ED23B040 - 40Amp Circuit Breaker

ED23B040 - 40Amp Circuit Breaker

The Siemens ED23B040 is a 40 Amp, 3-pole molded case circuit breaker built for dependable protection in compatible Siemens ED-frame electrical distribution systems. If you're maintaining an existing commercial or industrial electrical system, finding the correct replacement matters—and this breaker is designed to match the original form, fit, and function of compatible Siemens Sentron installations. Whether you're replacing a breaker during scheduled maintenance or getting equipment back online after a fault, the ED23B040 helps keep your system operating as intended without requiring modifications to your existing setup.

Inside, the ED23B040 uses a thermal-magnetic trip unit that responds to both prolonged overloads and sudden short circuits, helping protect connected equipment and electrical circuits. Rated for 40 Amps, 240 VAC, and 10 kAIC at 240 VAC, it's well suited for a variety of low-voltage power distribution applications.

Key Features and Benefits

• Designed as a form, fit, and functional replacement for compatible Siemens ED-frame systems
• 40 Amp, 3-pole molded case circuit breaker configuration
• Thermal-magnetic trip unit for overload and short-circuit protection
• Rated for 240 VAC electrical systems
• 10 kAIC interrupting capacity at 240 VAC
• Includes load-side lugs (LN1E100) for secure conductor termination
• Accepts 10 AWG to 1/0 AWG copper or aluminum wiring
• Built for compatibility with existing Siemens Sentron ED-frame installations
• Intended for maintenance and repair of established electrical distribution systems
• Designed to last for dependable service in properly maintained environments

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: ED23B040
  
• Manufacturer Part Number (MFN): ED23B040
  
• Product Type: Molded Case Circuit Breaker
  
• Product Family: ED2 10 kAIC, 240 VAC
  
• Frame Type: ED Frame
  
• Amperage Rating: 40 Amps
  
• Number of Poles: 3
  
• Voltage Rating: 240 VAC
  
• Interrupting Rating: 10 kAIC at 240 VAC
  
• Trip Unit: Thermal-Magnetic
  
• Terminal Type: Load Lugs Only (LN1E100)
  
• Wire Range: 10 AWG – 1/0 AWG (Copper/Aluminum)
  
• Standard Ambient Rating: 40°C (104°F)
  
• Dimensions: W × H × D: 3.00 in × 6.35 in × 3.92 in
  
• Net Weight: 3.699 lb
  
• Country of Origin: Mexico
  
• Commodity Code: 8536200020
  
• Product Lifecycle Status: Active Product
  

Material Compliance and Certifications

• Certified to UL 489 requirements
• Complies with IEC 60947-2 standards
• RoHS compliant (since 10/10/2008)
• REACH Article 33 information available from the manufacturer
• WEEE (2012/19/EU) take-back obligations apply where applicable
• Export Classification: EAR99
• Manufactured in accordance with Siemens electrical safety and quality standards
  

Where It Works Best

The Siemens ED23B040 is intended for use in compatible low-voltage power distribution systems requiring a 40 Amp, 3-pole ED-frame molded case circuit breaker. It is commonly installed in commercial buildings, industrial facilities, and institutional electrical systems that utilize Siemens Sentron equipment. Ideal for maintaining existing panelboards, switchboards, and other electrical distribution equipment, this breaker helps preserve the original equipment configuration while providing dependable overload and short-circuit protection in applications where compatibility is essential.