Siemens HGB2B015B - 15 A, 600 V, 2-Pole Bolt-On Circuit Breaker | AmpState

The Siemens HGB2B015B is a dependable 15A, 600V, 2-pole bolt-on molded case circuit breaker designed to protect branch circuits in panelboards and load centers. Built for consistent performance, it delivers reliable overcurrent and short-circuit protection where it matters most.

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, helping maintain a stable electrical contact even in demanding environments.
• Thermal-magnetic trip unit delivers stable, repeatable protection by combining temperature-based overload sensing with rapid magnetic response to short circuits.
• 2-pole design ensures simultaneous disconnection on both conductors, enhancing safety and system protection.
• OEM-compatible with matching Siemens panelboards and load centers, ensuring proper fit, electrical characteristics, and reliable operation.
• Versatile application suited for residential, commercial, and light industrial settings, delivering dependable protection where circuits are exposed to varying loads.

Ideal use cases

• Replacing aging breakers in existing Siemens panelboards to restore reliable protection.
• Installing in new projects that utilize Siemens OEM load centers and panelboards for seamless compatibility.
• Enclosures subject to vibration or movement where a secure bolt-on connection helps maintain consistent performance.

Why this breaker matters for your electrical system

The HGB2B015B combines a sturdy mechanical mounting with a precise protective mechanism. The bolt-on design minimizes loose connections that can cause heat buildup, while the thermal-magnetic trip unit responds quickly to short circuits, reducing the risk of further damage and improving overall electrical safety. With a 15A rating, it protects everyday circuits without nuisance trips, while the 600V rating supports broader compatibility in mixed electrical environments.

Technical specifications

• Manufacturer: Siemens
• Part Number: HGB2B015B
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 15A
• Voltage Rating: 600V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Choose the Siemens HGB2B015B when you need a compact, reliable bolt-on breaker that aligns with Siemens panelboards, delivers solid protection, and stands up to the demands of residential, commercial, and light industrial electrical systems.