Siemens HHED63B030 - 30 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Meet the Siemens HHED63B030—a robust 30 A, 600 V, 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Built for real-world electrical environments, this unit supports residential, commercial, and light industrial applications with ease.

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, helping maintain consistent electrical continuity even in demanding installations.
• Thermal-magnetic trip unit delivers stable, repeatable protection by reacting to both overloads and short circuits, reducing nuisance trips and protecting downstream equipment.
• 3-pole configuration is ideal for three-phase circuits, enabling efficient protection for modern panelboards and loadcenters used in commercial and light industrial settings.
• OEM compatibility is designed to work seamlessly with matching Siemens OEM load centers and panelboards, ensuring reliable performance and straightforward replacement.

Technical snapshot

• Manufacturer: Siemens
• Part number: HHED63B030
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 30 A
• Voltage rating: 600 V
• Number of poles: 3
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Why this breaker matters for your system

In panelboards and loadcenters, reliable protection is non-negotiable. The HHED63B030’s thermal-magnetic design safeguards your wiring and connected equipment from overloads and short circuits, while the bolt-on mount keeps the breaker firmly seated, minimizing vibration-related contact issues. This combination translates to fewer trips, quicker fault isolation, and a safer electrical distribution network.

Ideal use cases

• Three-phase feeders in commercial or light industrial panels, where stable protection and rugged mounting are essential.
• Residential or small business subpanels that require robust, OEM-compatible circuit protection with easy upgrade or replacement paths.
• Industrial control panels and distribution centers that benefit from a dependable bolt-on connection and consistent trip behavior.

What to expect vs. alternatives

Compared to plug-in variants, the bolt-on design of the HHED63B030 provides a more rigid, vibration-resistant interface with the bus, helping maintain reliable contact under dynamic conditions. The built-in thermal-magnetic trip unit combines both overload and short-circuit protection in a single device, delivering predictable performance across varying electrical loads without requiring external accessories.

For technicians and specifiers, this Siemens breaker offers a straightforward path to compliant, durable protection in panelboards and loadcenters that are already matched to Siemens components, ensuring harmonious operation and streamlined maintenance.