SIEMENS NGB2B045V Circuit Breaker 45A 2-Pole

The SIEMENS NGB2B045V is a 2-pole circuit breaker designed for use in Siemens panelboards and switchboards. It serves as a reliable protective device for electrical distribution systems, suitable for applications requiring a 45 ampere rating with 480Y/277 volts AC. This breaker is compatible with Siemens certified components and is intended for electrical distributors and switchgear suppliers seeking robust and standardized protection solutions.

Specifications

• Manufacturer: Siemens
• Manufacturer Part Number: NGB2B045V
• Number of Poles: 2
• Rated Current: 45 Amperes
• Voltage Rating: 480Y/277 Volts AC
• Interrupting Rating: 25 kA RMS symmetrical amperes
• Product Weight: 1.563 lbs
• UPC: 783643555235

Features

• Load side lugs supplied as standard ("B" suffix indicates lugged version)
• Compatible with copper and aluminum conductors (wire size range and torque specifications available)
• Global rated for UL, CSA, NOM, and IEC standards
• Includes retainer clips for secure installation
• Designed for use only in Siemens panelboard and switchboard designs
• Requires insulating material with minimum dielectric strength of 600 V/mil when mounted on metal surfaces

Downloads & Links

• Spec Sheet
• Spec Sheet
• Spec Sheet