EHB34050 - 50 Amp Circuit Breaker

EHB34050 - 50 Amp Circuit Breaker

Give your electrical system durable circuit protection with the Square D EHB34050 50‑amp, 3-pole circuit breaker — a simple, effective solution designed for residential, commercial, and light industrial settings. Its bolt-on installation reduces setup time and offers a secure, stable fit. Whether you're wiring a new panel or upgrading an existing one, this breaker delivers consistent, dependable performance that helps safeguard wiring and connected equipment from overloads and short circuits.

Key Features and Benefits

• High Fault Current Handling: With ratings of 14 kA at 480 VAC and 65 kA at 240 VAC, this breaker is built to manage sudden surges — protecting circuits from large fault currents and helping minimize risk of damage or downtime.
• Quick, Secure Installation: The bolt-on design ensures a tight, reliable mounting in the panelboard. Installers benefit from faster setup and a firm fit, which helps maintain long-term stability.
• Wide Application Range: Ideal for homes, offices, retail spaces, and light industrial facilities, this breaker provides versatile protection in any environment.
• Consistent Circuit Protection: Offers reliable safeguarding against overloads and short circuits, giving you peace of mind that your system is protected under everyday conditions.

Technical Specifications

• Poles: 3
• Current Rating: 50 A
• Interrupting Rating:
  • 14 kA @ 480 VAC
  • 65 kA @ 240 VAC
• Frame Type: EHB‑4
• Wire Compatibility: #12–#2 AWG aluminum or copper conductors
• Temperature Rating: 75 °C
• Dimensions:
  • Width: 3.00″
  • Length: 3.50″
  • Depth: 2.63″
• Weight: Approximately 3 lb

Material Compliance and Certifications

• UL Listed: This circuit breaker is UL Listed, meeting stringent safety and performance standards required for homes, businesses, and light industrial applications. Its construction ensures dependable long-term operation and stable circuit protection.

Where It Works Best

• NEHB Panelboards: Designed for a perfect fit with NEHB panelboards, ensuring secure, stable installation.
• Residential Use: Great for home wiring needs — from breaker boxes for appliances to general load circuits.
• Commercial Spaces: Ideal for offices, retail outlets, and public spaces where steady circuit protection is essential.
• Light Industrial Applications: Provides reliable protection for equipment and wiring in light industrial or workshop environments, helping maintain smooth operations and avoid downtime.