or initial builds.
• Reliable performance in diverse environments – Whether the load is constant or fluctuating, the EHB34040 maintains stable protection so you don’t have to second‑guess it.
• Versatile application range – From residential homes and office wiring to light industrial control panels, this breaker adapts to many setups without changing components.
• Compact and efficient footprint – Its modest size means easier placement even in tight panel enclosures, helping streamline installation and wiring design.

Technical Specifications

• Poles: 3
  
• Amperage: 40 A
  
• Interrupt Rating:
  • 14 kA @ 480 VAC
  • 65 kA @ 240 VAC
• Frame Type: EHB‑4
  
• Wire Range: #12 to #2 AWG, copper or aluminum
  
• Temperature Rating: 75 °C
  
• Dimensions:
  • Width: 3.00 in
  • Length: 3.50 in
  • Depth: 2.63 in
• Weight: ~3 lbs
  

Material Compliance and Certifications

• This breaker is UL Listed and manufactured using materials that meet rigorous safety and environmental standards. You can rely on its design and construction for dependable circuit protection — day in, day out, from the first install onward.

Where It Works Best

• The EHB34040 is ideal for homes, small offices, or light industrial settings where solid circuit protection is a must. It integrates seamlessly with NEHB‑style panelboards, making upgrades or new installations clean and hassle-free. If you want a straightforward, no-frills breaker that gets the job done with minimal maintenance, this is a dependable go-to.