OT1250E04DDP ABB 1250 A 8-Pole Switch-Disconnector

Why Choose the ABB 1SCA117176R1001 OT1250E04DDP Switch-Disconnector?

The ABB 1SCA117176R1001, order code OT1250E04DDP, is a heavy-duty 1250 A, 8-pole switch-disconnector designed for dependable high-current switching and isolation in industrial power distribution systems. As part of the ABB 311027-OT Switches product group, it belongs to ABB's high-performance OT range of manually operated switch-disconnectors.

The OT1250E04DDP is a front-operated, base-mounted 8-pole switch-disconnector supplied complete with a black ON-OFF plastic pistol-grip handle, handle extension and adjustable operating shaft. Its multi-pole design uses a staged operating arrangement in which only one switch section is operated at a time, with the operating handle providing O – I – I+II positions.

With an open-air thermal current of 1250 A and rated operational currents of 1250 A AC-22A / 1250 A AC-23A at 400–415 V, the OT1250E04DDP is engineered for demanding industrial switching duties. The supplied operating handle provides IP65 protection, is padlockable in the OFF position and incorporates door-interlocking functionality for secure switchboard operation.

Key Advantages

• Heavy-duty 1250 A switch-disconnector for high-current industrial applications.
• 8-pole configuration for coordinated switching and isolation of multiple conductors.
• 1250 A AC-22A / AC-23A rating at 400–415 V.
• Supplied complete with black pistol-grip handle, handle extension and adjustable shaft.
• IP65-protected operating handle for demanding panel and switchboard installations.
• Padlockable OFF position and door-interlocking functionality support secure isolation procedures.

Key Features

• ABB OT1250 high-performance switch-disconnector series.
• 1250 A open-air thermal current (Ith).
• 8-pole switching configuration.
• 1250 A AC-22A at 400–415 V.
• 1250 A AC-23A at 400–415 V.
• Front-operated configuration.
• Base-mounted construction.
• Black ON-OFF plastic pistol-grip operating handle included.
• Handle extension and adjustable operating shaft included as standard.
• IP65 handle protection.
• Handle padlockable in the OFF position.
• Door interlocking when the handle is in the ON position.
• Door interlocking in the OFF position when the handle is padlocked.
• Three operating positions: O – I – I+II.
• Staged switching mechanism operates one switch section at a time.

Reliable 8-Pole High-Current Isolation

Multi-pole switch-disconnectors provide a dependable means of manually switching and isolating several electrical conductors through a coordinated operating mechanism. The ABB OT1250E04DDP combines a substantial 1250 A current capacity with an 8-pole configuration, making it suitable for complex high-current systems where multiple conductors must be switched within one operating arrangement.

The OT1250E04DDP uses a staged operating mechanism in which one switch section is operated at a time. Its O – I – I+II operating sequence, combined with the supplied adjustable shaft and IP65 pistol-grip handle, provides a practical arrangement for industrial switchboards and distribution assemblies while supporting secure padlocked isolation.

Typical Applications

• High-current industrial power distribution.
• Multi-pole electrical isolation systems.
• Industrial switchboards and distribution assemblies.
• Large machinery and production equipment.
• Multi-circuit switching arrangements.
• Manufacturing and process installations.
• Power generation and infrastructure systems.