E41B040 - 40Amp Circuit Breaker

E41B040 - 40Amp Circuit Breaker

When you need a 40 amp single-pole circuit breaker that matches the requirements of an existing electrical system, the E41B040 Type E41 Molded Case Circuit Breaker delivers the form, fit, and function needed for compatible installations. Designed with a secure bolt-on mounting configuration, this breaker helps protect branch circuits from overloads and short circuits while fitting properly into equipment designed for Type E41 devices.

Rated for 40 amps and built with a 22kA interrupting capacity at 277VAC and 25kA at 120VAC, the E41B040 is well suited for a variety of commercial and industrial electrical applications. It is also HACR rated, making it appropriate for approved heating, air conditioning, and refrigeration equipment where dependable circuit protection is required.

The included load-side terminals can help simplify installation in compatible systems, while the compact design allows the breaker to fit where space is limited within electrical distribution equipment. Whether you're maintaining a facility, replacing a damaged breaker, or keeping an existing panel operating as intended, the E41B040 provides the electrical ratings and configuration needed for continued service.

Key Features and Benefits

• 40 Amp current rating
• Single-pole molded case circuit breaker
• Type E41 configuration
• Bolt-on mounting design for secure installation
• 22kA interrupting capacity at 277VAC
• 25kA interrupting capacity at 120VAC
• HACR rated for approved HVAC and refrigeration applications
• Includes load-side terminals
• Compact dimensions for installation in compatible equipment
• Designed for form, fit, and functional replacement applications
• Helps protect electrical circuits from overloads and short-circuit conditions
• Built to last when installed and maintained according to applicable requirements

Technical Specifications

• Part Number: E41B040
  
• Type: E41
  
• Product Type: Molded Case Circuit Breaker
  
• Mounting Style: Bolt-On
  
• Amperage: 40A
  
• Poles: 1
  
• A.I.C. Rating: 22kA @ 277VAC
  
• A.I.C. Rating: 25kA @ 120VAC
  
• Temperature Rating: 40°C
  
• HACR Rated: Yes
  
• Terminals: Includes Load-Side Terminals
  
• Width: 1.00 in.
  
• Height: 6.35 in.
  
• Depth: 3.92 in.
  
• Dimensions: 1.00"W x 6.35"H x 3.92"D
  
• Approximate Shipping Weight: 2.50 lbs.
  

Material Compliance and Certifications

• HACR rated for approved heating, air conditioning, and refrigeration applications
• Molded case circuit breaker construction
• Designed for operation within published electrical ratings and specifications
• Suitable for use in compatible equipment where electrical ratings, mounting style, and dimensions match application requirements
• Installation should be performed in accordance with applicable electrical codes, standards, and manufacturer guidelines

Where It Works Best

The E41B040 is commonly used in:

• Commercial electrical distribution systems
• Industrial facilities and manufacturing environments
• HVAC and refrigeration equipment
• Building maintenance and repair projects
• Electrical panels utilizing compatible Type E41 bolt-on breakers
• Branch circuits requiring 40 Amp single-pole protection
• Existing electrical systems where form, fit, and functional compatibility is required
• Facility infrastructure and power distribution applications
• Retrofit and replacement projects involving compatible electrical equipment