HJD63B250 - 250Amp Circuit Breaker

HJD63B250 - 250Amp Circuit Breaker

When you're replacing a circuit breaker in an existing electrical system, getting the correct specifications and compatibility is essential. The Siemens HJD63B250 molded case circuit breaker is designed for applications that require a 250 amp, 3-pole breaker within the Siemens JD frame family.

Key Features and Benefits

• 250 amp, 3-pole molded case circuit breaker designed for compatible commercial and industrial electrical systems
• Siemens SENTRON JD frame design for applications requiring a matching JD series breaker configuration
• Thermal-magnetic trip unit provides overload and short-circuit protection
• 600V AC voltage rating for properly specified electrical distribution applications
• Load side lugs included for connection in compatible installations

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: HJD63B250
  
• Product Type: Molded Case Circuit Breaker
  
• Frame: JD
  
• Number of Poles: 3
  
• Amperage Rating: 250 Amps
  
• Voltage Rating: 600 VAC
  
• Interrupting Capacity: 35kAIC at 600V / 65kAIC at 480V
  
• Trip Unit: Thermal-Magnetic
  
• Standards: UL 489 / IEC 60947-2
  
• Lug Type: TA2J6500 Load Side Lugs
  
• Copper Wire Range: 3/0 AWG - 500 kcmil
  
• Aluminum Wire Range: 4/0 AWG - 500 kcmil
  
• Dimensions: 7.5 in. W x 11 in. H x 4 in. D
  
• Weight: 11.332 lb
  

Material Compliance and Certifications

The Siemens HJD63B250 is part of the Siemens SENTRON molded case circuit breaker product family and is designed for applications requiring recognized electrical industry standards.

Certifications and standards include:

• • UL 489 — Molded Case Circuit Breakers and Circuit Breaker Enclosures
  • IEC 60947-2 — Low-voltage switchgear and controlgear circuit breaker standard

Where It Works Best

The Siemens HJD63B250 works best in commercial and industrial electrical distribution applications where a matching 250 amp, 3-pole JD frame molded case circuit breaker is required. It is suited for maintenance and replacement applications involving compatible electrical equipment where maintaining the original breaker specifications is important.