ED23B045 - 45Amp Circuit Breaker

ED23B045 - 45Amp Circuit Breaker

Keeping an existing electrical system operating safely often comes down to using the right replacement components. The Siemens ED23B045 molded case circuit breaker is designed as a form, fit, and function replacement for compatible Siemens ED-frame installations, making it an excellent choice when maintaining or repairing legacy power distribution systems. Rated at 45 amps, 3 poles, and 240VAC, this breaker provides dependable circuit protection while helping preserve the original design and compatibility of your electrical equipment.

Installation is straightforward in compatible equipment thanks to its ED frame design and load-side lug configuration (LN1E100). The terminals accept 10 AWG through 1/0 AWG copper or aluminum conductors, giving electricians flexibility when working with existing wiring. Whether you're replacing a worn breaker during scheduled maintenance or restoring equipment to proper working order, the Siemens ED23B045 helps keep your system operating as originally intended without requiring modifications to the panel.

Key Features & Benefits

• Form, fit, and function replacement for compatible Siemens ED-frame systems
• 45 Amp, 3-pole molded case circuit breaker
• Rated for 240VAC applications
• Thermal-magnetic trip unit provides overload and short-circuit protection
• 10 kAIC interrupting capacity at 240VAC
• Includes load-side lugs (LN1E100)
• Accepts 10 AWG to 1/0 AWG copper or aluminum conductors
• Designed for use in commercial, industrial, and institutional electrical distribution systems
• Built to last for dependable service in properly maintained installations
• Meets recognized UL and IEC safety standards

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: ED23B045
  
• Product Type: Molded Case Circuit Breaker
  
• Series: Sentron ED Frame
  
• Frame Type: ED
  
• Amperage: 45 Amps
  
• Poles: 3
  
• Voltage Rating: 240VAC
  
• Interrupting Rating: 10 kAIC at 240VAC
  
• Trip Unit: Thermal-Magnetic
  
• Terminal Type: Load Lugs Only (LN1E100)
  
• Wire Range: 10 AWG – 1/0 AWG (Copper/Aluminum)
  
• Ambient Rating: Standard 40°C
  
• Dimensions: 3 in. W × 6.35 in. H × 3.92 in. D
  
• Weight: 3.62 lbs.
  
• Country of Origin: Mexico
  

Material Compliance and Certifications

The Siemens ED23B045 is manufactured to comply with recognized industry standards and environmental requirements, including:

• UL 489 Listed
• IEC 60947-2 Compliant
• RoHS Compliant (since March 31, 2009)
• REACH Information Available
• WEEE 2012/19/EU Take-Back Obligations Applicable
• Export Classification: EAR99

These certifications help ensure the breaker meets established electrical safety and regulatory requirements for approved applications.

Where It Works Best

The Siemens ED23B045 is well suited for maintaining existing Siemens ED-frame electrical distribution systems in commercial buildings, manufacturing facilities, schools, healthcare facilities, and other industrial environments. It is intended for replacing compatible breakers while preserving the original panel design, electrical ratings, and system configuration.