SIEMENS NGB1B125BNAV Breaker 125A Molded Case Circuit Breaker

The SIEMENS NGB1B125BNAV is a single-pole molded case circuit breaker designed for panelboard and switchboard applications. As an essential component for electrical distributors and lighting solutions providers, this breaker offers reliable protection for electrical circuits with a continuous current rating of 125 amperes and a 14kA interrupting capacity. It features load and line lugs suitable for copper and aluminum wiring, making it compatible with a variety of wire and cable installations.

Specifications

• Manufacturer: Siemens
• Manufacturer Part #: NGB1B125BNAV
• Number of Poles: 1
• Continuous Current Rating: 125 A @ 40¬∞C
• Interrupting Capacity: 14 kA (UL 489 RMS symmetrical amperes)
• Voltage Rating: 120/240 VAC, 125/250 V DC
• Mounting: Panelboard Mount (NGB Frame)
• Weight: 1.6760 lbs
• Wire Size Compatibility: #8 AWG to 1/0 AWG Copper, #8 AWG to 2/0 AWG Aluminum (for 35‚Äì125A range)

Features

• Thermal-magnetic trip unit providing standard 40¬∞C ambient protection
• Load and line lugs included as standard for secure wire connections
• HACR rated for use with heating, air conditioning, and refrigeration equipment
• Compatible with Siemens certified components for panelboard and switchboard designs
• Compact 1-inch width per pole for efficient use of panel space
• Designed for use with 60/75¬∞C rated copper and aluminum conductors
• Includes nut keeper plate accessory option for crimp terminals

Downloads & Links

• Spec Sheet
• Spec Sheet