Siemens ED63B100 - 100 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

The Siemens ED63B100 is a rugged, three‑pole bolt‑on molded case circuit breaker designed to protect multi‑wire panelboards and load centers from overcurrent and short‑circuit faults. With its bolt‑on mounting and a thermal‑magnetic trip system, this 100 A, 600 V MCCB delivers dependable protection where reliability and stability matter most—across residential, commercial, and light industrial applications.

• Secure bolt‑on mounting provides a rigid, vibration‑resistant bus connection, reducing the risk of loose contacts and ensuring consistent performance in environments with movement or vibration.
• Thermal‑magnetic trip unit offers stable, repeatable protection against overloads and short circuits, maintaining clear trip characteristics even as ambient conditions change.
• Molded‑case durability designed to endure electrical stresses and provide long‑term reliability in service panels and control cabinets.
• Three‑pole configuration suited for balanced three‑phase systems, enabling comprehensive protection of multi‑phase circuits.
• 600 V rating supports a wide range of commercial and light industrial circuits, giving you flexibility across installations.
• OEM panel compatibility proven to work with matching Siemens OEM load centers and panelboards for straightforward replacement and upgrade paths.

Where and how this breaker shines

The ED63B100 is ideal for protecting branch circuits in places where dependable, repeatable performance is critical. Use cases include:

• Residential‑adjacent commercial panels protecting main distribution circuits in small offices, retail spaces, or workshops.
• Light industrial panels where vibration and intermittent loads require a breaker that stays firmly seated and delivers consistent trip curves.
• Control cabinets in equipment rooms that demand precise overcurrent protection without frequent recalibration.

Why it matters for your electrical system

Choosing a bolt‑on MCCB like the Siemens ED63B100 can improve system uptime by maintaining tight bus connections and predictable protection thresholds. The combination of solid mechanical mounting and a thermal‑magnetic trip mechanism reduces nuisance trips while ensuring fast, reliable response to short‑circuit events. This means fewer service interruptions and easier compliance with electrical codes that favor robust, code‑conforming protection devices.

Technical snapshot

• Manufacturer: Siemens
• Part number: ED63B100
• Type: Thermal‑magnetic molded case circuit breaker
• Amperage rating: 100 A
• Voltage rating: 600 V
• Number of poles: 3
• Mounting style: Bolt‑on
• Application: Branch circuit overcurrent and short‑circuit protection

For installers and facilities managers, the Siemens ED63B100 represents a practical, reliable choice when you need a robust, three‑phase protection solution that aligns with OEM panels and stands up to real‑world demands. Add this 3‑pole bolt‑on MCCB to your electrical cabinet lineup and count on steady protection where it matters most.