SIEMENS NGB2B090B BRKR NGB 90A 2P 480Y 25K LD LUG

SIEMENS NGB2B090B BRKR NGB 90A 2P 480Y 25K LD LUG Molded Case Circuit Breaker The Siemens NGB2B090B is a 2-pole molded case circuit breaker designed for panelboard mounting in electrical distribution systems. It provides reliable overcurrent protection with a continuous current rating of 90 amps at 40°C. This breaker is suitable for use in industrial and commercial lighting solutions, wire and cable management, and as part of switchgear assemblies where high interrupting capacity and safety are required. It is intended for use exclusively with Siemens certified panelboards and switchboards, ensuring compatibility and safety compliance. Specifications Manufacturer: Siemens Manufacturer Part Number: NGB2B090B Number of Poles: 2 Continuous Current Rating: 90 Amps @ 40°C Voltage Rating: 480Y/277 V AC Interrupting Rating: 25 kA RMS symmetrical amperes Product Weight: 39.9 lbs Wire Size Compatibility: #8–1/0 AWG Copper, #8–2/0 AWG Aluminum (integral load lugs included) Mounting Type: Panelboard Mount Features HACR rated for heating, air conditioning, and refrigeration applications Integral load lugs included for 60/75°C wire UL Listed for reverse feed Requires insulating material with minimum dielectric strength of 600 V/mil when mounted on metal surfaces Compatible with Siemens NGB panelboard and switchboard designs only Includes provisions for secure wire connections with recommended torque values for copper and aluminum conductors Complies with UL489 standards for molded case circuit breakers Downloads & Links Spec Sheet Spec Sheet Spec Sheet