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abb Automatic transfer switch 250 amps with 3 Poles
MPN: 1SCA101038R1001
Alt. SKU: OTM250E3WC8D230C
Why Choose the ABB OTM250E3WC8D230C Automatic Transfer Switch?
The ABB OTM250E3WC8D230C is a compact and highly dependable automatic transfer switch (ATS) engineered for reliable source switching in industrial, commercial and standby power systems. As part of the advanced ABB OTM motorised change-over switch series, this switch automatically transfers electrical loads between mains and backup power supplies to help maintain uninterrupted operation of essential systems during supply interruptions.
Designed for demanding low-voltage power distribution environments, the ABB OTM series combines intelligent motorised operation, robust switching capability and compact switchboard-friendly construction. ABB transfer switches are trusted worldwide by electrical engineers, panel builders and industrial contractors for applications requiring dependable automatic source transfer and operational continuity.
With a 250 A operational current rating, 3-pole switching configuration, wide phase distance terminals and a 220–240 V AC motor operating voltage, the OTM250E3WC8D230C is ideal for automatic mains-to-generator transfer systems, industrial switchboards and commercial backup power installations. The integrated OMD800 LCD controller with keypad and voltage sensing functionality ensure safe and reliable automatic operation with enhanced monitoring capability.
Key Advantages
- Compact automatic transfer switch for standby power systems.
- 250 A operational current rating for industrial and commercial installations.
- 3-pole switching configuration for phase conductor transfer.
- Reliable motorised automatic source transfer operation.
- Integrated OMD800 LCD controller with keypad.
- Wide phase distance terminals simplify cable installation and routing.
Key Features
- ABB OTM motorised change-over switch series.
- 250 A rated operational current.
- 3-pole automatic transfer switching.
- 220–240 V AC motor operating voltage.
- Integrated voltage sensing kit mounted on the switch.
- OMD800 LCD controller with keypad.
- Wide phase distance terminal arrangement.
- Open transition switching operation.
- Manual emergency operating handle included.
Technical Specifications
- Manufacturer: ABB
- Series: OTM Motorised Change-over Switches
- Model: OTM250E3WC8D230C
- Product type: Automatic transfer switch
- Rated operational current: 250 A
- Number of poles: 3P
- Motor operational voltage: 220–240 V AC
- Controller type: OMD800 LCD with keypad
- 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: 8 kA for 1 second
- Rated operational power AC-23A: 75 kW at 230 V, 132 kW at 400 V, 160 kW at 500 V, 250 kW at 690 V
- Mounting type: Base mounting
- Protection rating: Front IP20
- Transition type: Open transition
- Terminal configuration: Wide phase distance
- Position of line terminals: Top in - Bottom out
- Dimensions (H × W × D): approx. 300 × 339 × 197 mm
- Weight: approx. 11 kg
Reliable Automatic Source Transfer for Critical Installations
Automatic transfer switches such as the ABB OTM250E3WC8D230C 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 essential 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, 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.
- Low-voltage power continuity applications.
Frequently Asked Questions
What is the ABB OTM250E3WC8D230C 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 250 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?
No. This model uses a 3-pole configuration designed for switching phase conductors only.
What does the “W” designation indicate on this model?
The “W” version includes a wide phase distance terminal arrangement that improves cable routing and installation flexibility in switchboards and generator panels.
Trusted by Electrical Engineers Worldwide
ABB OTM automatic transfer switches are trusted worldwide for dependable source transfer performance, compact construction and reliable operation in critical power systems.
| Manufacturer Part Number | 1SCA101038R1001 |
|---|---|
| Barcode | 6417019359649 |
| Manufacturer | ABB |
| Number of Poles | 3 Pole |
| Alternative Product SKU | OTM250E3WC8D230C |
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