NGB1B040, Panelboard Circuit Breaker

NGB1B040 Panelboard Circuit Breaker – Siemens Electrical Distributor Lighting Solutions The Siemens NGB1B040 is a single-pole molded case panelboard circuit breaker designed for low voltage applications. It is rated for 40 amperes at 40°C and operates at 347 Volt AC, 50/60 Hertz. This breaker is suitable for lighting and distribution applications and intended for use in Siemens panelboards and switchboards. It complies with UL 489 and meets REACH, RoHS, and WEEE environmental standards, making it a reliable choice for electrical distributors and switchgear suppliers requiring robust wire and cable protection solutions. Specifications Manufacturer: Siemens Manufacturer Part #: NGB1B040 Current Rating: 40 amperes Number of Poles: 1 Voltage Rating: 347 Volt AC, 50/60 Hz Interrupting Rating: 14 kiloamp RMS symmetrical at 347 Volt AC Application: Lighting, Distribution Panelboard Compatibility: P1, P2, P3, P4, P5 Panelboards UL Approval: UL 489 Compliance: REACH, RoHS, WEEE Frame Type: GB Dimensions: 1 inch width × 2.71 inch depth × 5 inch height Product Weight: 0.8660 lb Features Molded case design with thermal and fixed magnetic trip elements Single-pole configuration for precise circuit protection Standard load-side lugs included for secure wire connections Compatible with Siemens certified panelboards and switchboards only Designed for use with copper and aluminum conductors, supporting wire sizes from 14 to 2/0 AWG depending on amp rating Meets industry standards for electrical safety and environmental compliance Compact size allows efficient panelboard space utilization Downloads & Links Specification/Technical Installation/Operator Catalog Other 1