SIEMENS NGB1B040BNAV Breaker 40A Molded Case Circuit Breaker

The Siemens NGB1B040BNAV is a 1-pole, 40-amp molded case circuit breaker designed for panelboard mounting in electrical distribution systems. It is suitable for use by electrical distributors and lighting solutions providers requiring reliable circuit protection in commercial and industrial applications. This breaker supports wire and cable connections with standard lug terminations and is part of Siemens' NGB frame family, offering thermal-magnetic trip functionality with a 14kA interrupting rating at 240V AC.

Specifications

• Manufacturer: Siemens
• Manufacturer Part #: NGB1B040BNAV
• Number of Poles: 1
• Continuous Current Rating: 40 Amperes @ 40¬∞C
• Interrupting Rating: 14kA at 240V AC
• Mounting Type: Panelboard Mount
• Product Weight: 1.6760 lbs
• Wire Size Compatibility: #14‚Äì#6 AWG Copper, #12‚Äì#6 AWG Aluminum (60/75¬∞C)
• Dimensions (HxWxD): Approximately 3.12 in x 1.00 in x 2.69 in
• UPC: 040892164831

Features

• Thermal-magnetic trip unit for reliable overcurrent protection
• Load and line lugs included as standard for easy wiring
• HACR rated for use with heating, air conditioning, and refrigeration equipment
• Designed for use exclusively with Siemens panelboards and switchboards
• Insulation requirements include dielectric strength of 600 V/mil when mounted on metal surfaces
• Compatible with Nut Keeper Kit TNKG3 for secure terminal connections
• Complies with CSA and UL standards for safety and performance

Downloads & Links

• Spec Sheet
• Spec Sheet