Siemens | E63A100 | Circuit Breaker | 100A | 3-Pole | 600V | Bolt-On

Siemens E63A100 Circuit Breaker — a precise, reliable solution for 3‑phase power protection that fits your existing panel with confidence. Engineered for maintenance, retrofit, and replacement projects, this 100A, 3‑pole breaker delivers dependable performance in demanding industrial environments where consistent protection matters.

Key specifications at a glance

• Amperage: 100 A
• Poles: 3‑pole
• Voltage rating: 600 V
• Mounting: Bolt‑on
• Part reference: E63A100

Why this Siemens breaker stands out

When you’re upgrading or replacing a 3‑phase distribution circuit, you need a component that matches your panel’s specifications exactly. The Siemens E63A100 is designed to drop into compatible panels with a bolt‑on mounting method, delivering a secure, field‑reliable connection that minimizes downtime during swaps or retrofits. The bolt‑on design is particularly advantageous for installations where vibration resistance and a solid mechanical hold are important in industrial settings.

Ideal use cases

• Maintenance replacements in existing Siemens panels that require a 100 A, 3‑pole, 600 V breaker.
• Retrofit projects where upgrading to current Siemens parts ensures consistent electrical protection and supply chain compatibility.
• New installations in commercial or light industrial environments where a robust 3‑phase protection device is needed.

Practical considerations for installation and compatibility

Before ordering, verify that your equipment and panel are compatible with the E63A100’s specifications. The part number is the most reliable reference for matching the exact breaker type, trip characteristics, and mounting format. If you’re replacing an existing unit, confirm the current rating, pole count, and voltage to ensure a seamless swap.

How this breaker improves reliability and operation

• Direct, bolt‑on mounting provides a secure, vibration‑resistant installation that’s well suited to demanding environments.
• Consistent 3‑phase protection helps safeguard motors, drives, and other equipment from overcurrent events, reducing the risk of field damage and unscheduled downtime.
• Using the exact part reference (E63A100) helps maintain inventory accuracy and compatibility with Siemens‑specific panel catalogs.

Need help choosing the right replacement?

If your project requires a precise match for a Siemens 3‑pole, 100 A, 600 V bolt‑on breaker, the E63A100 is the matching solution. Use the part number as your primary compatibility check, and align it with your panel’s ratings and mounting requirements to ensure a smooth, reliable installation.