EDB34040 - 40 Amp Circuit Breaker

EDB34040 - 40 Amp Circuit Breaker

When you need dependable overcurrent protection for lighting, HVAC, or general low-voltage electrical systems, the EDB34040 delivers. This 40-amp, 3‑pole miniature circuit breaker is designed to provide stable, long-term performance in panelboards intended for NF‑style breakers. With its thermal-magnetic trip mechanism, bolt-on mounting, and HID/HACR rating, it offers consistent and reliable protection with minimal maintenance — so you can focus on keeping operations running smoothly rather than worrying about electrical issues.

Key Features and Benefits

• Thermal‑Magnetic Trip Unit: Provides an accurate, dependable response to overcurrents and short circuits, keeping wiring and connected devices safe.
• Bolt-On Mounting: Ensures a secure, vibration-resistant installation — simple to install and stays firmly in place over time.
• HID & HACR Rated: Suitable for heavy-duty applications including high-intensity lighting, heating, air conditioning, and refrigeration systems.
• 40 Amp / 3‑Pole Configuration: Ideal for balanced three-phase or three-wire circuits commonly found in commercial and light industrial panelboards.
• Long Service Life: Professionally engineered for durability and dependable performance over many years of continuous use.

Technical Specifications

• Frame Type: E‑Frame
• Rated Current: 40 A
• Number of Poles: 3
• Operating Voltage: 480Y / 277 VAC
• Interrupting Rating: 25 kA max at 120 VAC
• Trip Current: 1800 A
• Holding Current: 630 A
• Mounting Method: Bolt-on panelboard design
• Dimensions:
  • Height: 5.66 in
  • Width: 2.94 in
  • Depth: 4.05 in
• Weight: 4 lb

Material Compliance & Certifications

• UL Listed: Tested and certified to meet U.S. safety standards for circuit breakers.
• RoHS & REACH Compliant: Manufactured with materials that meet current environmental safety and chemical-use standards.
• Built to meet globally respected quality and safety benchmarks, ensuring both safe operation and regulatory compliance.

Where It Works Best

• The EDB34040 shines in lighting panelboards, HVAC sub‑panels, and other low-voltage three-phase circuits in commercial buildings, retail spaces, light industrial facilities, and residential complexes that require reliable three-pole protection. It’s especially suitable when you need a breaker that handles demanding loads — like high-intensity lighting or air-conditioning circuits — while remaining simple to install and maintain.

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