Siemens W49819 - 200A, 250V, Switch

Siemens W49819 is a robust 200A, 250V switch engineered for reliable on/off isolation and overcurrent protection in demanding industrial and commercial environments. Designed as a compact, maintainable fusible switch, it delivers dependable performance where quick, safe power isolation is essential.

• High-current capability: 200A rating handles substantial motor loads and branch circuits with confidence.
• Voltage compatibility: 250V operation supports a wide range of equipment and control systems common in industrial settings.
• Reliable isolation and protection: Combines on/off control with overcurrent protection to safeguard motors, panels, and feeders.
• Compact, maintainable design: Engineered for tight electrical spaces and straightforward servicing, reducing downtime during maintenance.
• Versatile applications: Ideal for motor disconnects, panelboards, and branch circuit protection where a fusible switching solution is required.

Ideal applications and use cases

The Siemens W49819 excels in environments where reliable isolation is critical. Use it as a motor disconnect in manufacturing lines, a main or feeder switch within panelboards, or as part of branch circuit protection in commercial facilities. Its compact form fits into crowded electrical rooms, control cabinets, and retrofit projects where space is at a premium without sacrificing performance.

Why choose the W49819 over other switches

• Brand reliability: Siemens delivers decades of engineering expertise and consistent performance in harsh environments.
• Focused functionality: This switch is purpose-built for on/off isolation paired with overcurrent protection, making it a straightforward, purpose-driven choice for motor control and distribution.
• Maintenance-friendly: Designed to simplify servicing in real-world facilities, helping minimize downtime during fuse checks or replacements.

Technical snapshot

• W49819
• Amperage: 200A
• Voltage: 250V
• Type: Switch (fusible switch)
• Primary use: Motor disconnects, panelboards, branch circuit protection

Practical tips for installation and operation

• Verify that the switching duty matches your motor and circuit requirements, and ensure compatibility with the selected fusing scheme.
• Follow applicable electrical codes and safety practices when installing in control cabinets or distribution panels.
• Plan for easy access during maintenance to minimize downtime—the W49819’s compact footprint helps in crowded electrical rooms.
• Document the installation with clear labeling so maintenance teams can quickly identify the switch and its circuit.