EHB34090 - 90 Amp Circuit Breaker

EHB34090 - 90 Amp Circuit Breaker

The Square D EHB34090 90 Amp Circuit Breaker is built to keep your electrical system safe and running reliably. With its three-pole design and bolt-on setup, it’s easy to install and works well in commercial or industrial spaces. The thermal-magnetic trip unit shuts off power quickly if there’s an overload or short circuit, helping protect your equipment and prevent downtime.

Key Features and Benefits

• High Interrupting Capacity: Can handle up to 14 kA at 480 VAC and 65 kA at 240 VAC.
• Thermal-Magnetic Trip: Cuts power fast during overloads or short circuits.
• Bolt-On Design: Installs securely without extra tools or complicated steps.
• Durable Build: Made to last in demanding environments.

Technical Specifications

• Amperage: 90 Amps
• Poles: 3
• A.I.C. Rating:
  • 14 kA @ 480 VAC
  • 65 kA @ 240 VAC
• Frame Type: EHB‑4
• Mounting Style: Bolt-On
• Approx. Dimensions:
  • Width: 3.00 inches
  • Length: 3.50 inches
  • Depth: 2.63 inches
• Weight: ~3 lbs (1.36 kg)

Material Compliance and Certifications

• UL Listed: Meets recognized safety standards.
• SWD Rated: Suitable for switching duty applications.
• Temperature Rating: 60/75 °C for different environments.

Suitability

• This breaker is designed for the NEHB Panelboard only and is ideal for offices, commercial buildings, or industrial sites. It handles heavy electrical loads and responds quickly when faults occur, keeping circuits safe and reliable.