ED63B040 - 40Amp Circuit Breaker

ED63B040 - 40Amp Circuit Breaker

When you need a replacement breaker that matches the original system design, the Siemens ED63B040 delivers the form, fit, and function required for existing Siemens electrical installations. This 40 Amp, 3-pole molded case circuit breaker is part of the Siemens SENTRON ED Frame family and is designed for 600VAC low-voltage distribution systems. Equipped with a thermal-magnetic trip unit, it helps protect electrical circuits from overloads and short circuits while meeting the requirements of UL 489 and IEC 60947-2. Rated for 18kA interrupting capacity at 600V and 25kA at 480V, the ED63B040 is well suited for maintaining commercial and industrial electrical systems where compatibility is essential.

Key Features and Benefits

• Siemens SENTRON ED Frame molded case circuit breaker
• 40 Amp continuous current rating
• 3-pole configuration for three-phase electrical systems
• Thermal-magnetic trip unit provides overload and short-circuit protection
• Rated for 600VAC applications
• Interrupting capacity of 18kAIC at 600V and 25kAIC at 480V
• Includes load-side lugs (LN1E100)
• Accepts 10 AWG to 1/0 AWG copper or aluminum conductors
• Designed for direct compatibility with Siemens ED Frame installations
• Helps preserve the original electrical system design during maintenance and replacement projects
• Built to last for continued service in existing electrical distribution systems
  

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: ED63B040
  
• Product Family: SENTRON ED6, ED Frame
  
• Product Type: Molded Case Circuit Breaker
  
• Amperage: 40 Amps
  
• Poles: 3
  
• Voltage Rating: 600VAC
  
• Trip Unit: Thermal-Magnetic
  
• Interrupting Rating: 18kAIC @ 600V; 25kAIC @ 480V
  
• Terminal Type: Load 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: 3.668 lb.
  
• Country of Origin: Mexico

Material Compliance and Certifications

• UL 489 Listed
• IEC 60947-2 Compliant
• RoHS Compliant (since October 10, 2008)
• WEEE Directive (2012/19/EU) Compliant
• REACH Article 33 Compliant
• Export Classification: EAR99

Where It Works Best

The Siemens ED63B040 is intended for use in commercial, industrial, and institutional electrical distribution systems that utilize Siemens SENTRON ED Frame circuit breakers. It is an excellent choice for maintenance, repair, and replacement applications where maintaining the original equipment configuration is important. Whether servicing switchboards, panelboards, control equipment, or other low-voltage power distribution systems, this breaker provides the appropriate electrical ratings and physical compatibility to support existing installations without requiring modifications to surrounding equipment.