Siemens VBH112 - Disconnect Switch

Introducing the Siemens VBH112 Disconnect Switch — a high-performance isolation device crafted for industrial and commercial electrical systems. The VBH112 is built to deliver safe, reliable electrical isolation when it matters most, integrating seamlessly into control panels and power distributions where dependable off/on isolation is essential.

Designed to support proper lockout/tagout procedures, the VBH112 is more than a break in the circuit — it's a safety tool that helps facilities adhere to rigorous safety practices while operations continue smoothly. It provides dependable disconnection under load, ensuring circuits can be isolated without risking residual energy or unexpected re-energization. Built for long-term durability, this switch is engineered to withstand demanding environments and provide consistent performance over years of service.

Why the VBH112 stands out

• Lockout/Tagout ready: specifically designed to support standard lockout/tagout procedures, helping workers stay safe during maintenance and servicing.
• Under-load disconnection: reliable interruption of power even when circuits are energized, reducing downtime and enhancing safety margins.
• Durable industrial design: engineered for longevity in harsh environments, delivering consistent performance and reduced maintenance over time.
• Trusted Siemens reliability: backed by Siemens' legacy in industrial electrical solutions, offering compatibility with wide control-system architectures.

Who benefits from the VBH112

The VBH112 is ideal for plant engineers, electrical contractors, facilities managers, and maintenance teams responsible for safe energy isolation in industrial and commercial settings. It’s well-suited for electrical panels, feeders, and power-distribution scenarios where quick, safe disconnects are essential.

Practical use cases

• Routine maintenance on motors, conveyors, and process equipment where safe isolation is mandatory before service.
• Safety locks and shutdowns in panel boards and switchgear to prevent accidental re-energization.
• Emergency or planned isolation in facilities that require dependable performance under load when energy needs to be cut quickly.

Practical tips for installation and use

To maximize safety and performance with the VBH112, ensure proper alignment with your lockout/tagout protocols, verify the switch is in the fully isolated position before servicing, and pair it with compliant lockout devices for a complete safety solution. Regular inspection of the switch contacts and mechanical operation will help sustain its reliability over years of service.