EDB34050 - 50 Amp Circuit Breaker

EDB34050 - 50 Amp Circuit Breaker

The EDB34050 50A Circuit Breaker is a dependable, high-performance switch designed to keep your lighting panelboards and electrical systems running safely and efficiently. Built with an E‑Frame miniature circuit breaker architecture, this unit delivers dependable overload and short-circuit protection — giving you peace of mind whether you're wiring a home, outfitting a commercial space, or managing industrial electrical loads. Quietly powerful yet straightforward to install, the EDB34050 brings long-term value and dependable operation to any electrical setup.

Key Features and Benefits

• Thermal‑Magnetic Trip Unit: A combined thermal-magnetic trip mechanism protects against both prolonged overloads and sudden short circuits — safeguarding circuits and connected equipment alike.
• High Interrupting Capacity: With a maximum interrupting rating of 25 kA at 120 VAC (18 kA at 480Y/277 VAC), the EDB34050 is equipped to handle substantial fault currents, ensuring strong protection when it matters most.
• Long Lifespan: Engineered for durability, this circuit breaker is rated for years of reliable performance — giving you long-term peace of mind without frequent replacements.
• Bolt-On Mounting: The bolt‑on mounting system makes installation secure and simple, ensuring a tight, stable connection to NF-style panelboards with minimal fuss.
• HACR and HID Approved: Suitable for heating, air conditioning, refrigeration (HACR), and high-intensity discharge (HID) lighting systems — making it a flexible solution for diverse environments from offices to warehouses.

Technical Specifications

• Rated Current: 50 A
• Operating Voltage: 480Y/277 VAC
• Breaking Capacity:
  • 25 kA @ 120 VAC
  • 18 kA @ 480Y/277 VAC
• Poles: 3
• Trip Unit Rating: 1800 A
• Dimensions:
  • Height: 5.66 in
  • Width: 2.94 in
  • Depth: 4.05 in
• Weight: 4 lb
• Mounting Mode: Bolt‑on
• Connection Type: Lugs for aluminum or copper conductors
• Tightening Torque:
  • AWG 14–10: 34.5 lbf·in (3.9 N·m)
  • AWG 8–2/0: 49.6 lbf·in (5.6 N·m)
• Operating Temperature Limit: Up to 104 °F (40 °C)

Material Compliance and Certifications

• UL Listed: The EDB34050 Circuit Breaker is UL listed and meets rigorous standards for HACR and HID applications.
• Environmental Compliance: It proudly carries the Green Premium™ designation — highlighting superior environmental performance. Mercury-free and compliant with RoHS directives, it adheres to current international environmental and safety regulations.

Where It Works Best

• This breaker is an excellent match for installations using NF‑style panelboards. It performs reliably across residential, commercial, and light-industrial applications — from protecting home lighting and HVAC circuits to powering commercial lighting, refrigeration units, and general electrical networks. If you’re installing or upgrading lighting systems, HVAC controls, or other moderately heavy-duty electrical loads, the EDB34050 is a practical, long-lasting choice that delivers dependable protection day after day.