SIEMENS NGB2B070BNAV Molded Case Circuit Breaker 70A 2-Pole

The SIEMENS NGB2B070BNAV is a 70 amp, 2-pole molded case circuit breaker designed for panelboard and switchboard applications. This breaker is suitable for use by electrical distributors and switchgear suppliers providing reliable overcurrent protection in commercial and industrial electrical systems. It is intended for use with Siemens certified components, ensuring compatibility and safety in electrical installations.

Specifications

• Manufacturer: Siemens
• Manufacturer Part Number: NGB2B070BNAV
• Number of Poles: 2
• Continuous Current Rating: 70A @ 40¬∞C
• Interrupting Rating: 25 kA at 480Y volts (according to NGB/NGG frame ratings)
• Panelboard Mount Type: NGB Frame
• Product Weight: 2.756 lbs
• UPC: 040892165029
• Wire Size Compatibility: Copper/Aluminum wire, 60/75¬∞C rating
• Terminal Torque: Line terminal screw recommended 10-32 washer head, torque 18-23 lb-in
• Dimensions: Width approximately 2 inches (1 inch per pole), Depth approx. 2.9 inches (from catalog reference)

Features

• Thermal-magnetic trip unit providing standard 40¬∞C ambient protection
• Load and line lugs included as standard for copper and aluminum conductors
• HACR rated for use with heating, air conditioning, and refrigeration equipment
• Designed for use exclusively in Siemens panelboards and switchboards
• Includes insulating requirements for mounting on metal surfaces to ensure dielectric strength
• Compatible with Nut Keeper Kit TNKG3 for secure wire connections
• Meets UL 489 and CSA standards for molded case circuit breakers

Downloads & Links

• Spec Sheet
• Spec Sheet