ED63B040L - 40Amp Circuit Breaker

ED63B040L - 40Amp Circuit Breaker

When you need a dependable replacement circuit breaker that matches the original equipment, the Siemens ED63B040L is designed to deliver the form, fit, and function your electrical system was built around. This 40 Amp, 3-pole molded case circuit breaker is part of the trusted Siemens SENTRON ED Frame family and is engineered to protect low-voltage electrical distribution systems from overloads and short circuits using a thermal-magnetic trip unit. Whether you're performing routine maintenance on commercial equipment, servicing an industrial facility, or replacing a failed breaker in an existing installation, the ED63B040L helps keep your system operating as intended without requiring modifications.

Key Features and Benefits

• Siemens SENTRON ED Frame molded case circuit breaker
• 40 Amp continuous current rating
• 3-pole configuration for three-phase power distribution
• Thermal-magnetic trip unit provides overload and short-circuit protection
• Rated for applications up to 600VAC
• Interrupting capacity of 18kAIC at 600V and 25kAIC at 480V
• Includes line and 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 systems
• Helps maintain the original design and operation of existing electrical installations
• Built to last for long-term service in compatible power distribution equipment
  

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: ED63B040L
  
• 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 @ 600VAC; 25kAIC @ 480VAC
  
• Terminal Type: Line and Load Side Lugs (LN1E100)
  
• Wire Range: 10 AWG–1/0 AWG Copper/Aluminum
  
• Dimensions:
  • Width: 3 in.
  • Length: 6.35 in.
  • Depth: 3.92 in.
• Net Weight: 3.651 lb.
  
• Country of Origin: Mexico

Material Compliance and Certifications

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

Where It Works Best

The Siemens ED63B040L is commonly found in commercial buildings, industrial facilities, manufacturing plants, and institutional properties where reliable three-phase power distribution is essential. It's an excellent choice for maintaining compatible panelboards, switchboards, control panels, motor control equipment, and other low-voltage electrical distribution systems originally designed for Siemens ED Frame breakers.