Siemens HGB2B025B - 25 A, 600 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Siemens HGB2B025B is a 25A, 600V, 2-pole bolt-on molded case circuit breaker engineered for dependable branch-circuit protection in panelboards and loadcenters. Its robust bolt-on mounting delivers a rigid, vibration-resistant connection to the bus, helping maintain solid electrical contact even in demanding environments.

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection that stays tight through ongoing operation and routine maintenance.
• Thermal-magnetic trip unit delivers stable, predictable protection by combining thermal overload sensing with magnetic short-circuit interruption for fast, reliable response to fault conditions.
• 2-pole design ensures simultaneous disconnection of both conductors, safeguarding multi-wire circuits and enhancing overall fault isolation.
• OEM compatibility is designed to be compatible with matching Siemens OEM load centers and panelboards for clean fitment and consistent performance.
• Versatile installation suitable for residential, commercial, and light industrial applications where dependable branch circuit protection is required.

Technical snapshot

• Amperage Rating: 25A
• Voltage Rating: 600V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Type: Thermal-magnetic molded case circuit breaker

Ideal use cases

• Replacing a failed or outdated breaker in Siemens panelboards or compatible OEM load centers to restore reliable circuit protection.
• Upgrading branch-circuit protection for lighting, outlets, or small equipment circuits in residential setups, commercial spaces, or light industrial environments.
• Installing a compact, durable two-pole solution in new or retrofit projects where a secure bolt-on connection and precise trip performance are priorities.

Why this breaker stands out: it combines a secure mechanical mount with a precise thermal-magnetic trip scheme, delivering consistent protection across a range of temperatures and fault conditions. When you need a dependable, easy-to-install 2-pole solution that aligns with Siemens panel systems, the HGB2B025B is engineered to perform without compromise.