EHB24040 - 40 Amp Circuit Breaker

EHB24040 - 40 Amp Circuit Breaker

If you’re searching for an EHB24040 circuit breaker, chances are you already know what you need—you just want to make sure it fits and performs the way your system expects. This 2-pole, 40-amp breaker is built for EHB-4 frame panelboards, making it a straightforward replacement for maintaining existing electrical distribution setups. The bolt-on design gives you a solid, secure connection to the bus, which helps keep everything running consistently. With interrupting ratings of 14kA at 480VAC and 65kA at 240VAC, it’s suited for handling fault conditions in commercial and industrial environments where dependable protection matters. No guesswork. No modifications. Just a breaker that matches your setup and does exactly what it’s supposed to do.

Key Features and Benefits

• Exact Fit for EHB-4 Frames – Designed to match existing panelboard configurations
• 2-Pole Design – Ideal for 240V and 480V applications
• 40 Amp Rating – Commonly used for branch circuits and equipment loads
• Bolt-On Connection – Helps maintain a firm, stable electrical connection
• Interrupting Capacity You Can Rely On –
  • 14kA @ 480VAC
  • 65kA @ 240VAC
• Straightforward Installation – Fits compatible panels without alterations

Technical Specifications

• Part Number: EHB24040
• Poles: 2
• Amperage: 40A
• Voltage Rating: Up to 480VAC
• Interrupting Rating:
  • 14kA @ 480VAC
  • 65kA @ 240VAC
• Frame Type: EHB-4
• Mounting Type: Bolt-On
• Height: 3.5 inches
• Shipping Weight: 2.0 lbs

Material Compliance and Certifications

• Produced to meet applicable industry standards for molded case circuit breakers
• Suitable for use in systems requiring UL-listed components (confirm panel compatibility prior to installation)
• Built with durable internal components intended for long-term, consistent use

Where It Works Best

The EHB24040 is commonly used in commercial buildings, industrial facilities, and legacy electrical systems that rely on EHB-4 frame breakers. You’ll typically see it in panelboards supporting lighting, small machinery, and general power distribution. It’s a practical choice when you need a breaker that aligns with existing specs and fits into your current setup without complications.