Allen-Bradley 40021-558-02 - Disconnect Switch

Meet the Allen-Bradley 40021-558-02 Disconnect Switch—a purpose-built solution for safe electrical isolation in demanding industrial and commercial settings. Designed to deliver dependable performance when it matters most, this switch helps you maintain rigorous safety practices while keeping equipment on-line-ready when the job is done.

Built to support lockout/tagout procedures and capable of clean, reliable disconnection under load, the 40021-558-02 is engineered for long-term durability in busy facilities. Its robust design stands up to daily use, reducing downtime and enhancing the overall safety of maintenance and servicing operations.

Key features that matter in the field

• Safe isolation for maintenance: clearly delineates the electrical break, protecting personnel during servicing, testing, and system upgrades.
• Lockout/Tagout ready: supports regulatory safety workflows, ensuring devices stay de-energized until authorized personnel remove the tag.
• Reliable under-load disconnection: engineered to perform a clean, controlled switch even when circuits are energized, minimizing interruptions.
• Rugged, long-term durability: built to endure the demands of industrial environments, delivering consistent performance over time.
• Easy panel integration: designed to fit standard control-panel configurations, simplifying installation and routine maintenance.

Ideal use cases

Perfect for service disconnects on motors, conveyors, pumps, and other heavy equipment where safe isolation is essential. Use during preventive maintenance, component upgrades, or any scenario that requires a controlled, lockable break in the circuit. This switch helps facilities maintain uptime while upholding stringent safety standards.

Who benefits

• Plant engineers implementing electrical safety programs
• Maintenance teams performing regular servicing on power feeds and motor-driven loads
• Electrical contractors installing or upgrading control panels in industrial or commercial sites

Why this disconnect switch stands apart

Unlike generic disconnects, the Allen-Bradley 40021-558-02 draws on a legacy of safety-focused engineering and reliability. Its design prioritizes predictable performance under load, durable construction for continuous duty, and seamless alignment with lockout/tagout workflows. The result is fewer interruptions, safer work practices, and a clear path to compliant maintenance procedures.

Compatibility note: verify that the 40021-558-02 aligns with your specific panel and electrical requirements to ensure a perfect fit during installation. The model number identifies this exact disconnect switch from Allen-Bradley, supporting authentic parts and service compatibility.

Upgrade your electrical safety infrastructure with the Allen-Bradley 40021-558-02 Disconnect Switch—trustworthy isolation, safer maintenance, and enduring reliability. Add it to your order today.