ABB S5H-D - 400A, 3-Pole, Disconnect Switch

Engineered for environments where safety and reliability cannot be compromised, the ABB S5H-D is a high-performance 400 A, 3-pole disconnect switch designed to deliver dependable electrical isolation for industrial and commercial applications.

Key advantages include seamless lockout/tagout compatibility, allowing maintenance teams to secure circuits and prevent accidental re-energization, and a robust disconnection under load to support safe servicing of live lines.

Why choose the ABB S5H-D 400A 3-Pole Disconnect Switch

• 400 A, 3-Pole configuration: Provides complete isolation of each phase in three-phase systems, ensuring the circuit is safely opened and energy is fully removed from all conductors.
• Lockout/Tagout readiness: Built to support standard lockout/tagout procedures, helping facilities stay compliant during servicing and maintenance.
• Industrial-grade durability: Designed for long-term use in demanding environments, delivering dependable performance over time.
• Versatile integration: Suitable for integration into power distribution panels, motor control centers, and large equipment feeders.
• Under-load disconnection: Engineered to interrupt load currents reliably, reducing arc risk and enhancing operator safety during disconnection.

Specifications at a glance

• Amperage Rating: 400 A
• Number of Poles: 3-Pole
• Product Type: Disconnect Switch
• Brand: ABB
• Model: S5H-D

Practical use cases

• Industrial control panels and service panels where safe isolation is required during maintenance and repairs.
• Motor starter assemblies and distribution feeders that demand quick, reliable disconnection under load.
• Remote facilities and central plants needing a rugged, dependable disconnect for daily operations and emergency shutoffs.

Maintenance and safety tips

• Schedule regular operation checks to verify smooth mechanical action and proper contact closure.
• Coordinate with your lockout/tagout program to ensure devices are securely isolated before any work begins.
• Inspect for signs of wear or damage after heavy use or electrical faults, and replace components as needed to maintain performance.