abb Automatic transfer switch 800 amps with 4 Poles

Why Choose the ABB OTM800E4C2D230C Automatic Change-Over Switch?

The ABB OTM800E4C2D230C is a high-capacity automatic change-over switch designed for dependable transfer between primary and standby power supplies in critical industrial and commercial electrical systems. As part of the trusted ABB OTM motorised transfer switch range, it provides secure and reliable automatic source switching for installations where continuous power availability is essential.

This motor-operated transfer switch combines ABB’s proven switch-disconnector technology with intelligent automatic transfer functionality, enabling seamless switching between utility mains and generator supplies during power interruptions or maintenance events. Its robust construction and heavy-duty switching mechanism ensure long service life and dependable operation in demanding environments.

With a rated operational current of 800 A, a 4-pole configuration, and a 230 V AC motor operating voltage, the OTM800E4C2D230C is ideal for industrial switchboards, data centres, commercial facilities and backup power systems requiring reliable automatic transfer performance. Its open transition switching operation provides safe separation between asynchronous power supplies.

Key Advantages

• Heavy-duty automatic change-over switch for critical power systems.
• 800 A operational current rating suitable for large industrial installations.
• 4-pole open transition switching for automatic source transfer.
• Integrated motor-operated mechanism with automatic control functionality.
• Reliable switching between mains and generator power supplies.
• Robust construction designed for demanding industrial environments.

Key Features

• ABB OTM automatic transfer switch series.
• 800 A rated operational current.
• 4-pole automatic transfer configuration.
• 230 V AC motor operating voltage.
• Open transition switching operation.
• Integrated automatic source transfer functionality.
• Manual operating handle for maintenance and local control.
• Suitable for industrial switchboards and backup power systems.

Technical Specifications

• Manufacturer: ABB
• Series: OTM Automatic Change-Over Switches
• Model: OTM800E4C2D230C
• Product type: Automatic change-over switch
• Rated operational current: 800 A
• Number of poles: 4
• Rated operational voltage: 1000 V AC
• Motor operating voltage: 230 V AC
• Transition type: Open transition
• Rated insulation voltage: 1000 V
• Rated impulse withstand voltage: 12 kV
• Rated short-time withstand current: 20 kA for 1 second
• Rated operational power AC-23A: 450 kW at 400 V AC
• Switch operating mechanism: Mechanism at the end of the switch
• Mounting type: Base mounting
• Protection rating: IP00 front protection
• Pollution degree: 3
• Power loss: approx. 40 W
• Dimensions (W × H × D): approx. 476 × 357 × 299 mm
• Weight: approx. 37 kg
• Standards: IEC 60947-3

Reliable Automatic Power Transfer for Critical Systems

Automatic change-over switches such as the ABB OTM800E4C2D230C are designed to maintain uninterrupted electrical supply by automatically transferring loads between utility mains and standby power sources during outages or maintenance operations.

The ABB OTM range is trusted by electrical engineers, industrial operators and panel builders for dependable switching performance, integrated safety features and durable motor-operated transfer functionality. The open transition design ensures secure isolation between separate power sources during transfer operations.

Typical Applications

• Industrial generator transfer systems.
• Main switchboards and power distribution systems.
• Commercial building backup power installations.
• Critical infrastructure and utility facilities.
• Manufacturing and processing plants.
• Data centres and telecommunications installations.

Trusted by Power Distribution Professionals Worldwide

ABB OTM automatic transfer switches are trusted by industrial engineers and electrical contractors for dependable automatic source transfer, robust construction and long-term operational reliability.