SIEMENS NGB3B125V Circuit Breaker 125A 3-Pole

The SIEMENS NGB3B125V is a 3-pole circuit breaker designed for use in Siemens panelboard and switchboard applications. It provides reliable overcurrent protection with a 125 ampere rating and is suitable for electrical distributors and switchgear suppliers requiring robust and certified components. This breaker supports 480Y/277 volts AC and includes load-side lugs as standard, facilitating secure wire and cable connections.

Specifications

• Manufacturer: Siemens
• Manufacturer Part #: NGB3B125V
• Number of Poles: 3
• Ampere Rating: 125 A
• Voltage Rating: 480Y/277 VAC
• Interrupting Rating: 25 kA RMS symmetrical amperes
• Product Weight: 2.3810 lbs
• UPC: 783643555464

Features

• Load-side lugs supplied as standard for secure connections
• Compatible exclusively with Siemens certified panelboard and switchboard designs
• UL489 and IEC 60947-2 compliant for global safety standards
• Supports copper and aluminum wiring with specified torque settings
• Includes retainer clips for installation stability
• Designed for use with 60/75¬∞C rated wire

Downloads & Links

• Spec Sheet
• Spec Sheet
• Spec Sheet