Siemens NGB1B060B - 60 A, 347 V, 1-Pole Bolt-On Circuit Breaker | AmpState

Siemens NGB1B060B delivers reliable branch circuit protection with a purpose-built design for panelboards and load centers. Rated at 60 A and 347 V, this 1-pole bolt-on molded case circuit breaker is engineered to handle both overload and short-circuit events with repeatable precision, ensuring your electrical system stays safe and available when it matters most.

Built for real-world performance, the NGB1B060B blends a secure bolt-on mounting with a rugged bus connection that resists vibration and conductor movement in busy electrical spaces. The thermal-magnetic trip unit provides accurate, instantaneous responses to overloads and faults, reducing nuisance trips while maintaining strong protection for connected circuits.

• Bolt-on mounting for a rigid, vibration-resistant bus connection that stays secure even in demanding installations.
• Thermal-magnetic trip unit delivers stable, repeatable protection against overloads and short circuits.
• OEM compatibility designed to pair with matching Siemens load centers and panelboards for a clean, reliable fit.
• Versatile application suitable for residential, commercial, and light industrial environments where dependable branch-circuit protection is essential.

• Manufacturer: Siemens
• Part Number: NGB1B060B
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 60 A
• Voltage Rating: 347 V
• Number of Poles: 1
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Why choose the Siemens NGB1B060B over other breakers? It combines a robust bolt-on mechanism with a precise thermal-magnetic trip that’s calibrated for consistent performance across temperature variations and loading conditions. This means fewer false trips, quicker response to actual faults, and a safer, more dependable electrical distribution network in everyday commercial and light-industrial settings, where panelboard reliability is non-negotiable.

Ideal for projects that require a single-pole, high-reliability protection device in a 347 V distribution environment, the NGB1B060B is a practical upgrade or replacement part for existing Siemens installations. It’s also a solid choice when upgrading panelboards or integrating new loads into a system that demands secure connections and predictable protection.

Practical tips for use and installation: verify panelboard compatibility with the NGB1B060B, confirm the 60 A rating matches the protected circuit, and follow Siemens installation guidelines for bolt-on mounting to ensure a proper, torque-appropriate connection. For ongoing performance, keep spare NGB1B060B units on hand for expedited maintenance and minimal downtime during servicing.