HND63B900 - 900Amp Circuit Breaker

HND63B900 - 900Amp Circuit Breaker

The HND63B900 Siemens Sentron molded-case circuit breaker is a 900-amp, three-pole breaker designed for your electrical distribution systems where maintaining the correct breaker specifications and installation configuration is important. This ND frame circuit breaker uses a thermal-magnetic trip unit. It is commonly used in commercial and industrial applications that require protection against overloads and short-circuit conditions while maintaining the existing equipment arrangement.

Key Features and Benefits

• 900 Amp three-pole molded case circuit breaker
• Thermal magnetic trip unit for overload and short-circuit protection
• ND frame design for compatible replacement applications
• Rated for 600VAC systems
• Includes load-side lugs
• TA4N8500 lug configuration
• Accepts 250–500 kcmil copper or aluminum conductors
• Meets UL 489 and IEC 60947-2 standards
• Designed for commercial and industrial electrical distribution systems
• Helps maintain existing breaker form, fit, and functional requirements
  

Technical Specifications

• Catalog Number: HND63B900
  
• Manufacturer: Siemens
  
• Product Type: Molded Case Circuit Breaker
  
• Frame Type: ND
  
• Amperage Rating: 900 Amps
  
• Voltage Rating: 600VAC
  
• Poles: 3
  
• Trip Type: Thermal Magnetic
  
• Interrupt Rating:
  • 50kAIC at 600VAC
  • 65kAIC at 480VAC
• Standards: UL 489 / IEC 60947-2
  
• Lugs: Load Side Lugs Included
  
• Lug Type: TA4N8500
  
• Wire Range: 250–500 kcmil CU/AL
  
• Dimensions: 9"W x 16"H x 6"D
  
• Product Weight: 64.684 lbs
  
• UPC: 783643215627
  
• Product Family: HND6, 50kAIC, 600VAC
  
• Country of Origin: Mexico
  

Material Compliance and Certifications

The HND63B900 Siemens Sentron molded-case circuit breaker is manufactured to meet the UL 489 and IEC 60947-2 standards. It is intended for use in compatible electrical distribution equipment in which the breaker frame, voltage rating, interrupting capacity, lug configuration, and installation requirements match those of the existing system.

Installation should be performed by qualified electrical personnel and completed in accordance with applicable electrical codes, safety practices, and manufacturer guidelines.

Where It Works Best

• Siemens Sentron electrical distribution equipment
• Industrial power distribution systems
• Commercial electrical installations
• Existing ND frame breaker applications
• Feeder circuit protection applications
• Systems requiring a 900 Amp three-pole breaker
• Applications requiring thermal magnetic overload and short-circuit protection
• Equipment requiring factory-installed load lugs
• Maintenance and replacement projects where matching existing breaker specifications is important