HED42B050L - 50Amp Circuit Breaker

HED42B050L - 50Amp Circuit Breaker

The Siemens HED42B050L is a 50 Amp, 2-pole thermal magnetic circuit breaker built for Siemens SENTRON ED frame electrical systems. This breaker is commonly used when an existing installation requires a matching replacement that keeps the same breaker style, ratings, and wiring arrangement. When you're working on established electrical equipment, small details matter — the correct frame type, amp rating, voltage rating, pole count, and lug configuration all need to match.

Key Features and Benefits

• 50 Amp two-pole Siemens ED frame circuit breaker
• Thermal magnetic trip protection for overloads and short circuits
• 480V circuit breaker rating
• Line and load side lug connections
• Accepts #10–1/0 AWG copper conductors
• Accepts #10–1/0 AWG aluminum conductors
• Siemens SENTRON molded case breaker design
• Meets UL 489 and IEC 60947-2 standards

Technical Specifications

• Catalog Number: HED42B050L
  
• Product Type: Molded case circuit breaker
  
• Frame Type: ED Frame
  
• Amperage Rating: 50 Amps
  
• Voltage Rating: 480V
  
• Poles: 2
  
• Trip Unit: Thermal magnetic
  
• Interrupt Rating: 42kAIC at 480V
  
• Terminal Configuration: Line and load side lugs
  
• Wire Range: #10–1/0 AWG CU/AL
  
• Mounting Style: Panelboard mount
  
• Dimensions: 2 in W x 6.35 in H x 3.92 in D
  
• Weight: 2.712 lb
  
• UPC: 783643090200
  
• Country of Origin: Mexico
  

Material Compliance and Certifications

The Siemens HED42B050L is designed to meet UL 489 and IEC 60947-2 standards for molded case circuit breakers.

Where It Works Best

• Siemens ED frame panelboards and compatible electrical equipment
• 480V two-pole circuit applications
• Commercial and industrial electrical distribution systems
• Electrical repair and maintenance projects
• Compatible Siemens HED series breaker replacements