Siemens NGB3B070B - 70 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Siemens NGB3B070B — 70A, 600V, 3-Pole Bolt-On Circuit Breaker The Siemens NGB3B070B is a 70 amp, 600-volt, three-pole molded case circuit breaker designed for reliable branch circuit protection in panelboards and load centers. With a bolt-on mounting that delivers a secure, vibration-resistant bus connection, this breaker stays firmly in place even in demanding electrical environments. Key features that set this breaker apart - Secure bolt-on mounting for a rigid, vibration-resistant bus connection that maintains consistent electrical contact over time - Thermal-magnetic trip unit delivers stable, repeatable protection for both overload and short-circuit events - 3-pole configuration ideal for balanced three-phase protection in commercial and light industrial installations - Compatible with matching OEM load centers and panelboards for straightforward integration - Suitable for residential, commercial, and light industrial applications, accommodating a range of distribution needs Why this breaker matters for your project - When upgrading or expanding a panel, the bolt-on design simplifies replacement and ensures a solid, long-lasting connection - In new installations, you can rely on Siemens’ proven protection performance to safeguard critical branch circuits - For service and maintenance, the thermal-magnetic mechanism provides predictable trip behavior, reducing nuisance trips and improving reliability Technical snapshot - Manufacturer: Siemens - Part Number: NGB3B070B - Type: Thermal-magnetic molded case circuit breaker - Amperage Rating: 70A - Voltage Rating: 600V - Number of Poles: 3 - Mounting Style: Bolt-on - Application: Branch circuit overcurrent and short-circuit protection Designed for dependable protection in a variety of settings, the NGB3B070B combines robust mechanical mounting with precise thermal-magnetic protection, delivering consistent performance where reliability matters most. Whether you're retrofitting an existing panel or wiring a new installation, this 70A, 600V, 3-pole bolt-on breaker provides the trusted Siemens protection your electrical system deserves.