HED43B025 - 25Amp Circuit Breaker

HED43B025 - 25Amp Circuit Breaker

The Siemens HED43B025 is a 25 Amp, 3-pole molded case circuit breaker designed for use in 480VAC electrical distribution systems where dependable circuit protection and compatibility with existing Siemens equipment are important. Before installation, verify that the frame size, amperage, voltage rating, interrupting capacity, and terminal configuration match your application's requirements.

Key Features and Benefits

• Siemens SENTRON ED frame molded case circuit breaker
• 25 Amp current rating
• Three-pole design for three-phase electrical systems
• Thermal-magnetic trip unit provides overload and short-circuit protection
• Rated for use on 480VAC systems
• 42kAIC interrupting capacity at 480VAC
• Factory-equipped with load-side lugs (SA1E025)
• Accepts 14–10 AWG copper conductors
• Accepts 12–10 AWG aluminum conductors
• Standard 40°C calibration
• Built to last for long-term service in commercial and industrial environments
  

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: HED43B025
  
• Manufacturer Part Number (MPN): HED43B025
  
• Product Type: Molded Case Circuit Breaker
  
• Series / Frame: SENTRON ED Frame
  
• Amperage: 25 Amps
  
• Poles: 3
  
• Voltage Rating: 480VAC
  
• Trip Unit: Thermal-Magnetic
  
• Interrupting Rating: 42kAIC @ 480VAC
  
• Terminal Configuration: Load Lugs Only (SA1E025)
  
• Copper Wire Range: 14–10 AWG
  
• Aluminum Wire Range: 12–10 AWG
  
• Calibration: 40°C
  
• Dimensions (W × H × D): 3 in. × 6.35 in. × 3.92 in.
  
• Net Weight: 3.699 lbs.
  
• Country of Origin: Mexico
  

Material Compliance and Certifications

The Siemens HED43B025 is manufactured in compliance with UL 489 and IEC 60947-2 standards for molded case circuit breakers. It is RoHS compliant (since April 2, 2009), and REACH Article 33 information is available from the manufacturer.

Where It Works Best

The HED43B025 is intended for 480VAC three-phase electrical distribution systems in commercial, industrial, and institutional facilities. It is commonly installed in compatible Siemens panelboards, switchboards, and other distribution equipment requiring an ED frame, 25 Amp, 3-pole molded case circuit breaker with a 42kAIC interrupting rating.