EHB34045 - 45 Amp Circuit Breaker

EHB34045 - 45 Amp Circuit Breaker

The Square D EHB34045 is a straightforward 45-amp, 3-pole breaker that keeps your circuits safe from overloads and short circuits. It’s easy to install thanks to its bolt-on design—just line it up, bolt it down, and you’re done. This breaker is built to last and handles everyday use without fuss, making it a reliable choice for homes or light commercial spaces.

Key Features & Benefits

• Handles High Faults: Can manage up to 14 kA at 480 VAC and 65 kA at 240 VAC, so your system stays protected during sudden surges.
• Easy Installation: Bolt-on setup is quick and secure, saving time and reducing mistakes.
• Flexible Use: Works in homes, offices, or small commercial projects—good for a variety of situations.
• Reliable Day-to-Day: Designed to perform consistently under normal load conditions.

Technical Specifications

• Poles: 3
• Amperage: 45 A
• Interrupting Capacity:
  • 14 kA @ 480 VAC
  • 65 kA @ 240 VAC
• Frame Type: EHB‑4
• Wire Size: #12–#2 AWG (Aluminum or Copper)
• Temperature Rating: 75 °C
• Dimensions:
  • Width: 3.00 "
  • Length: 3.50 "
  • Depth: 2.63 "
• Weight: ~3 lb

Material Compliance and Certifications

• Industry Standards: Made with UL-listed parts, the EHB34045 meets safety standards for residential and commercial use.
• Durable Materials: Built from durable materials and meets environmental and safety requirements.

Where It Works Best

• This breaker fits the NEHB Panelboard perfectly. Whether you’re upgrading home circuits or handling a small commercial setup, it’s a reliable, no-nonsense option.