ED63B045L - 45Amp Circuit Breaker

ED63B045L - 45Amp Circuit Breaker

When dependable circuit protection is essential, the Siemens ED63B045L delivers the form, fit, and functionality needed for compatible electrical distribution systems. This 45 Amp, 3-pole molded case circuit breaker is part of the trusted Siemens SENTRON ED Frame family and is designed to protect electrical equipment against overloads and short circuits using a thermal-magnetic trip unit. Whether you're replacing an existing breaker during maintenance or keeping critical equipment operating as originally designed, the ED63B045L helps maintain the integrity of your electrical system without requiring design changes.

Rated for applications up to 600VAC, this breaker provides an interrupting capacity of 18kAIC at 600VAC and 25kAIC at 480VAC, making it a practical solution for many commercial and industrial power distribution systems.

Key Features and Benefits

• Siemens SENTRON ED Frame molded case circuit breaker
• 45 Amp continuous current rating
• 3-pole configuration for three-phase electrical systems
• Thermal-magnetic trip unit provides dependable overload and short-circuit protection
• Rated for systems up to 600VAC
• 18kAIC interrupting capacity at 600VAC
• 25kAIC interrupting capacity at 480VAC
• Includes factory-installed line and load side lugs (LN1E100)
• Accepts 10 AWG to 1/0 AWG copper or aluminum conductors
• Designed as a form, fit, and functional replacement for compatible Siemens ED Frame installations
• Helps maintain the original design and operation of existing electrical distribution equipment
• Built to last for long-term service in demanding commercial and industrial environments
  

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: ED63B045L
  
• Product Family: SENTRON ED Frame (ED6)
  
• Product Type: Molded Case Circuit Breaker
  
• Current Rating: 45 Amps
  
• Poles: 3
  
• Voltage Rating: 600VAC
  
• Trip Unit: Thermal-Magnetic
  
• Interrupting Rating:
  • 18kAIC @ 600VAC
  • 25kAIC @ 480VAC
• Terminal Type: Line and Load Side Lugs (LN1E100)
  
• Wire Range: 10 AWG–1/0 AWG Copper/Aluminum
  
• Dimensions:
  • Width: 3.00 in.
  • Length: 6.35 in.
  • Depth: 3.92 in.
• Net Weight: 3.77 lb.
  
• Country of Origin: Mexico
  

Material Compliance and Certifications

The Siemens ED63B045L is manufactured to comply with widely recognized electrical and environmental standards, helping ensure compatibility with many commercial and industrial installations.

• UL 489 Listed
• IEC 60947-2 Compliant
• RoHS Compliant
• REACH Article 33 Compliant
• WEEE Directive (2012/19/EU) Compliant
• Export Classification: EAR99

Where It Works Best

The Siemens ED63B045L is commonly used in commercial buildings, manufacturing facilities, institutional campuses, water and wastewater facilities, and industrial plants where compatible Siemens ED Frame circuit breakers are installed. It's well suited for panelboards, switchboards, motor control equipment, distribution panels, and OEM electrical assemblies requiring a 45 Amp, 3-pole, 600VAC molded case circuit breaker. As a form, fit, and functional replacement, it helps keep existing electrical systems operating as originally designed while providing the protection required for everyday operation.