Siemens NGB2B035B - 35 A, 600 V, 2-Pole Bolt-On Circuit Breaker | AmpState

When reliability matters most in electrical distribution, the Siemens NGB2B035B stands up to the challenge. This 2-pole, 35-amp, 600-volt bolt-on molded case circuit breaker delivers dependable branch-circuit protection for panelboards and load centers.

• Rigid, vibration-resistant bus connection: Secure bolt-on mounting ensures a tight, repeatable electrical interface even in panels that experience vibration or heavy load swings.
• Thermal-magnetic trip unit: Provides stable, trip-time performance for both overloads and short circuits, helping to minimize nuisance trips while safeguarding equipment.
• OEM-compatible: Designed to integrate seamlessly with Siemens OEM load centers and panelboards for straightforward installation and reliable operation.
• Versatile for multiple environments: Ideal for residential, commercial, and light industrial applications where robust protection is essential.

Technical snapshot

• Manufacturer: Siemens
• Part Number: NGB2B035B
• Type: Thermal-magnetic molded case circuit breaker
• Amperage: 35A
• Voltage: 600V
• Poles: 2
• Mounting: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Why choose this breaker? If you're upgrading an electrical panel or replacing an aging component, the NGB2B035B offers precise thermal-magnetic protection that reacts swiftly to faults while maintaining low heat rise in the bus bars—crucial for long-term panel health and uptime.

Use cases in real-world setups:

• Residential subpanels requiring two-pole protection for heating/cooling circuits, sump pumps, or major appliances.
• Commercial service panels in small offices or retail spaces needing reliable overcurrent protection with minimal maintenance.
• Light industrial distribution where equipment downtime is costly and vibration issues threaten panel integrity.

Maintenance and best practices:

• Torque mounting screws to the manufacturer's specification to maintain a solid connection and consistent protection performance.
• Regularly inspect for signs of wear, discoloration, or unusual heating at terminals; address anomalies promptly.
• Test protection periodically using approved procedures to confirm the thermal-magnetic mechanism trips correctly under fault conditions.

Compatible with your Siemens panel ecosystem, the NGB2B035B is a clear choice for professionals seeking durable, code-compliant overcurrent protection you can rely on day in and day out. Available now from AmpState for fast, dependable delivery.