Westinghouse DS121R - Disconnect Switch

Westinghouse DS121R Disconnect Switch is a high-performance isolator designed for industrial and commercial environments where safe, reliable electrical isolation is non-negotiable. Built to support proper lockout/tagout procedures, the DS121R delivers dependable disconnection under load, delivering long-term durability even in demanding sites.

• Precise, safe isolation under load: ensures equipment can be disconnected confidently without energizing risk, reducing downtime and enhancing operator safety.
• Lockout/Tagout compatibility: designed to align with standard safety practices, helping you maintain regulatory compliance and safer maintenance workflows.
• Rugged, long-term durability: engineered to withstand the vibrations, dust, and rigors of busy industrial and commercial environments, reducing maintenance frequency.
• Seamless integration: a straightforward fit into existing panels and switchgear, enabling quick installation and hassle-free replacements.
• Versatile service disconnect tool: ideal for machine servicing, panel isolation, and feeder disconnects across manufacturing floors and facilities.

Product specifics

Product Type: Disconnect Switch | Brand: Westinghouse | Model: DS121R

Use cases that matter

In a production line, the DS121R acts as a reliable service disconnect so technicians can lock out power during maintenance without interrupting other systems. In a commercial building, it serves as a clear, accessible isolation point for electrical feeders and switchgear during inspections, upgrades, or emergency procedures. Its dependable performance under load helps facilities stay productive while maintaining rigorous safety standards.

Why choose the DS121R?

This disconnect switch embodies Westinghouse’s commitment to safety, reliability, and real-world usability. By pairing robust construction with compatible lockout/tagout workflows, the DS121R reduces risk, minimizes downtime, and extends the life of your electrical infrastructure.