Allen-Bradley 40021-559-02 - Disconnect Switch

The Allen-Bradley 40021-559-02 Disconnect Switch is purpose-built for industrial and commercial environments where safe electrical isolation is non-negotiable. Designed to integrate seamlessly into control panels and power distribution setups, this high-performance disconnect switch supports proper lockout/tagout procedures and delivers dependable disconnection under load, even in demanding conditions. Built for long-term durability, it’s a reliable foundation for your safety and uptime goals.

Key advantages that set the 40021-559-02 apart

• : Enables clear, positive isolation of electrical circuits to protect personnel during maintenance or servicing.
• : Engineered to facilitate proper lockout/tagout sequences, helping you document and enforce safe work practices.
• : Delivers reliable disconnection even when circuits are loaded, reducing the risk of partial energization during critical operations.
• : Built to withstand the rigors of industrial environments, delivering consistent performance over time.
• : Backed by Allen-Bradley’s reputation for robust control hardware, making it a trusted choice for mission-critical safety applications.

Ideal use cases

• Maintenance and servicing of machinery where a clear, verifiable isolation is required
• Panel builds and power distribution setups that demand quick, safe disconnection at the point of use
• Emergency isolation procedures in facilities that depend on predictable, fail-safe disconnection
• New installations or upgrades where safety interlocks and isolation capabilities are prioritized

Who benefits most

• Maintenance engineers and technicians who perform routine shutdowns and servicing
• Electrical panel builders seeking a reliable, standards-aligned isolation solution
• Facilities managers aiming to enhance workplace safety and compliance through clear lockout/tagout practices

Specifications at a glance

• Product Type: Disconnect Switch
• Brand: Allen-Bradley
• Model: 40021-559-02

Choosing the Allen-Bradley 40021-559-02 means prioritizing safety, reliability, and long-term value in every maintenance cycle. It’s a decisive step toward safer work practices, easier compliance with lockout/tagout procedures, and uninterrupted operational readiness across your electrical infrastructure.