Siemens HEB2B030B - 30 A, 600 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Meet the Siemens HEB2B030B — a 30A, 600V, 2-pole bolt-on molded case circuit breaker engineered for dependable branch circuit protection in panelboards and loadcenters. With a rugged bolt-on mount, a thermal-magnetic trip unit, and native compatibility with Siemens OEM panels, this breaker is built to perform in residential, commercial, and light industrial settings.

• Secure bolt-on mounting — delivers a rigid, vibration-resistant bus connection that stays put through daily electrical activity and occasional panel vibrations.
• Thermal-magnetic trip unit — combines precise thermal overload protection with fast magnetic trip to guard against short circuits, providing stable, repeatable protection across varying loads.
• 2-pole design — provides simultaneous disconnection of both conductors for 240V circuits, simplifying wiring and enhancing safety.
• 30A at 600V — sized for common branch circuits in modern panels, suitable for a range of commercial and residential applications where reliable protection is essential.
• OEM panel compatibility — designed to work with matching Siemens loadcenters and panelboards for consistent fit, performance, and electrical characteristics.
• Molded-case construction — durable and robust for long-term installation in electrical enclosures, delivering dependable protection in demanding environments.

Technical Specifications

• Manufacturer: Siemens
• Part Number: HEB2B030B
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 30A
• Voltage Rating: 600V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Who is this for and practical use cases

The Siemens HEB2B030B is ideal for electricians and facilities managers who need reliable, standard-setting protection in panelboards and loadcenters. It’s well-suited for:

• Retrofit and new construction projects in residential and commercial spaces requiring a 30A, 2-pole protection scheme
• Upgrading outdated panels to ensure consistent trip characteristics and secure bus connections
• Motor load circuits, lighting branch circuits, and general-purpose branches that demand dependable short-circuit protection
• Applications where OEM panel compatibility reduces installation risk and ensures predictable performance

Why choose the Siemens HEB2B030B

This breaker stands out with its combination of secure mounting, precise protection, and panel compatibility. The bolt-on design minimizes bus connection movement, the thermal-magnetic trip provides reliable response to faults, and the 2-pole configuration simplifies wiring for 240V circuits. When you select HEB2B030B, you’re choosing a trusted Siemens component that integrates smoothly into your electrical distribution system, delivering predictable protection and long-term reliability.