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OT125A3-2/10 ABB 125 A 3-Pole Load Break Switch
ABB OT125A3-2/10 is a 125 A 3-pole load break switch from the OT switch-disconnector range, designed for reliable switching and isolation of three-phase industrial electrical circuits.
£1,230.27
Why Choose the ABB OT125A3-2/10 125 A 3-Pole Load Break Switch?
The ABB OT125A3-2/10 is a reliable 125 A 3-pole load break switch / switch-disconnector designed for switching and isolation in low-voltage industrial electrical systems. As part of the proven ABB OT switch-disconnector series, it provides dependable three-phase circuit isolation for machinery, distribution panels and industrial control installations.
Designed for demanding switching duties, the OT125A3-2/10 combines a compact industrial construction with positive isolation functionality. Its three-pole arrangement enables simultaneous switching of all three phases, making it suitable for main isolation and local disconnection duties in industrial equipment and electrical distribution assemblies.
With a rated operational current of 125 A for AC-21A and AC-22A duties, the OT125A3-2/10 provides dependable performance in industrial power circuits. The OT125A platform also supports AC-23A motor-load switching, with a rated operational current of 90 A at 380–415 V AC and rated operational power of 45 kW at 400–415 V AC.
Key Advantages
- Industrial 125 A 3-pole load break switch for reliable electrical isolation.
- 3-pole configuration suitable for three-phase electrical systems.
- 125 A AC-21A and AC-22A operational current at common industrial voltages.
- Suitable for AC-23A motor and mixed-load switching applications.
- Compact ABB OT construction for integration into electrical panels and machinery.
- Proven switch-disconnector design for industrial power distribution applications.
Key Features
- ABB OT switch-disconnector series.
- 125 A rated load break switch.
- 3-pole switching configuration.
- 125 A AC-21A rated operational current.
- 125 A AC-22A rated operational current at 380–415 V AC.
- 90 A AC-23A rated operational current at 380–415 V AC.
- 45 kW AC-23A rated operational power at 400–415 V AC.
- Designed for switching, disconnection and isolation of low-voltage circuits.
Reliable Switching and Isolation for Industrial Circuits
Load break switches and switch-disconnectors provide controlled switching together with a defined means of isolating downstream electrical equipment. The ABB OT125A3-2/10 provides three-pole disconnection for three-phase circuits, helping create a clear isolation point for machinery, distribution equipment and industrial electrical systems.
The ABB OT125A platform is designed for a range of resistive, mixed and motor-load duties. Its AC-21A, AC-22A and AC-23A capabilities make the OT125A3-2/10 suitable for industrial installations where reliable load switching and circuit isolation are required from a compact mechanical switching device.
Typical Applications
- Industrial machinery main isolation.
- Three-phase electrical distribution panels.
- Motor and equipment disconnecting applications.
- Industrial control cabinets and switchboards.
- Manufacturing and process equipment.
- OEM machinery and electrical panel building.
Technical Specifications
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| Poles | 3-pole | |
|---|---|---|
| Current | 125 A | |
| Device Type | Switch Disconnector | |
| Power | 45 kW | |
| Product Series | ABB OT | |
| Series | OT Switch-Disconnectors | |
| ABB order code | 1SCA022596R0630 | |
| ABB product group | 311027-OT Switches | |
| Product type | Load break switch / switch-disconnector | |
| Rated current | 125 A | |
| Number of poles | 3 | |
| Rated operational current AC-21A at 415 V AC | 125 A | |
| Rated operational current AC-21A at 690 V AC | 125 A | |
| Rated operational current AC-22A at 380–415 V AC | 125 A | |
| Rated operational current AC-22A at 500 V AC | 125 A | |
| Rated operational current AC-22A at 690 V AC | 125 A | |
| Rated operational current AC-23A at 380–415 V AC | 90 A | |
| Rated operational current AC-23A at 500 V AC | 70 A | |
| Rated operational current AC-23A at 690 V AC | 50 A | |
| Rated operational power AC-23A at 400–415 V AC | 45 kW | |
| Rated operational voltage | 750 V | |
| Rated short-time withstand current | 2.5 kA rms for 1 s |
Frequently Asked Questions
What is the ABB OT125A3-2/10 used for?
The ABB OT125A3-2/10 is a 125 A 3-pole load break switch used for switching and isolating three-phase electrical circuits in industrial machinery, distribution and control applications.
What is the current rating of the ABB OT125A3-2/10?
The OT125A3-2/10 has a rated current of 125 A and supports 125 A AC-21A and AC-22A operational current at common industrial supply voltages.
How many poles does the OT125A3-2/10 have?
The ABB OT125A3-2/10 has 3 poles, allowing all three phases of a three-phase circuit to be switched and isolated together.
Can the ABB OT125A3-2/10 be used for AC-23A loads?
Yes. The OT125A platform is rated for AC-23A duty, including 90 A at 380–415 V AC and 45 kW at 400–415 V AC.
What is the rated operational voltage of the OT125A3-2/10?
The OT125A platform has a rated operational voltage of up to 750 V.
Where is the ABB OT125A3-2/10 typically installed?
It is suitable for industrial machinery, electrical control panels, distribution boards and other low-voltage installations requiring reliable 125 A three-pole switching and isolation.
Trusted by Industrial Electrical Professionals Worldwide
ABB OT switch-disconnectors are widely used in industrial power distribution and machinery installations where dependable load switching, positive circuit isolation and robust electrical performance are required.
