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abb Automatic transfer switch 400 amps with 3 Poles
ABB OTM400E3C8D230C automatic transfer switch with 400 A rated current, 3-pole configuration and OMD800 controller designed for reliable power source changeover applications.
Why Choose the ABB OTM400E3C8D230C Automatic Transfer Switch?
The ABB OTM400E3C8D230C is a high-performance automatic transfer switch (ATS) designed for reliable automatic switching between two power sources in industrial, commercial and critical power applications. As part of the advanced ABB OTM motorised change-over switch series, it provides dependable source transfer operation to maintain electrical supply continuity during mains failures or power interruptions.
This automatic change-over switch combines a robust switching mechanism with an integrated motor operator and an OMD800 LCD controller with keypad for advanced automatic transfer management. The integrated voltage sensing functionality and open transition switching design allow reliable operation in generator systems, standby power installations and modern low-voltage distribution assemblies.
With a rated operational current of 400 A, a 3-pole configuration and a motor operator supply voltage of 220–240 V AC, the ABB OTM400E3C8D230C is suitable for automatic mains-to-generator transfer systems, industrial switchboards and commercial backup power applications.
Key Advantages
- Heavy-duty automatic transfer switching for critical power systems.
- 400 A rated operational current for industrial and commercial electrical distribution.
- 3-pole switching configuration for three-phase power systems.
- Integrated 220–240 V AC motor operator enables automatic source transfer.
- OMD800 LCD controller with keypad provides monitoring, diagnostics and transfer management.
- Suitable for generator, standby power and critical infrastructure applications.
Key Features
- ABB OTM motorised change-over switch series.
- 400 A rated operational current.
- 3-pole automatic transfer switching.
- 220–240 V AC motor operating voltage.
- OMD800 LCD controller with keypad.
- Integrated voltage sensing kit mounted on the switch.
- Open transition I-O-II switching operation.
- Manual emergency operating handle included.
- Compact switchboard installation format.
Reliable Automatic Power Transfer for Critical Systems
Automatic transfer switches such as the ABB OTM400E3C8D230C monitor available power sources and automatically transfer electrical loads between primary and backup supplies when required. This helps maintain continuous operation and reduces downtime caused by mains supply interruptions.
The ABB OTM range is designed for electrical engineers, panel builders and system integrators requiring dependable automatic switching solutions for industrial automation, generator installations and low-voltage power distribution systems. Its integrated controller, motorised mechanism and robust construction simplify modern power management designs.
Typical Applications
- Automatic mains failure (AMF) systems.
- Emergency generator changeover installations.
- Industrial power distribution panels.
- Commercial buildings and facilities.
- Manufacturing and process control systems.
- Backup power and critical infrastructure applications.
Technical Specifications
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| Mounting Type | Base mounting | |
|---|---|---|
| Device Type | Automatic transfer switch | |
| Operation | Automatic | |
| Poles | 3-pole | |
| Manufacturer | ABB | |
| Series | OTM Motorised Change-over Switches | |
| Model | OTM400E3C8D230C | |
| Product type | Automatic transfer switch | |
| Order code | 1SCA101061R1001 | |
| Rated operational current | 400 A | |
| Number of poles | 3 poles | |
| Motor operating voltage | 220–240 V AC | |
| Controller type | OMD800 LCD controller with keypad | |
| Rated insulation voltage | 1000 V | |
| Rated impulse withstand voltage | 12 kV | |
| Rated operational voltage | Up to 1000 V AC | |
| Frequency | 50 / 60 Hz | |
| Rated operational power AC-23A | 132 kW at 230 V, 220 kW at 400 V, 315 kW at 500 V, 400 kW at 690 V | |
| Short-time withstand current | 15 kA for 1 second | |
| Mounting type | Base mounting | |
| Protection rating | IP20 front protection | |
| Transition type | Open transition | |
| Dimensions (H × W × D) | approx. 325 × 367 × 235 mm | |
| Weight | approx. 14 kg |
Frequently Asked Questions
What is the ABB OTM400E3C8D230C used for?
The ABB OTM400E3C8D230C is used to automatically transfer electrical loads between two power sources such as mains and standby generators.
What current rating does this transfer switch support?
The automatic transfer switch supports a rated operational current of 400 A for industrial and commercial low-voltage systems.
How many poles does the ABB OTM400E3C8D230C have?
The ABB OTM400E3C8D230C features a 3-pole switching configuration designed for three-phase electrical systems.
What controller is included with this transfer switch?
The switch includes an OMD800 LCD controller with keypad for automatic transfer operation, monitoring and configuration.
What motor operator voltage is required?
The automatic transfer switch uses a 220–240 V AC motor operator supply.
Trusted by Electrical Engineers Worldwide
ABB OTM automatic transfer switches are widely used in industrial and commercial power systems to provide reliable source transfer, improved power availability and dependable operation in critical electrical installations.
