Siemens NEB3B100 100A 3P 600V Circuit Breaker, Bolt-On | AmpState

Siemens NEB3B100 is a 100 A, 3-pole, 600 V bolt-on circuit breaker designed to deliver dependable protection within panelboards, load centers, and broader electrical distribution networks. Built for reliability in demanding industrial and commercial environments, this unit keeps your system safe while aligning with established Siemens components.

Whether you’re upgrading an existing installation or planning maintenance, the NEB3B100 excels in retrofit scenarios where the exact part number must remain consistent for service records and supply chain planning. The bolt-on design provides a secure, straightforward installation that minimizes downtime during panel work and reduces the complexity of field retrofits.

• Bolt-On Mounting for fast, secure attachment in compatible Siemens panels and distribution equipment.
• Three-Phase Protection with 3 poles to safeguard 3P, 4-wire systems common in commercial and light-industrial settings.
• 100 A Rating suitable for main or branch-circuit protection in 600 V systems, helping to manage electrical load safely.
• Part Number Consistency ideal for retrofit work and maintenance planning where keeping NEB3B100 helps preserve documentation and compatibility.
• Siemens Quality backed by a legacy of engineering precision in electrical distribution protection.
• Availability through AmpState, making it easier to source the exact component you need.

Key Specifications

• Part Number: NEB3B100
• Amperage: 100 A
• Poles: 3
• Voltage: 600 V
• Mounting: Bolt-On
• Product Type: Circuit Breaker

Ideal Use Scenarios

• Retrofit projects in existing panelboards or load centers where the NEB3B100 part number must be retained for maintenance compatibility.
• Three-phase protection in commercial or industrial electrical distributions running up to 600 V
• Maintenance planning and spares optimization for service teams that manage Siemens-based installations

Why Choose This Siemens Breaker

Choosing the NEB3B100 means leaning on a trusted, established design for reliable three-phase protection. Its bolt-on installation reduces on-site downtime, while the 100 A rating provides solid protection against overcurrents in medium-scale electrical systems. By sourcing through AmpState, you gain access to precise part availability and support to confirm fit for your panelboards or distribution equipment.

If you’re unsure about compatibility or fit, send a message for expert confirmation—the goal is a seamless match that keeps your electrical distribution running safely and efficiently.