BRKR NGB 40A 3P 480Y 25K LD LUG

BRKR NGB 40A 3P 480Y 25K LD LUG Circuit Breaker The Siemens BRKR NGB 40A 3P is a low voltage molded case circuit breaker designed for panelboard mounting. It features a thermal-magnetic trip mechanism and is UL listed under the NGB frame with a standard breaking capacity suitable for electrical distributors and switchgear suppliers. This 3-pole breaker is rated for 40 amps and supports wire ranges from 8 AWG to 1/0 AWG for copper or aluminum conductors, making it suitable for various lighting solutions, wire and cable installations, and electrical distribution applications. Specifications Manufacturer: Siemens Manufacturer Part #: NGB3B040B Continuous Current Rating: 40A Number of Poles: 3 Interrupting Capacity: 14 kAIC at 600Y/347V, 25 kAIC at 480Y/277V Wire Range: 8 AWG to 1/0 AWG (Cu/Al) Mounting: Panelboard mount, load side lugs only (TC1GG20) Dimensions (W x H x D): 4.05 in x 6.95 in x 4.75 in Product Weight: 2.65 lbs Country of Origin: Mexico Features Thermal-magnetic trip for reliable circuit protection UL listed for safety and compliance Standard breaking capacity suitable for typical commercial and industrial panelboards Load side lugs only for secure wire termination Compatible with Siemens panelboards and switchboards Supports copper and aluminum conductors Compact size for efficient panelboard installation Downloads & Links Spec Sheet Spec Sheet