SIEMENS NGB2B040 BRKR NGB 40A 2P 480Y 25K NO LUG

SIEMENS NGB2B040 BRKR NGB 40A 2P 480Y 25K Molded Case Circuit Breaker This Siemens NGB2B040 molded case circuit breaker is designed for panelboard mount applications, providing reliable overcurrent protection in electrical distribution systems. It is suitable for use by electrical distributors and switchgear suppliers requiring a 2-pole breaker rated for 40 amps continuous current at 40°C. This breaker supports a 480Y/277V system and is HACR rated with integral load lugs for 60/75°C wire, making it compatible with both copper and aluminum conductors. Specifications Manufacturer: Siemens Manufacturer Part Number: NGB2B040 Number of Poles: 2 Continuous Current Rating: 40A @ 40°C Voltage Rating: 480Y/277V AC Interrupting Rating: 25kA RMS symmetrical amperes Wire Size Compatibility: #14–#6 AWG Copper, #12–#6 AWG Aluminum (Integral Load Lugs) Product Weight: 1.863 lbs UPC: 783643553293 Features HACR rated for heating, air conditioning, and refrigeration applications Integral load lugs included for secure wire connections Designed for use exclusively in Siemens panelboard and switchboard designs Compatible with copper and aluminum conductors rated for 60/75°C UL Listed for reverse feed applications Compact panelboard mount form factor Downloads & Links Spec Sheet Spec Sheet Spec Sheet