abb Automatic transfer switch 800 amps with 3 Poles

Why Choose the ABB OTM800E3C8D230C Automatic Change-Over Switch?

The ABB OTM800E3C8D230C is a high-performance automatic change-over switch designed for reliable transfer between primary and standby power sources in demanding industrial and commercial environments. As part of the proven ABB OTM motorised transfer switch series, it provides dependable automatic switching functionality for applications where uninterrupted power continuity is critical.

This motor-operated switch-disconnector integrates ABB’s advanced switching technology with intelligent automatic transfer control, enabling secure source transfer between utility mains and generator supplies. Its robust construction and dependable operating mechanism ensure long-term performance in mission-critical electrical installations.

With a rated operational current of 800 A, a 3-pole configuration, and a 230 V AC motor operating voltage, the OTM800E3C8D230C is ideal for industrial power distribution systems, generator installations, manufacturing facilities and commercial infrastructure requiring reliable automatic source transfer. Its open transition switching operation ensures safe and efficient transfer performance in demanding electrical applications.

Key Advantages

• Heavy-duty automatic change-over switch for critical power systems.
• 800 A operational current rating suitable for large industrial installations.
• 3-pole open transition switching for mains and generator transfer.
• Integrated motor-operated mechanism with automatic control functionality.
• Designed for reliable operation in demanding industrial environments.
• Robust switch-disconnector technology ensures long service life.

Key Features

• ABB OTM automatic transfer switch series.
• 800 A rated operational current.
• 3-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: OTM800E3C8D230C
• Product type: Automatic change-over switch
• Rated operational current: 800 A
• Number of poles: 3P
• Rated operational voltage: up to 1000 V AC
• Motor operational voltage: 230 V AC
• Transition type: Open transition
• Rated insulation voltage: 1000 V
• Rated impulse withstand voltage: 12 kV
• Rated short-time withstand current: 25 kA for 1 second
• Mounting type: Base mounting
• Protection rating: IP00 front protection
• Mechanical durability: approx. 10,000 operations
• Standards: IEC 60947-3
• Dimensions (H × W × D): approx. 357 × 476 × 299 mm
• Weight: approx. 41 kg

Reliable Automatic Power Transfer for Critical Installations

Automatic change-over switches such as the ABB OTM800E3C8D230C are designed to ensure continuous electrical supply by automatically transferring loads between utility mains and standby power sources during supply interruptions or maintenance operations.

The ABB OTM range is widely trusted by electrical engineers, industrial operators and panel builders due to its dependable switching performance, robust construction and long-term operational reliability. Its motor-operated transfer mechanism enables secure and efficient source switching for critical infrastructure and industrial power systems.

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 reliable automatic source transfer, robust construction and dependable long-term switching performance.