SIEMENS NGB2B070V Breaker 70A 2-Pole Electrical Distributor

The Siemens NGB2B070V is a 70 amp, 2-pole circuit breaker designed for use in Siemens panelboards and switchboards. It provides reliable overcurrent protection for electrical distribution systems and is suitable for applications requiring robust and certified components from a trusted switchgear supplier. This breaker supports wire and cable connections compatible with copper and aluminum conductors and is engineered to meet UL489 and IEC 60947-2 standards.

Specifications

• Manufacturer: Siemens
• Manufacturer Part Number: NGB2B070V
• Number of Poles: 2
• Ampere Rating: 70 A
• Interrupting Rating: 25 kA RMS symmetrical
• Voltage Rating: 480Y/277 VAC
• Product Weight: 1.5630 lbs
• UPC: 783643555266

Features

• Load side lugs supplied as standard for secure wire connections
• Compatible with copper and aluminum conductors (AWG sizes 14‚Äì2 for 15‚Äì30 A, 8‚Äì2/0 for 35‚Äì125 A)
• Torque specifications for lug connections ensure proper installation: 40 lb-in for #8 AWG, 55 lb-in for #3‚Äì2/0 AWG
• Designed for use exclusively with Siemens certified panelboards and switchboards
• Includes retainer clips for secure mounting
• Meets UL489 and IEC 60947-2 global certification standards
• Installation requires insulation material with minimum dielectric strength of 600 V/mil when mounted on metal surfaces

Downloads & Links

• Spec Sheet
• Spec Sheet
• Spec Sheet