Allen-Bradley 140U-HS4E - Disconnect Switch

The Allen-Bradley 140U-HS4E Disconnect Switch is a high-performance isolation device designed for demanding industrial and commercial environments where safe, reliable electrical isolation matters. It’s built to support lockout/tagout procedures and to deliver dependable disconnection under load, helping maintenance teams work safely and reducing downtime over the life of the system.

Key benefits that matter in the field

• Safe electrical isolation for maintenance, testing, and service activities in industrial and commercial settings.
• Lockout/tagout readiness to align with safety programs and regulatory practices, keeping personnel protected during servicing.
• Dependable disconnection under load to ensure reliable isolation when the circuit is active, supporting safer workflow and reduced risk during shutdowns.
• Long-term durability designed to perform consistently over time in challenging environments.

Ideal use cases

The 140U-HS4E is well-suited for equipment shutoffs, panel upgrades, maintenance outages, and any scenario where a clear, reliable means of disconnecting power is essential. It supports steady operation in facilities that require rigorous safety practices without sacrificing uptime.

Technical snapshot

• Product Type: Disconnect Switch
• Brand: Allen-Bradley
• Model: 140U-HS4E

Practical guidance for optimal results

For best performance, integrate the 140U-HS4E with your established lockout/tagout procedures and ensure proper installation per manufacturer guidelines. Regular inspection of the disconnect mechanism and compatibility checks with your control panels and electrical feeders will help maintain reliable isolation and readiness for maintenance or testing activities.