ABB OT400ES03K - Disconnect Switch

The ABB OT400ES03K Disconnect Switch is engineered for safe, reliable electrical isolation in demanding industrial and commercial environments. Built to support lockout/tagout procedures and deliver dependable disconnection under load, this switch is a trusted foundation for safe maintenance and secure power distribution.

Why the OT400ES03K stands out

• Lockout/Tagout readiness: Facilitates compliant safety routines by providing a dedicated isolation point that maintenance teams can lock and tag, reducing the risk of unexpected energization.
• Under-load disconnection you can trust: Ensures a reliable break in the circuit even when equipment is energized, helping technicians service equipment with minimal risk.
• Durable industrial design: Built to perform in busy facilities, offering long-term durability and consistent performance across daily operations.
• ABB engineering you can rely on: Part of ABB’s proven power-distribution lineage, delivering predictable operation and peace of mind in critical workflows.
• Clear isolation point: Provides a straightforward, verifiable shutdown that minimizes the chance of accidental energization during maintenance.

Ideal applications

Perfect for installation in power distribution panels, motor control centers, and service disconnect points within manufacturing facilities, warehouses, and commercial buildings. The OT400ES03K integrates into existing switchgear to deliver a dedicated, reliable isolation path that maintenance teams can depend on.

Real-world use cases

• Routine motor and feeder maintenance: power down, lock out, and service with confidence.
• Emergency shutdowns followed by verified isolation for safe repairs.
• Panel upgrades or retrofits where a dedicated disconnect enhances safety and compliance workflows.

Specifications at a glance

Product Type: Disconnect Switch
Brand: ABB
Model: OT400ES03K