EJB24050 - 50 Amp Circuit Breaker

EJB24050 - 50 Amp Circuit Breaker

Meet the EJB24050 — a dependable, high-performance 50‑amp, 2‑pole circuit breaker engineered to deliver dependable overload and short‑circuit protection for demanding electrical systems. With its thermal‑magnetic trip mechanism and impressive interrupt capacity, this breaker handles heavy-duty loads with confidence while fitting neatly into space‑constrained panelboards. Whether you’re upgrading a commercial lighting panel or outfitting an industrial control system, the EJB24050 brings safety, reliability, and peace of mind to your installation.

Key Features and Benefits

• High Interrupt Rating: Offers up to 100 kA interrupt capacity at 120 VAC, giving you strong protection during fault conditions and reducing the risk of damage to wiring or equipment.
• Thermal‑Magnetic Trip Unit: Precisely responds to both overloads and short circuits, safeguarding circuits and connected equipment from potential hazards.
• Bolt‑On Mounting: Ensures a firm, secure installation that minimizes risk of loose connections, helping maintain long-term reliability.
• Trip Indicator for Fast Diagnostics: Includes a local signaling window that shows when the breaker has tripped — great for quick troubleshooting and maintenance without guesswork.
• Compact Design: Even with its 50 A capacity and strong interrupt rating, the EJB24050 remains slim enough to fit in tight or crowded panel layouts, maximizing panelboard space efficiency.

Technical Specifications

• Rated Current: 50 A
  
• Poles: 2
  
• Operating Voltage: 480Y/277 VAC
  
• Maximum Interrupt Rating: 100 kA at 120 VAC
  
• Trip Unit Type: Thermal‑magnetic, with 1,800 A interrupt capacity for short‑circuit events
  
• Mounting Mode: Bolt‑on lug connection
  
• Dimensions:
  • Height: 5.66 in (143.8 mm)
  • Width: 1.96 in (49.8 mm)
  • Depth: 4.05 in (102.9 mm)
• Weight: 3 lb (1.36 kg)
  
• Wire Connection: Aluminum lugs compatible with AWG 14–AWG 2/0 conductors
  
• Recommended Lug Tightening Torque: 34.5 lbf·in (for AWG 14–10), 49.6 lbf·in (for AWG 8–2/0)
  

Material Compliance and Certifications

• UL Listed / cULus Certified: Meets recognized North American safety standards for circuit breakers.
• RoHS Compliant & Mercury-Free: Manufactured without mercury, in accordance with environmental safety regulations.
• Green-Premium Label Qualified: Reflects environmentally responsible manufacturing and materials selection.
• Ambient Operating Temperature Rating: Up to 104 °F (40 °C), suitable for standard commercial and industrial environments.

Where It Works Best

• The EJB24050 is especially suited for commercial and industrial settings where dependable circuit protection is critical. Use it in lighting panelboards, general power distribution, or machinery control systems. Its strong interrupt rating and thermal‑magnetic protection make it a wise choice in factories, warehouses, office buildings, or retail centers where safety and reliability under heavy load are non‑negotiable. Wherever you need a trustworthy 50 A breaker that fits neatly into a panelboard and safeguards wiring and equipment, the EJB24050 delivers.