Siemens ED63S100A - 100A, 3-Pole, Molded Case Circuit Breaker

The Siemens ED63S100A is a 100A, 3‑pole molded case circuit breaker engineered for dependable overcurrent protection in demanding electrical environments. Its molded case construction delivers solid insulation and rugged enclosure protection, making it a resilient choice for modern distribution panels and motor control centers.

What it is and why it matters

Designed to safeguard 3‑phase circuits, the ED63S100A ensures all three phases can be interrupted simultaneously when an overcurrent event occurs. This is crucial for protecting wiring, motors, and control gear in industrial, commercial, and OEM applications. The 3‑pole configuration is ideal for equipment powered by three‑phase systems, helping maintain balanced protection across your electrical distribution.

Key features at a glance

• Current rating: 100A — suitable for protecting moderate to high‑current feeders and motor circuits
• Poles: 3‑Pole configuration for 3‑phase protection
• Molded case design: Robust insulation and compact form factor that supports safe, durable operation in panelboards, switchboards, and control panels
• Versatile applications: Ideal for distribution panels, motor control centers, and OEM equipment where reliable overcurrent protection is essential
• Protection you can trust: Engineered to quickly interrupt fault currents, helping to minimize damage to conductors and connected machinery

Ideal use scenarios

• New installations in industrial facilities with three‑phase motors and heavy loads
• Retrofits or replacements in existing distribution panels where 3‑pole protection is required
• OEM equipment where compact, dependable MCCB protection is part of the design
• Switchboards and control panels that demand consistent, safe interruption of fault currents

Why choose the Siemens ED63S100A

• Reliability you can rely on: Siemens MCCBs are built to support continuous operation in challenging environments, helping reduce downtime and maintenance complexity
• Purpose‑built for 3‑phase systems: The 3‑pole configuration ensures synchronized disconnection of all phases, protecting equipment and improving safety
• Focused on practical protection: This unit targets overcurrent events in distribution panels and motor control centers, providing a straightforward, effective solution for everyday industrial needs

Whether you’re upgrading an aging panel, designing a new distribution scheme, or outfitting OEM equipment, the Siemens ED63S100A 100A 3‑Pole Molded Case Circuit Breaker delivers dependable, organized, and scalable protection that aligns with professional electrical infrastructure.