HEB-3-B125B, Panelboard Circuit Breaker

HEB-3-B125B Panelboard Circuit Breaker – Molded Case Circuit Breaker The Siemens HEB-3-B125B is a 3-pole panelboard circuit breaker designed for reliable electrical distribution and protection in commercial and industrial applications. This molded case circuit breaker is suitable for use by electrical distributors and switchgear suppliers requiring robust protection for wire and cable installations. It supports continuous current ratings up to 125 amperes and is HACR and SWD rated, ensuring compatibility with HVAC and lighting solutions. Specifications Manufacturer: Siemens Manufacturer Part #: HEB3B125B Number of Poles: 3 Current Rating: 125 amperes Product Weight: 2.5130 lbs Interrupting Rating (UL489/CSA, RMS symmetrical amperes): 100 kA at 240 VAC, 65 kA at 480 VAC Mounting Type: Panelboard Mount Load Lugs: Included as standard Wire Size Compatibility: #6–3/0 AWG for 110–125A rating (kit of 3 lugs, catalog 3TA1EG30) Torque Requirements: 50 lb. in. (5.6 Nm) for wire connectors Features HACR rated for HVAC equipment SWD rated for lighting and appliance branch circuit protection Push-to-trip mechanism for manual testing Compact design suitable for panelboard integration Compatible with Siemens EB frame and accessories UL 489 and IEC 60947-2 compliant Supports copper and aluminum wiring per UL 486A-486B standards Downloads & Links Spec Sheet Spec Sheet