EDB34040 - 40 Amp Circuit Breaker
- 40 Amp
- 18k @ 480VAC; 25k @ 240VAC
- 3 Pole
Purchase Options: New In Box
EDB34040 - 40 Amp Circuit Breaker Description
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
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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.
Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. All trademarks and registered trademarks are the property of their respective owners.
Specifications
- Width:3.0
- Height:5.69
- Depth:3.44
- Poles:3
- Amperes:40
- A.I.C. Rating & Volts:18k @ 480VAC; 25k @ 240VAC
- Type:EDB
- Approx Dimensions:3.00"W x 5.69"L x 3.44"D
- Additional Notes:Thermal Magnetic, Bolt-on, Circuit Breaker for NF Panelboard. Includes Load-Side Lugs
Returns are easy
You may return unused items within 30 days of delivery for a full refund.
FREE shipping on breaker orders over $100 and all other items with orders over $500.
CIRCUIT BREAKER SUPERSTORE® offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).
Same Day Shipping
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In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.
CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).