OT630E03K ABB 630 A 3-Pole Switch Disconnector with Direct-Mounted Handle

Why Choose the ABB OT630E03K Switch Disconnector?

The ABB OT630E03K is a heavy-duty 630 A three-pole switch disconnector designed for dependable switching and electrical isolation in industrial low-voltage power systems. As part of the proven ABB OT switch-disconnector series, it provides reliable high-current isolation for switchboards, machinery, distribution equipment and motor control applications.

The OT630E03K is a front-operated, base-mounted switch disconnector with its operating mechanism located at the end of the switch. This configuration is supplied with a black direct-mounted pistol-type handle, shaft and terminal bolt kit, providing a compact local operating arrangement without requiring a separate door-coupled handle installation.

With a conventional free-air thermal current of 630 A, the OT630E03K also provides rated operational currents of 630 A AC-21A, AC-22A and AC-23A at 380–415 V. Its robust electrical performance, 1000 V rated insulation voltage and direct-mounted handle make it well suited to demanding industrial switching and isolation duties.

Key Advantages

• Heavy-duty 630 A switch disconnector for industrial electrical isolation.
• Three-pole configuration for simultaneous switching of three conductors.
• Supplied with a direct-mounted pistol-type operating handle.
• 630 A AC-22A and AC-23A operational current at 380–415 V.
• Front-operated, base-mounted design for straightforward equipment integration.
• Padlockable handle supports secure isolation during maintenance.

Key Features

• ABB OT switch-disconnector series.
• 630 A conventional free-air thermal current.
• 3-pole switching configuration.
• Direct-mounted black pistol-type handle.
• Mechanism located at the end of the switch.
• Front-operated configuration.
• Base-mounted construction.
• 1000 V rated insulation voltage.
• 12 kV rated impulse withstand voltage.
• M12 × 40 terminal bolt kit included as standard.

Reliable High-Current Switching and Electrical Isolation

Switch disconnectors provide a defined means of manually separating electrical circuits from their power source for operational switching, servicing and maintenance. The ABB OT630E03K combines a 630 A current capability with three-pole operation, providing dependable isolation for demanding industrial power distribution and machinery applications.

The direct-mounted pistol handle allows the OT630E03K to be operated locally at the switch, while its base-mounted construction supports integration into suitable electrical assemblies. High AC-23A switching capability, robust short-circuit performance and ABB's established OT construction make it suitable for high-power industrial installations.

Typical Applications

• Industrial power distribution systems.
• Low-voltage switchboards and distribution assemblies.
• Industrial machinery and production equipment.
• Motor control centres and motor isolation.
• Main and local electrical isolation.
• High-current three-pole switching applications.