Siemens NGB2B015B - 15 A, 600 V, 2-Pole Bolt-On Circuit Breaker | AmpState

The Siemens NGB2B015B is a sturdy 2-pole bolt-on molded case circuit breaker engineered to protect your electrical system with precision. At 15A and 600V, it’s purpose-built for reliable branch circuit overcurrent and short-circuit protection in panelboards and load centers, delivering safety and continuity where it matters most.

Why this breaker stands out:

• Secure bolt-on mounting provides a rigid, vibration-resistant connection to the bus, helping prevent loose terminations and intermittent trips in demanding environments.
• Thermal-magnetic trip unit delivers stable, repeatable protection by accurately responding to both sustained overloads and instantaneous short circuits.
• OEM panel compatibility is designed to work with matching Siemens panelboards and OEM load centers, making it a dependable component for upgrades or replacements.
• Versatile application suitable for residential, commercial, and light industrial settings, handling a wide range of branch circuits with confidence.
• Durable molded-case design built to withstand daily operation and provide long-lasting protection in distribution panels.

Technical Details

• Manufacturer: Siemens
• Part Number: NGB2B015B
• 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

In practice, this breaker is ideal when you’re upgrading a panel that demands a secure, bolt-on solution or replacing a worn unit in a Siemens-compatible load center. The combination of a robust bolt-on mount and a precise thermal-magnetic trip means you get dependable protection, minimal maintenance, and peace of mind for everyday power distribution across your home, business, or light industrial space.