ED42B025L - 25Amp Circuit Breaker

ED42B025L - 25Amp Circuit Breaker

Need a dependable way to keep your electrical system protected and operating efficiently? The Siemens ED42B025L is a 25 Amp, 2-pole molded case circuit breaker designed to deliver consistent, reliable performance in commercial and industrial settings. Built for seamless compatibility with Siemens ED-frame equipment, this breaker makes replacing an existing unit simple—no panel modifications required. Whether you're performing routine maintenance or bringing an older system back online, the ED42B025L offers a practical and straightforward solution.

What makes this breaker stand out is its thermal magnetic trip unit, which provides dual protection against both overloads and short circuits. It also includes line and load-side lug terminals (SA1E025) for flexible installation and supports 14–10 AWG copper or 12–10 AWG aluminum conductors. Designed with durability and compatibility in mind, the Siemens ED42B025L helps you maintain your system with confidence.

Key Features and Benefits

• 25 Amp, 2-pole Siemens ED frame molded case circuit breaker
• Thermal magnetic trip unit for dependable overload and short-circuit protection
• Rated for 480V AC commercial and industrial applications
• 18kA interrupting capacity (18kAIC) at 480V AC
• Includes line and load-side lug terminals (SA1E025) for flexible installation
• Compatible with 14–10 AWG copper or 12–10 AWG aluminum conductors
• Designed to fit Siemens ED-frame panel equipment
• Ideal as a form, fit, and functional replacement for existing breakers
• Helps maintain system integrity without panel modifications
• Built for long-term, reliable performance
  

Technical Specifications

• Catalog Number: ED42B025L
  
• Manufacturer: Siemens
  
• Product Type: Molded Case Circuit Breaker
  
• Frame Type: ED
  
• Trip Unit: Thermal Magnetic
  
• Amperage Rating: 25 Amps
  
• Voltage Rating: 480V AC
  
• Poles: 2
  
• Interrupt Rating: 18 kAIC at 480V AC
  
• Terminal Type: Line and Load Lug Terminals (SA1E025)
  
• Wire Range: 14–10 AWG Copper / 12–10 AWG Aluminum
  
• Operating Temperature Reference: Standard 40°C Breaker
  
• Dimensions: 2.00 in. W × 6.35 in. H × 3.92 in. D
  
• Weight: 2.712 lb
  
• Product Family: ED4 18kAIC, 480VAC
  
• Country of Origin: Mexico
  

Material Compliance and Certifications

• The Siemens ED42B025L meets recognized safety and performance standards, including UL 489 and IEC 60947-2 for molded case circuit breakers. It is also subject to WEEE (2012/19/EU) take-back requirements where applicable, and Siemens provides REACH Article 33 information for this product.
• For safe and proper installation, always ensure work is completed by qualified electrical professionals in accordance with the National Electrical Code (NEC) and local regulations.
  

Where It Works Best

• Siemens ED-frame panelboards and distribution systems
• Commercial electrical installations
• Industrial power distribution panels
• 480V AC branch circuit protection applications
• Replacement of existing Siemens ED-frame circuit breakers
• Manufacturing facilities and commercial buildings
• Projects requiring a 25 Amp, 2-pole molded case breaker
• Applications where maintaining equipment compatibility is essential