EJB34050 - 50 Amp Circuit Breaker

EJB34050 - 50 Amp Circuit Breaker

Introducing the Schneider Electric EJB34050-a 50‑amp, 3‑pole miniature circuit breaker built for dependable performance and long-term electrical protection. Designed for low-voltage lighting and panelboard applications, this unit delivers strong overload and short-circuit safeguarding in residential, commercial, and light industrial settings. With its E‑Frame build and bolt-on mounting, the EJB34050 installs easily and stays firmly in place — giving you confidence that your circuits remain safe and stable for years.

Key Features and Benefits

• Thermal‑Magnetic Trip Unit: Offers dependable protection against both overloads and short circuits, helping prevent electrical damage or fire risks.
• High Interrupt Capacity: Able to handle up to 100 kA at 120 VAC (with similarly impressive ratings at other voltages), making it suitable for demanding circuit protection needs.
• Bolt-On Mounting: Mounts easily and securely in compatible panelboards, ensuring a stable, long-lasting connection without complicated installation procedures.
• Durable Build: Crafted for long-term performance — engineered to deliver reliable operation over many years of service.
• Versatile Voltage & Load Handling: Operates at 480Y/277 VAC with a line current of 50 A — perfect for a wide range of lighting and low-voltage circuit applications.

Technical Specifications

• Line Rated Current: 50 A
• Maximum Operating Voltage: 480Y/277 VAC
• Breaking Capacity:
  • 65 kA @ 277 VAC
  • 100 kA @ 240 VAC
  • 65 kA @ 480Y/277 VAC
  • 100 kA @ 120 VAC / 120/240 VAC
• Trip Unit Rating: 1800 A
• Electrical Connection: Aluminum lugs
• Mounting Mode: Bolt-On
• Number of Poles: 3
• Dimensions:
  • Height: 5.66 in (143.76 mm)
  • Width: 2.94 in (74.68 mm)
  • Depth: 4.05 in (102.87 mm)
• Net Weight: 4 lb (1.81 kg)
• Ambient Operating Temperature: 104 °F (40 °C)

Material Compliance and Certifications

• cULus certified: Ensuring compliance with relevant North American safety standards
• Green Premium® label: Reflecting environmentally conscious design and transparency regarding material impact
• REACh & RoHS: Meets REACh declaration requirements and aligns with RoHS directives where applicable — underscoring commitment to environmental and safety regulations

Where It Works Best

• The EJB34050 is ideal for use in lighting panelboards and low-voltage systems where reliable protection is crucial. It performs especially well in residential and commercial lighting circuits — from small office buildings to larger retail or facility lighting banks. Because of its high interrupt capacity and dependable trip performance, it’s also a strong fit for light‑industrial or mixed‑use facilities where safety and stability are top priorities. If you’re looking for a circuit breaker that balances ease of installation, long service life, and dependable protection, this unit is a smart, worry-free choice.