Siemens | NEB2B125L | Circuit Breaker | 125A | 2-Pole | 600V | Bolt-On

Meet the Siemens NEB2B125L—a durable bolt-on circuit breaker engineered for reliability in commercial and industrial panels. With a 125A rating across two poles and a 600V maximum, this breaker is built to protect high-current circuits where robust performance matters most. Designed for maintenance, retrofit, and replacement projects, it offers a trusted solution when exact compatibility is essential.

• Two-pole, 125A protection—provides synchronized interruption for multi-wire circuits that require balanced, dual-leg protection.
• 600V operating capacity—suitable for demanding electrical distribution environments found in commercial and light industrial settings.
• Bolt-On mounting—delivers a secure, mechanically reliable connection in panels designed for bolt-on breakers.
• Exact compatibility—part number NEB2B125L serves as the best reference for ensuring a proper fit in compatible Siemens installations.
• Maintenance, retrofit, and replacement ready—a practical choice when upgrading or replacing aging protection in existing panels.

Ideal use cases

• Upgrading service panels or distribution boards that require a 125A, 2-pole breaker with bolt-on mounting.
• Replacing a failed or aging Siemens breaker in commercial electrical rooms or industrial equipment enclosures.
• Retrofit projects where maintaining the exact form factor and mounting method is critical for installation continuity.

Important compatibility note — Before ordering, confirm fit and ratings for your panel. The NEB2B125L part number is your most reliable reference to ensure correct mounting interface and electrical specifications.

• Amperage: 125A
• Poles: 2-Pole
• Voltage: 600V
• Mounting: Bolt-On
• Part number: NEB2B125L