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abb Automatic transfer switch 125 amps with 2 Poles
ABB OTM125F2C21D230C automatic transfer switch with 125 A rating, 2 pole switching and 220–240 V AC motor operation for standby power systems.
£909.16
Why Choose the ABB OTM125F2C21D230C Automatic Transfer Switch?
The ABB OTM125F2C21D230C is a compact and reliable automatic transfer switch (ATS) designed to provide automatic power transfer between two electrical sources in industrial, commercial and standby power applications. As part of the ABB Compact ATS range, it delivers dependable motor-operated changeover functionality for generator systems and critical electrical installations.
This automatic transfer switch features a self-powered controller with adjustable operating parameters and an open transition 1-0-2 switching mechanism. Its integrated motor operation enables automatic source transfer while maintaining a compact design suitable for control panels and distribution boards.
With a rated current of 125 A, a 2-pole configuration and a 220–240 V AC motor operating supply, the ABB OTM125F2C21D230C is suitable for reliable mains-to-generator and dual-source power transfer applications.
Key Advantages
- Compact automatic transfer switch for standby power applications.
- 125 A rated current capacity for low-voltage power systems.
- 2-pole automatic source switching for single-phase applications.
- Integrated motorised operation for automatic transfer control.
- Self-supplied controller with adjustable operating parameters.
- Suitable for generator backup and emergency power systems.
Key Features
- ABB Compact ATS series.
- Model: OTM125F2C21D230C.
- 125 A rated operational current.
- 2-pole transfer switching configuration.
- 220–240 V AC motor operation.
- Open transition 1-0-2 switching.
- Integrated motor drive.
- Adjustable automatic transfer parameters.
- Compact design for distribution boards and control panels.
Reliable Automatic Power Transfer for Standby Systems
Automatic transfer switches such as the ABB OTM125F2C21D230C monitor available power sources and automatically transfer connected loads between primary and backup supplies when required. This helps maintain continuity for essential electrical equipment during supply interruptions.
The ABB Compact ATS range provides a practical solution for electrical engineers, installers and panel builders requiring dependable automatic changeover, compact installation and reliable standby power management.
Typical Applications
- Generator backup systems.
- Single-phase emergency power installations.
- Commercial electrical distribution boards.
- Industrial control panels.
- UPS and standby power systems.
- Automatic mains changeover applications.
Technical Specifications
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| Mounting Type | Base mounting | |
|---|---|---|
| Device Type | Automatic transfer switch | |
| Operation | Automatic | |
| Poles | 2-pole | |
| HS Code | 85365080 | |
| Country of Manufacture | China | |
| Manufacturer | ABB | |
| Series | Compact ATS | |
| Model | OTM125F2C21D230C | |
| ABB Product ID | 1SCA151418R1001 | |
| Product type | Automatic transfer switch | |
| Rated operational current AC-21A | 125 A | |
| Rated operational current AC-23A | 90 A | |
| Rated operational power AC-23A | 45 kW at 380–415 V | |
| Number of poles | 2P | |
| Motor operating voltage | 220–240 V AC | |
| Rated operational voltage | Up to 800 V AC | |
| Rated insulation voltage | 800 V AC | |
| Rated impulse withstand voltage | 8 kV | |
| Frequency | 50 / 60 Hz | |
| Switching positions | 1-0-2 | |
| Transition type | Open transition | |
| Short-time withstand current | 2.5 kA for 1 s | |
| Mounting type | Base mounting / distribution board installation | |
| Terminal type | Screw connection | |
| Protection rating | IP20 front protection | |
| Dimensions (W × H × D) | 233 × 103 × 131 mm | |
| Weight | approx. 1.85 kg |
Frequently Asked Questions
What is the ABB OTM125F2C21D230C used for?
The ABB OTM125F2C21D230C is an automatic transfer switch used to transfer electrical loads between two power sources such as mains supplies and generators.
What current rating does this transfer switch support?
The OTM125F2C21D230C supports a rated operational current of 125 A.
How many poles does the ABB OTM125F2C21D230C have?
The unit has a 2-pole switching configuration.
What type of transfer operation does this ATS use?
The switch uses an open transition 1-0-2 transfer mechanism with motorised automatic operation.
Where is this automatic transfer switch installed?
The ABB OTM125F2C21D230C is typically installed in distribution boards, control panels and standby power systems.
Trusted for Standby Power Applications
ABB Compact ATS automatic transfer switches are trusted by electrical engineers and installers for reliable source transfer, generator backup and dependable power continuity.
