EJB14050 - 50 Amp Circuit Breaker

EJB14050 - 50 Amp Circuit Breaker

Manufactured to deliver dependable protection for your electrical circuits, the EJB14050 50 Amp miniature circuit breaker offers a high‑capacity, long‑lasting safeguard against overloads and short circuits. Whether you’re wiring a new lighting circuit or upgrading an older panel, this breaker gives you the confidence that comes with clean, efficient power management and reliable fault protection. It combines a strong interrupt rating, a proven thermal‑magnetic trip unit, and a straightforward bolt‑on installation system — making it a smart choice for both residential and light commercial applications.

Key Features and Benefits

• High‑Interrupt Capability: With a 100 kA interrupt rating at 120 VAC (and 65 kA at 277 VAC), this breaker delivers strong protection against high-magnitude faults, reducing risk of damage to wires, devices, and your electrical system.
• Thermal‑Magnetic Trip Unit: The built‑in thermal‑magnetic mechanism responds quickly to overloads or short circuits, ensuring fast, reliable disconnection when needed.
• Bolt‑On Mounting Design: Bolt‑on installation makes installation secure and simple — minimizing installation time, lowering cost, and reducing the likelihood of loose connections.
• Dual‑Material Lug Terminals: Compatible with both copper (AWG 14–2/0) and aluminum (AWG 12–2/0) wiring for flexible wiring options and easier integration into existing systems.
• Long‑Term Durability: Engineered for years of dependable service, this breaker offers consistent performance over time for reliable circuit protection.

Technical Specifications

• Current Rating: 50 Amps
• Voltage Rating: 277 VAC
• Interrupt Rating:
  • 100 kA at 120 VAC
  • 65 kA at 277 VAC
• Number of Poles: 1 (single-pole)
• Mounting Style: Bolt‑on
• Wiring Connections: Lug terminals for copper (AWG 14–2/0) or aluminum (AWG 12–2/0) conductors
• Dimensions:
  • Height: 5.66 in
  • Width: 0.98 in
  • Depth: 4.05 in
• Weight: ~2.0 lbs

Material Compliance and Certifications

• Environmental Compliance: Meets standards for reduced hazardous substances and environmentally conscious manufacturing practices.
• Quality & Safety Certifications: Certified to meet recognized safety and performance standards for circuit protection — ensuring dependable operation under normal and high-stress electrical conditions.

Where It Works Best

• This 50 Amp Miniature Circuit Breaker is ideal for protecting lighting or branch circuits in residential homes, light commercial buildings, or small industrial facilities. It integrates seamlessly with common NF‑type panelboards and provides dependable overload and short‑circuit protection wherever you need safe, reliable power for lighting, HVAC, or other fixed wiring loads.