ABB OETL-NF30-4 - 40A, Disconnect Switch

The ABB OETL-NF30-4 is a 40A disconnect switch engineered for tough industrial and commercial environments that demand safe, reliable electrical isolation. With built-in support for lockout/tagout procedures and proven performance when disconnecting under load, this isolator switch helps keep maintenance crews safe and downtime minimal.

Key advantages

• 40A amperage rating ensures robust isolation for equipment and circuits
• Designed to support standard lockout/tagout (LOTO) procedures for safe servicing
• Delivers dependable disconnection under load, reducing risk during maintenance
• Durable construction tailored for demanding industrial and commercial applications
• Backed by ABB engineering and reliability you can trust across installations

Practical use cases

• Maintenance shutdowns for motors, pumps, and conveyors in manufacturing lines
• Electrical isolation for HVAC systems and other critical building services
• Planned or emergency isolation in production environments to protect personnel

Who should consider the ABB OETL-NF30-4

• Facilities engineers and maintenance teams needing a reliable, safe isolation device
• Electrical contractors integrating safe disconnect switches into control panels and switchgear

Choose the ABB OETL-NF30-4 for a purpose-built solution that prioritizes safety, reliability, and efficiency in electrical isolation. With a 40A rating and lockout/tagout compatibility, it supports safer maintenance cycles and steady, predictable performance in demanding environments.