Siemens HGB2B050B - 50 A, 600 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Meet the Siemens HGB2B050B — a 50A, 600V, 2-pole bolt-on molded case circuit breaker designed to deliver dependable branch-circuit overcurrent and short-circuit protection in panelboards and load centers.

• Secure bolt-on mounting: a rigid, vibration-resistant bus connection that stays solid under demanding conditions.
• Thermal-magnetic trip: combines thermal and magnetic sensing for stable, repeatable protection across temperature swings and surge events.
• OEM-compatible: engineered to pair with matching Siemens load centers and panelboards for a seamless fit and reliable performance.
• Versatile environments: ideal for residential service panels, commercial equipment rooms, and light industrial subpanels requiring dependable branch-circuit protection.

The 50A rating ensures protection tailored to mid-range branch circuits, while the 600V rating supports the voltages common in commercial and light industrial applications. The 2-pole configuration provides simultaneous disconnect across both conductors, helping reduce fault risk and enhance safety.

Specifications at a glance

• Amperage rating: 50 A
• Voltage rating: 600 V
• Number of poles: 2-pole
• Mounting style: Bolt-on
• Type: Thermal-magnetic molded case circuit breaker

Designed for use with matching OEM Siemens load centers and panelboards, the HGB2B050B ensures a precise fit and dependable connection to bus bars. This makes it an excellent choice when upgrading or expanding panel capacity within Siemens installations—delivering reliable protection where you need it most.

Ideal for residential service panels needing solid 50 A protection, commercial subpanels powering lighting and outlets, and light industrial control panels where mounting stability and consistent trip performance matter. Choose the Siemens HGB2B050B for a purpose-built solution that protects circuits, simplifies installation, and integrates smoothly with your Siemens panel ecosystem.