SIEMENS NGB1C040B BRKR NGB 40A 1P 277V 25K LD LUG 50C

SIEMENS NGB1C040B Molded Case Circuit Breaker 40A 1-Pole 277V The SIEMENS NGB1C040B is a 1-pole molded case circuit breaker designed for panelboard and switchboard applications. It is suitable for electrical distributors and switchgear suppliers requiring reliable overcurrent protection in lighting solutions and wire and cable installations. This breaker supports a continuous current rating of 40 amperes at 277 volts AC and is equipped with load lugs rated for 60/75°C copper or aluminum conductors. Specifications Manufacturer: Siemens Manufacturer Part #: NGB1C040B Number of Poles: 1 Continuous Current Rating: 40A Voltage Rating: 277V AC Interrupting Rating: 25 kA RMS symmetrical amperes at 277V AC Product Weight: 1.676 lbs UPC: 040892058741 Wire Size (Lugs): #14–#6 AWG Copper, #12–#6 AWG Aluminum (60/75°C) Mounting: Panelboard Mount Features Thermal magnetic trip unit for standard 40°C ambient temperature Load and line lugs included as standard HACR rated for use with heating, air conditioning, and refrigeration equipment Compact 1-inch width suitable for space-constrained panelboards Integral with breaker wire connection for easy installation Compatible with Siemens certified components for panelboard and switchboard designs Downloads & Links Spec Sheet Spec Sheet