ED63B045 - 45Amp Circuit Breaker

ED63B045 - 45Amp Circuit Breaker

When you need a dependable replacement circuit breaker that matches the original equipment, the Siemens ED63B045 is designed to provide the form, fit, and function your electrical system was built around. This 45 Amp, 3-pole molded case circuit breaker is part of the trusted Siemens SENTRON ED Frame family and features a thermal-magnetic trip unit that helps protect low-voltage electrical distribution systems from overloads and short circuits. Whether you're replacing a breaker during routine maintenance, servicing commercial equipment, or maintaining industrial electrical infrastructure, the ED63B045 is intended for use in compatible Siemens ED Frame applications without requiring modifications. Rated for 600VAC, it offers an interrupting capacity of 18kAIC at 600V and 25kAIC at 480V. This model comes equipped with load-side lugs (LN1E100) and accepts 10 AWG to 1/0 AWG copper or aluminum conductors, making installation straightforward in compatible 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 overload and short-circuit protection
• Rated for applications up to 600VAC
• Interrupting capacity of 18kAIC at 600VAC and 25kAIC at 480VAC
• Includes load-side lugs (LN1E100)
• Accepts 10 AWG to 1/0 AWG copper or aluminum conductors
• Designed for form, fit, and functional replacement in compatible Siemens ED Frame installations
• Helps maintain the original design and operation of existing electrical distribution systems
• Built to last for long-term service in compatible power distribution equipment
  

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: ED63B045
  
• Product Family: SENTRON ED6, ED Frame
  
• Product Type: Molded Case Circuit Breaker
  
• Amperage: 45 Amps
  
• Poles: 3
  
• Voltage Rating: 600VAC
  
• Trip Unit: Thermal-Magnetic
  
• Interrupting Rating: 18kAIC @ 600VAC; 25kAIC @ 480VAC
  
• Terminal Type: Load Side Lugs Only (LN1E100)
  
• Wire Range: 10 AWG–1/0 AWG Copper/Aluminum
  
• Dimensions:
  • Width: 3 in.
  • Length: 6.35 in.
  • Depth: 3.92 in.
• Net Weight: 3.71 lb.
  
• Country of Origin: Mexico

Material Compliance and Certifications

• UL 489 Listed
• IEC 60947-2 Compliant
• RoHS Compliant (since April 2, 2009)
• REACH Article 33 Compliant
• WEEE Directive (2012/19/EU) Compliant
• Export Classification: EAR99

Where It Works Best

The Siemens ED63B045 is commonly used in commercial buildings, industrial facilities, manufacturing plants, and institutional properties where dependable three-phase power distribution is required. It is well-suited for maintaining compatible panelboards, switchboards, control panels, motor control equipment, and other low-voltage electrical distribution systems originally designed for Siemens ED Frame molded-case circuit breakers.