Siemens HEB3B070B - 70 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Siemens HEB3B070B is a 70A, 600V, 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for environments where vibration can impact connections, this breaker features a secure bolt-on mounting that creates a rigid, durable path for the bus connection, helping to prevent loosening and premature wear.

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection for long-term reliability in panels and enclosures.
• Thermal-magnetic trip unit offers stable, repeatable protection across varying fault currents and inrush conditions, minimizing nuisance trips while safeguarding equipment.
• 3-pole configuration supports three-phase circuits common in commercial and light industrial settings, enabling efficient protection in multi-phase systems.
• 600V rating suitable for higher-voltage branch circuits in panelboards and load centers, expanding protection options for demanding installations.
• 70A branch-circuit protection ensures appropriate current interruption for connected devices and loads, helping to prevent damage and downtime.
• OEM-compatible design engineered to fit seamlessly with matching Siemens OEM load centers and panelboards for straightforward replacement and consistent performance.
• Versatile applications ideal for residential, commercial, and light industrial environments where reliable overcurrent and short-circuit protection is essential.

Ideal use scenarios include upgrading aging panels in small offices, protecting three-phase distribution feeders in light commercial spaces, or replacing worn breakers in service rooms where vibration resistance and solid bus connections matter. With the Siemens HEB3B070B, you get a proven combination of robust construction, precise protection, and easy integration into compatible load centers.

Specifications

• Manufacturer: Siemens
• Part Number: HEB3B070B
• 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