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abb Automatic transfer switch 400 amps with 4 Poles
ABB OTM400E4CB8D230C automatic transfer switch, a 400 A four pole motorised change-over switch with OMD800 controller and BTM voltage sensing for reliable power source transfer.
Why Choose the ABB OTM400E4CB8D230C Automatic Transfer Switch?
The ABB OTM400E4CB8D230C is a heavy-duty and highly reliable automatic transfer switch (ATS) designed for dependable source switching in industrial, commercial and critical standby power systems. As part of the advanced ABB OTM motorised change-over switch series, this switch automatically transfers electrical loads between primary and backup power sources to maintain operational continuity during mains supply interruptions.
Engineered for demanding low-voltage power distribution applications, the ABB OTM400E4CB8D230C combines intelligent motorised operation, robust electrical endurance and compact switchboard-friendly construction. The integrated OMD800 LCD controller with keypad and BTM voltage sensing module provide advanced monitoring, diagnostics and automatic transfer functionality for modern backup power installations.
With a rated operational current of 400 A, a four-pole switching configuration, integrated BTM voltage sensing and a 220–240 V AC motor operating voltage, the ABB OTM400E4CB8D230C is ideal for automatic mains-to-generator transfer systems, industrial switchboards and commercial backup power installations. The integrated OMD800 controller provides enhanced control and monitoring capabilities for demanding environments.
Key Advantages
- Heavy-duty automatic transfer switch for standby power systems.
- 400 A operational current rating for industrial and commercial installations.
- Four-pole switching configuration including neutral switching.
- Integrated BTM voltage sensing functionality.
- Reliable motorised automatic source transfer operation.
- Integrated OMD800 LCD controller with keypad.
Key Features
- ABB OTM motorised change-over switch series.
- 400 A rated operational current.
- 4-pole automatic transfer switching.
- 220–240 V AC motor operating voltage.
- Integrated BTM voltage sensing module.
- OMD800 LCD controller with keypad.
- Open transition switching operation.
- Manual emergency operating handle included.
- Compact switchboard installation format.
Reliable Automatic Source Transfer for Critical Installations
Automatic transfer switches such as the ABB OTM400E4CB8D230C continuously monitor available power sources and automatically transfer electrical loads during mains failures or generator startup events. This helps minimise downtime while maintaining continuity for critical systems and infrastructure.
The ABB OTM range is widely used in industrial facilities, generator installations and low-voltage power distribution systems where dependable automatic source transfer and compact switchboard integration are essential. Its integrated motorised mechanism, BTM voltage sensing functionality and OMD800 controller simplify installation while improving operational reliability.
Typical Applications
- Automatic mains and standby generator transfer systems.
- Industrial switchboards and power distribution panels.
- Commercial buildings and facilities management.
- Backup power and emergency supply systems.
- Manufacturing and process control installations.
- Critical infrastructure and power continuity applications.
Technical Specifications
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| Mounting Type | Base mounting | |
|---|---|---|
| Device Type | Automatic transfer switch | |
| Operation | Automatic | |
| Poles | 4-pole | |
| Manufacturer | ABB | |
| Series | OTM Motorised Change-over Switches | |
| Model | OTM400E4CB8D230C | |
| Product type | Automatic transfer switch | |
| Product ID | 1SCA107688R1001 | |
| Rated operational current | 400 A | |
| Number of poles | 4P | |
| Motor operational voltage | 220–240 V AC | |
| Controller type | OMD800 LCD controller with keypad | |
| Voltage sensing | Integrated BTM voltage sensing module | |
| Rated insulation voltage (Ui) | 1000 V | |
| Rated impulse withstand voltage (Uimp) | 12 kV | |
| Rated operational voltage | 1000 V AC | |
| Frequency | 50 / 60 Hz | |
| Short-time withstand current | 15 kA for 1 second | |
| Rated operational power AC-23A | 132 kW at 230 V, 220 kW at 400 V, 280 kW at 500 V, 400 kW at 690 V | |
| Power loss | 10 W | |
| Mounting type | Base mounting | |
| Protection rating | Front IP20 | |
| Transition type | Open transition | |
| Position of line terminals | Top in / Bottom out | |
| Fourth pole type | Switched simultaneous function | |
| Dimensions (H × W × D) | approx. 325 × 367 × 235 mm | |
| Weight | approx. 15 kg |
Frequently Asked Questions
What is the ABB OTM400E4CB8D230C used for?
This automatic transfer switch is used to automatically transfer electrical loads between mains and backup power supplies such as generators.
What current rating does this transfer switch support?
The switch supports a rated operational current of 400 A for industrial and commercial low-voltage systems.
What voltage powers the motor mechanism?
The motor operated mechanism requires a 220–240 V AC supply.
Does this switch include neutral switching?
Yes. The 4-pole configuration allows simultaneous switching of all conductors including the neutral connection.
What controller is included with this model?
The ABB OTM400E4CB8D230C includes an integrated OMD800 LCD controller with keypad for advanced automatic transfer control and monitoring.
Trusted by Electrical Engineers Worldwide
ABB OTM automatic transfer switches are trusted worldwide for dependable source transfer performance, advanced monitoring capabilities and reliable operation in critical power systems.
