EGB34040 - 40 Amp Circuit Breaker

EGB34040 - 40 Amp Circuit Breaker

The EGB34040 40‑Amp Circuit Breaker delivers dependable protection and long-term reliability for lighting panelboards and other low-voltage electrical systems. Built as a bolt‑on, 3‑pole breaker with thermal‑magnetic trip technology, this unit safeguards your circuits from overloads and short circuits with precision and confidence. Thanks to its strong 65 kA interrupt rating at 120 VAC, it can safely handle high-fault conditions without compromising performance. Designed for decades of service, the EGB34040 gives you peace of mind that your installation remains safe and efficient under continuous use.

Key Features and Benefits

• Thermal‑magnetic protection: The integrated trip unit reacts quickly to overloads and short-circuit events, helping prevent damage to wiring or attached equipment.
• High interrupt capacity: With a 65 kA maximum interrupt rating (at 120 VAC), this breaker excels in demanding conditions and high‑fault scenarios, offering dependable safety when it matters most.
• Long service life: Engineered for up to 20 years of reliable operation under regular use, giving you stable protection without frequent maintenance or replacement.
• Simple installation: Bolt-on mounting and 3‑pole design make installation in compatible panelboards fast and straightforward, saving you time and installation hassle.
• Versatile compatibility: Ideal for lighting panelboards and a wide range of low-voltage systems, making it a flexible component for commercial and industrial electrical setups.

Technical Specifications

• Frame Type: E-Frame
  
• Rated Current: 40 A
  
• Poles: 3
  
• Operating Voltage: 480Y/277 VAC
  
• Interrupt Rating: 65 kA max at 120 VAC
  
• Trip Unit: Thermal‑magnetic
  
• Dimensions:
  • Height: 5.66 in
  • Width: 2.94 in
  • Depth: 4.05 in
• Weight: 4 lb (1.81 kg)
  
• Mounting: Bolt-on
  

Material Compliance and Certifications

• UL Listed: Independently tested to meet rigorous safety and performance standards.
• HACR Rated: Approved for heating, air-conditioning, and refrigeration equipment.
• HID Compatible: Suitable for use with high-intensity discharge lighting systems.
• Environmental Compliance: Fully meets RoHS and REACH requirements for reduced environmental impact.

Where It Works Best

• The EGB34040 shines in commercial and industrial lighting panelboards, retrofit lighting systems, and other low-voltage electrical installations where safety and dependability are crucial. It’s especially well-suited for offices, warehouses, retail spaces, manufacturing floors, and other environments where centralized lighting or multiple circuits require dependable protection. If you’re managing lighting loads or critical low-voltage systems in a commercial environment, this breaker provides steady, long-term protection with minimal maintenance.