EDB24045 - 45 Amp Circuit Breaker

EDB24045 - 45 Amp Circuit Breaker

The EDB24045 Miniature Circuit Breaker is a high‑quality 45‑amp, 2‑pole breaker designed to deliver safe and dependable protection for a wide range of electrical installations. Built to meet the demands of both residential and commercial lighting circuits, this breaker operates at 480Y/277 VAC and offers a maximum interrupt rating of 25 kA — giving you confidence that it can handle heavy loads and sudden surges. Its thermal‑magnetic trip unit ensures accurate, dependable tripping when overload or short‑circuit conditions arise while the built-in trip indicator gives you a clear, at-a-glance status update. The bolt-on design makes installation quick and secure in compatible NF‑series panelboards. Whether you’re upgrading a home lighting system or outfitting a commercial space, the EDB24045 brings performance and safety under one compact package.

Key Features and Benefits

• Dependable protection: Guards wiring and devices by reliably interrupting power during overloads or short-circuit events.
• High performance specs: Rated at 45 A and 480Y/277 VAC with a 25 kA interrupt capacity — ideal for demanding lighting and power circuits.
• Accurate thermal‑magnetic trip unit: Provides precise tripping, limiting risk of nuisance trips while safeguarding equipment under fault conditions.
• Visual trip indicator: Lets you quickly see whether the breaker has tripped, making maintenance and troubleshooting more straightforward.
• Bolt-on design: Ensures installation is firm and stable in NF‑style panelboards for a secure electrical setup.

Technical Specifications

• Frame Range: 125 A Frame (EDB‑EGB‑EJB series)
• Product Type: Miniature Circuit Breaker
• Device Short Name: EDB
• Trip Unit: Thermal‑magnetic, 1800 A rating
• Line Rated Current: 45 A
• Voltage Rating: 480Y/277 V AC
• Interrupting Capacity: Up to 25 kA
• Poles: 2 (double pole)
• Mounting Method: Bolt-on
• Electrical Connections: Aluminum lugs
• 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)
• Operating Temperature: Up to 104 °F (40 °C)

Material Compliance and Certifications

• cULus-listed: Meets key global standards for safety and environmental compliance.
• Green Premium label: Free from mercury and meets RoHS and REACh requirements. Built using eco-conscious materials and processes, supporting environmentally responsible installations.

Where It Works Best

• This circuit breaker is especially well-suited to NF‑series panelboards often used in both residential and light commercial environments. It’s a great choice for protecting lighting circuits, HVAC equipment, or other branch circuits that require 45 A, double-pole protection at 480Y/277 VAC. Whether you’re working on a new installation or upgrading an existing electrical panel, the EDB24045 provides reliable performance and peace of mind.