ED41B045 - 45Amp Circuit Breaker

ED41B045 - 45 Amp Circuit Breaker

The ED41B045 circuit breaker is a dependable 45-amp, single-pole molded case circuit breaker designed to provide safe and consistent circuit protection in commercial and industrial electrical distribution systems. Built in the Sentron-style ED4 frame, this breaker delivers reliable overcurrent protection while maintaining a compact footprint that integrates easily into compatible panelboards and distribution equipment. With interrupting ratings of 22kA at 277VAC and 65kA at 120VAC, the ED41B045 is engineered to help protect circuits from overloads and short circuits in demanding electrical environments.

This bolt-on circuit breaker includes load-side terminals for convenient installation and is designed to operate at 40°C ambient conditions, making it suitable for standard electrical room environments. The HACR rating allows it to be used in heating, air conditioning, and refrigeration applications where dependable circuit protection is essential. In addition, the breaker is suitable for reverse feed, offering installation flexibility for qualified electrical professionals working in complex distribution systems. Whether installed in commercial facilities, industrial control panels, or HVAC equipment, the ED41B045 provides consistent protection and dependable switching performance.

Key Features and Benefits

• 45 Amp Single-Pole Protection – Designed to safeguard branch circuits from overloads and short circuits.
• ED4 Frame Design – Compact molded case format compatible with appropriate Sentron-style panelboards and systems.
• High Interrupting Capacity – Rated 22kA at 277VAC and 65kA at 120VAC for reliable fault interruption.
• Bolt-On Mounting – Provides secure mechanical and electrical connections within compatible equipment.
• HACR Rated – Suitable for heating, air conditioning, and refrigeration equipment applications.
• Includes Load-Side Terminals – Simplifies installation and wiring.
• Reverse Feed Capable – Supports flexible system configuration where reverse feeding is required.
• Designed for 40°C Ambient Operation – Suitable for standard electrical environments in commercial and industrial facilities.

Technical Specifications

• Part Number: ED41B045
  
• Breaker Type: Sentron Style Molded Case Circuit Breaker
  
• Frame Type: ED4
  
• Poles: 1
  
• Amperage Rating: 45A
  
• Voltage Rating / Interrupting Capacity:
  • 22kA @ 277VAC
  • 65kA @ 120VAC
• Mounting Type: Bolt-On
  
• Ambient Temperature Rating: 40°C
  
• HACR Rated: Yes
  
• Reverse Feed: Suitable
  
• Terminals: Load-side terminals included
  
• Approximate Shipping Weight: 1.0 lb
  
• Height: 6.35 in.
  

Material Compliance and Certifications

• Electrical Safety and Performance Standards: The ED41B045 molded case circuit breaker is manufactured to meet applicable electrical safety and performance standards typically required for commercial and industrial circuit protection equipment.
• High-Quality Construction: Molded case breakers of this class are commonly produced using high-quality insulating materials and precision-engineered internal components designed for long service life, dependable trip performance, and consistent operation in demanding electrical systems.
• HACR Rating: The HACR rating confirms suitability for use with heating, air-conditioning, and refrigeration equipment where compliant circuit protection is required.
  

Where It Works Best

• Commercial panelboards and distribution systems
• Industrial electrical control panels
• HVAC equipment and refrigeration systems (HACR applications)
• Lighting and branch circuit protection
• Facility maintenance and electrical system upgrades