Siemens 5SY6104-7 - 4A, 400VAC, 1-Pole, Circuit Breaker

Siemens 5SY6104-7 is a compact, single-pole circuit breaker engineered for dependable overcurrent protection in demanding electrical environments. With a 4A rating at up to 400VAC, this device delivers targeted protection for individual circuits while fitting neatly into panelboards, switchboards, and control panels.

• Current rating: 4A
• Voltage rating: 400VAC
• Poles: 1-Pole
• Breaker type: Circuit Breaker
• Applications: industrial, commercial, and OEM environments requiring reliable protection in distribution panels and motor control centers

Designed for spaces where space and simplicity matter, the 5SY6104-7 provides straightforward, single‑circuit protection within larger electrical distributions. It’s a practical choice for designers and technicians who need consistent performance in crowded panel enclosures, without compromising safety or reliability.

Ideal use cases

• Panelboards and switchboards housing individual branch circuits in manufacturing facilities
• Control panels for machinery and automated systems where a dedicated 4A protection point is required
• OEM equipment assemblies needing compact, single‑pole protection that integrates with existing Siemens components
• Small motor control centers addressing single-phase protection in 400VAC environments

What makes this model stand out

The Siemens 5SY6104-7 combines a precise 4A rating with a 400VAC capability in a 1‑pole form factor, delivering focused protection where it’s most needed. Its compatibility with Siemens distribution solutions helps streamline stocking, replacement, and maintenance in facilities that rely on Siemens enclosures and accessories. By isolating a single circuit, it supports modular, scalable protection schemes—adjustable to evolving loads and panel configurations without unnecessary complexity.

Practical tips for deployment: group this breaker with corresponding Siemens accessories in compatible enclosures, verify correct listing for your panel rating, and keep a spare on hand for quick swaps in critical control circuits. If you’re upgrading older equipment, the 5SY6104-7 offers a reliable, space-efficient upgrade path that maintains consistent protection across your distribution network.

Choose the Siemens 5SY6104-7 for precise single‑pole protection in 400VAC systems, optimized for industrial, commercial, and OEM applications where safe, reliable operation in distribution panels and motor control centers is non-negotiable.