Siemens NGG2B100 - 100 A, 600 V, 2-Pole Circuit Breaker | AmpState

The Siemens NGG2B100 is a 100A, 600V, 2-pole molded case circuit breaker engineered to shield your electrical system from overloads and short circuits. Built for dependable branch-circuit protection in panelboards and load centers, this breaker delivers consistent performance in a range of environments—from home upgrades to light commercial setups.

Key advantages that matter in real-world use

• Compact molded-case design maximizes panel space, making installation cleaner and easier even in crowded electrical panels.
• Thermal-magnetic trip unit provides stable, repeatable protection, balancing long-term reliability with fast response to fault conditions.
• Siemens OEM compatibility ensures a precise fit and reliable operation in matching load centers and panelboards, preserving system integrity.
• 2-pole construction ensures simultaneous interruption of both hot conductors, enhancing safety and trip coordination for 120/240V or higher-voltage circuits.
• Rated for 100A and up to 600V making it suitable for a wide range of branch circuits, feeders, and protection needs.

Why this matters for your projects

Choosing the NGG2B100 means you’re selecting a breaker with a proven track record in residential, commercial, and light industrial applications. The compact form factor helps you maximize space in crowded panels, while the thermal-magnetic trip mechanism delivers predictable protection at critical moments—reducing the risk of equipment damage and electrical fires. If you’re upgrading an existing Siemens panel or replacing like-for-like in compatible OEM loadcenters, this 2-pole breaker is engineered to drop in without compatibility hassles.

Technical specifications at a glance

• Manufacturer: Siemens
• Part Number: NGG2B100
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 100A
• Voltage Rating: 600V
• Poles: 2
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

• Upgrading or expanding panel capacity in residential installations to support higher-demand circuits.
• Replacing aging breakers in light commercial panels to maintain reliable protection for HVAC, lighting, and receptacle circuits.
• Installing in Siemens-compatible load centers where space efficiency and dependable protective performance are priorities.

Compatibility and practical installation considerations

• Designed to be used with matching Siemens OEM load centers and panelboards for a seamless fit and dependable operation.
• Verify panel compatibility with the NGG family and follow standard electrical practices for installation and safeguarding equipment.
• Consider this 2-pole breaker for circuits where both hot lines need simultaneous interruption and consistent protection against faults.

With the Siemens NGG2B100, you gain a dependable, space-conscious solution that protects people, appliances, and wiring while fitting neatly into Siemens panel ecosystems. Whether you’re upgrading a home panel or equipping a small commercial installation, this 100A, 600V, 2-pole molded case circuit breaker brings clarity, reliability, and precise protection to your electrical system.