Siemens | NGB1B100L | Circuit Breaker | 100A | 1-Pole | 347V

Siemens NGB1B100L Circuit Breaker is an OEM-grade solution designed to protect 347V circuits with precision. With a 100A rating and a single-pole configuration, this breaker is built for maintenance, retrofit, and replacement projects where exact specifications matter, ensuring seamless compatibility with existing Siemens panels and distribution setups.

Key specifications

• Amperage: 100A
• Poles: 1-Pole
• Voltage rating: 347V
• Part number reference: NGB1B100L

Why this matters in real-world setups

In commercial and industrial environments that rely on 347V distribution, a single-pole 100A breaker like the NGB1B100L provides targeted protection for a dedicated circuit. This enables planned maintenance and retrofits without impacting the broader panel, helping you maintain uptime and reliability while staying aligned with the system’s original design intent.

Use cases and practical applications

• Replacement for aging or failed breakers in Siemens panels that require the exact NGB1B100L specification.
• Retrofit projects where fleet-wide panel harmonization is essential, preserving consistent performance across circuits.
• Maintenance scenarios in commercial facilities with 347V distribution needing dependable circuit protection for a specific leg.
• Upgrade or refurbishment workflows that demand an exact part number match to avoid compatibility issues.

Compatibility and ordering notes

Important: Confirm fit and ratings before ordering. The part number is the best reference for compatibility with your Siemens panel or distribution system. When in doubt, cross-check the NGB1B100L against your panel labeling and service documentation to ensure you’re selecting the correct form factor and rating for your installation.