Siemens | NGB1K025B | Circuit Breaker | 25A | 1-Pole | 347V | Bolt-On

Meet the Siemens NGB1K025B, a purpose-built 25-amp, 1-pole circuit breaker designed for 347-volt systems. Built to withstand the rigors of commercial and industrial panels, this bolt-on unit delivers dependable overcurrent protection while enabling straightforward maintenance, retrofit, and replacement projects.

• Amperage: 25A
• Poles: 1-Pole
• Voltage: 347V
• Mounting: Bolt-On
• Part number: NGB1K025B

Why choose the Siemens NGB1K025B for your panel

Authentic Siemens reliability paired with a bolt-on design means secure, vibration-resistant connections ideal for equipment rooms, switchgear, and service panels. The bolt-on mounting not only simplifies installation but also enhances long-term retention in environments where panels experience movement or vibration. Use this breaker for projects where exact spec matching is essential—347V single-pole protection with clear amperage rating ensures you’re safeguarding circuits precisely where they need it.

Ideal use cases

• Maintenance and repairs on Siemens-based electrical systems that require a matching NGB1K025B specification.
• Retrofits in commercial or industrial panels upgrading to or incorporating 347V single-pole protection.
• Replacement of aging breakers where the NGB1K025B part number provides the most accurate compatibility reference.

Installation and compatibility tips

• Always confirm fit and ratings before ordering to ensure seamless integration with your panel.
• Use the part number NGB1K025B as the best reference for compatibility and ordering accuracy.
• Consider the bolt-on mounting when planning installation in panels that benefit from a secure, chassis-mounted connection.

Practical insight for better protection

Choosing a breaker with the exact amperage, pole count, and voltage ensures precise protection against overloads and short circuits in your 347V circuits. The Siemens NGB1K025B is especially suited for retrofit projects or replacements where maintaining electrical safety standards while minimizing downtime is a priority.

Engineered for reliability, backed by Siemens quality, and tailored for 347V single-pole circuits, this bolt-on breaker is a thoughtful choice for professionals aiming for robust, long-lasting overcurrent protection in demanding electrical environments.