ED41B045 - 45Amp Circuit Breaker

ED41B045 - 45Amp Circuit Breaker

Looking for a reliable circuit breaker that fits seamlessly into your existing electrical system? The Siemens ED41B045 is a 45 Amp, 1-pole molded case circuit breaker designed to provide dependable overcurrent protection for commercial and industrial electrical systems operating at 277VAC. Engineered as a form, fit, and functional replacement for compatible Siemens ED Frame circuit breakers, this unit helps maintain existing installations without requiring modifications to the original equipment. Its thermal-magnetic trip unit responds to both sustained overloads and instantaneous short circuits, helping protect electrical circuits and connected equipment. Rated for 22 kAIC at 277VAC, the ED41B045 is intended for applications requiring this interrupting capacity. Built to last and manufactured to recognized industry standards, the Siemens ED41B045 offers the compatibility and dependable protection needed to help keep electrical distribution systems operating safely and efficiently.

Key Features and Benefits

• 45 Amp, 1-pole molded case circuit breaker for dependable overcurrent protection
• Designed as a form, fit, and functional replacement for compatible Siemens ED Frame breakers
• Thermal-magnetic trip unit helps protect against overloads and short circuits
• Rated for 277VAC commercial and industrial electrical systems
• 22 kAIC interrupting capacity at 277VAC
• Equipped with load-side lugs
• Load wire range: 10–4 AWG copper or aluminum
• Standard ED Frame construction for compatibility with existing Siemens equipment
• Built to last for dependable service in properly maintained electrical systems
• Meets UL 489 and IEC 60947-2 standards
  

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: ED41B045
  
• Product Type: Molded Case Circuit Breaker
  
• Frame Type: ED Frame
  
• Amperage Rating: 45 Amps
  
• Number of Poles: 1
  
• Voltage Rating: 277VAC
  
• Trip Unit: Thermal-Magnetic
  
• Interrupting Capacity: 22 kAIC at 277VAC
  
• Terminal Configuration: Load Lugs
  
• Load Wire Range: 10–4 AWG Copper or Aluminum
  
• Dimensions:
  • Width: 1.00 in.
  • Height: 6.35 in.
  • Depth: 3.92 in.
• Weight: 1.281 lb
  
• UPC: 783643209145
  
• Country of Origin: Mexico
  

Material Compliance and Certifications

The Siemens ED41B045 is manufactured to meet UL 489 and IEC 60947-2 standards for molded case circuit breakers. The product also complies with WEEE (2012/19/EU) take-back obligations and has been compliant with RoHS substance restrictions since March 31, 2009. For proper operation, replacement circuit breakers should always match the original equipment's frame type, amperage rating, voltage rating, interrupting capacity, pole configuration, and terminal arrangement. Installation should be performed by qualified electrical professionals in accordance with the National Electrical Code (NEC) and all applicable local electrical codes.

Where It Works Best

• Commercial lighting systems
• Branch circuit protection
• Office buildings
• Retail facilities
• Educational institutions
• Healthcare facilities
• Industrial distribution systems
• Manufacturing facilities
• Maintenance of compatible Siemens ED Frame equipment
• Installations requiring load-side lug connections