Siemens ED63B030 - 30 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Introducing the Siemens ED63B030, a 30 A, 600 V, 3-pole bolt-on molded case circuit breaker crafted for dependable branch circuit overcurrent and short‑circuit protection in panelboards and load centers. Built to stay secure in demanding electrical installations, this device helps ensure your distribution system remains protected and reliable.

• Secure bolt-on mounting ensures a rigid, vibration‑resistant bus connection that maintains continuity even in environments with movement or equipment vibration.
• Thermal-magnetic trip unit delivers stable, repeatable protection by sensing both heat (overload) and magnetic surge (short‑circuit), helping prevent nuisance trips while promptly interrupting dangerous faults.
• OEM‑grade compatibility designed to pair with matching Siemens OEM load centers and panelboards, promoting predictable performance and straightforward replacement or upgrades.
• Versatile application range suitable for residential, commercial, and light industrial settings where reliable circuit protection is essential.

Technical snapshot

• Manufacturer: Siemens
• Part Number: ED63B030
• 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

Practical use cases and benefits

For electricians and facilities teams, the Siemens ED63B030 is ideal when you need a robust, ready‑made solution for protecting individual branches in panelboards and load centers. Its bolt-on design reduces installation variances and helps maintain a solid electrical connection in environments where vibration or equipment motion could compromise other mounting methods. The 3‑pole configuration provides coordinated protection across three distinct conductors, making it well-suited for three‑phase circuits or multi‑branch layouts in commercial spaces, light industrial facilities, and modern homes with complex distribution needs.

In retrofit projects, choosing a Siemens ED63B030 helps ensure compatibility with existing Siemens OEM load centers, preserving electrical performance and easing future maintenance. The combination of a 30 A rating, 600 V capability, and a thermal‑magnetic trip mechanism translates to predictable protection outcomes: you get fast fault interruption for short circuits and reliable overload protection to prevent nuisance trips or damage over time.

Why this breaker stands out

What sets the ED63B030 apart is the combination of secure bolt-on mounting, a dependable thermal‑magnetic trip unit, and explicit compatibility with Siemens panel ecosystems. This isn't a generic spare part—it’s a purpose‑built component designed to deliver consistent protection across shared circuits in panelboards and load centers, with installation confidence that the bus connection will remain tight and stable under real‑world operating conditions.

Tips for best results

• Use with matching Siemens OEM load centers and panelboards to ensure seamless interoperation and predictable trip characteristics.
• Schedule regular inspections of connections in vibration‑prone installations to confirm bolt tightness and conductor integrity.
• Document circuit assignments and fault history to optimize protection schemes and simplify future maintenance or upgrades.