ABB OT400ES03K - Disconnect Switch

The ABB OT400ES03K Disconnect Switch is engineered for safe electrical isolation in demanding industrial and commercial environments. It supports proper lockout/tagout (LOTO) procedures, giving maintenance teams a secure way to isolate circuits and prevent energization during service work.

With the ability to deliver dependable disconnection under load, this switch helps keep processes safe and downtime minimal. Built for long-term durability, the OT400ES03K stands up to the rigors of daily operation in switchgear rooms, power distribution panels, and other critical electrical installations.

Why this model stands out

• Lockout/Tagout readiness: Compatible with standard LOTO practices to meet safety compliance during maintenance.
• Under-load disconnection: Ensures circuits are fully isolated even when equipment is energized or in transition.
• Industrial-grade reliability: Designed for extended service life in harsh environments, reducing replacement and downtime.
• Seamless integration: Built for reliable use across a range of industrial and commercial power-distribution configurations from ABB.

Ideal applications

Choose the ABB OT400ES03K for routine maintenance, servicing, or upgrades in manufacturing facilities, process plants, electrical rooms, and other settings where safe, compliant energy isolation is essential. It’s well-suited for control centers, motor control centers, and distribution panels that require dependable circuit disconnection.

What makes ABB OT400ES03K a smart choice

Compared with generic disconnect switches, the OT400ES03K brings ABB’s engineering precision to your electrical isolation needs. You gain consistent performance under load, robust construction, and a proven track record of durability in challenging environments, all helping minimize downtime and protect your team during maintenance.

Product details
Product Type: Disconnect Switch
Brand: ABB
Model: OT400ES03K