Siemens NGB2B025B - 25 A, 600 V, 2-Pole Bolt-On Circuit Breaker | AmpState

When your electrical system demands dependable branch circuit protection, the Siemens NGB2B025B stands out with purpose-built reliability. This 2-pole bolt-on molded case circuit breaker is rated at 25A and supports voltages up to 600V, making it a versatile choice for panelboards and load centers in a variety of settings.

What sets it apart

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, helping maintain a solid electrical path even in environments with movement or vibration.
• Thermal-magnetic trip unit delivers stable, repeatable protection against overcurrent and short circuits, adapting to changing load conditions for reliable performance over time.
• OEM-ready compatibility is designed to work with matching Siemens load centers and panelboards, simplifying installation and ensuring cohesive protection across the distribution system.
• Broad applicability ideal for residential, commercial, and light industrial applications, where dependable protection of branch circuits is critical.

Technical snapshot

• Manufacturer: Siemens
• Part Number: NGB2B025B
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 25A
• Voltage Rating: 600V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Designed for reliability in everyday electrical distributions, the NGB2B025B helps you prevent nuisance trips while safeguarding wiring and equipment from damaging faults. Its robust construction and integration with Siemens panel systems make it a dependable choice for new installations and panel upgrades alike. If you’re organizing a residential subpanel, outfitting a commercial load center, or provisioning a light industrial feeder, this 2-pole bolt-on breaker delivers consistent protection with straightforward, secure mounting.