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OT250E03WC ABB 250A 3 Pole Wide Phase Distance Change-Over Switch
ABB OT250E03WC 250A three pole manual change-over switch with wide phase distance and open transition design for reliable low-voltage power transfer applications.
£877.64
Why Choose the ABB OT250E03WC Change-Over Switch?
The ABB OT250E03WC is a robust manual change-over switch designed for reliable source transfer and electrical switching in industrial low-voltage power distribution systems. As part of the proven ABB OT change-over switch series, it provides dependable manual control between two circuits for commercial, industrial and infrastructure applications.
This switch features a wide phase distance design with phase barriers to provide increased separation between poles in demanding electrical installations. The unit is supplied without handle and shaft, allowing the required operating accessories to be selected separately for the final installation. :chatgpt-content-reference{index="0"}
With a rated current of 250 A and a three-pole configuration, the OT250E03WC is suitable for industrial switchboards, power distribution assemblies and manual transfer applications. Its left-side mechanism, front operation and base mounting design support flexible integration into electrical systems. :chatgpt-content-reference{index="1"}
Key Advantages
- Reliable 250 A manual change-over switch for industrial applications.
- Three-pole switching configuration for dependable circuit transfer.
- Wide phase distance construction with phase barriers.
- Handle and shaft ordered separately for installation flexibility.
- Open transition operation for controlled switching between positions.
- Designed for robust operation in low-voltage distribution systems.
Key Features
- ABB OT change-over switch series.
- 250 A rated current.
- 3-pole manual change-over switch.
- Open transition switching principle.
- Wide phase distance design.
- Phase barriers included.
- Mechanism at the end of the switch 03 (left side).
- Handle and shaft not included.
- Front-operated base mounting design.
Reliable Power Switching for Industrial Systems
Manual change-over switches such as the ABB OT250E03WC provide dependable control for transferring electrical circuits between two available sources. Their robust mechanical construction and wide phase separation make them suitable for demanding industrial electrical installations.
The ABB OT series combines durable switching technology with flexible accessory options, allowing engineers to configure installations according to operational requirements while maintaining reliable performance.
Typical Applications
- Industrial electrical distribution panels.
- Generator and mains transfer systems.
- Commercial power switching installations.
- Manufacturing and process facilities.
- Low-voltage switchboards.
- Electrical control and automation assemblies.
Technical Specifications
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| Mounting Type | Base mounting | |
|---|---|---|
| Operation | Manual | |
| Device Type | Manual changeover switch | |
| Series | OT Change-over Switches | |
| Product type | Manual change-over switch | |
| Order code | 1SCA022767R8790 | |
| Rated current | 250 A | |
| Number of poles | 3 poles | |
| Transition type | Open | |
| Phase distance | Wide phase distance | |
| Operating mechanism | Mechanism at the end of the switch 03 (Left Side) | |
| Operating mode | Front operated | |
| Mounting type | Base mounting | |
| Rated operational voltage | 1000 V | |
| Rated insulation voltage | 1000 V | |
| Rated impulse withstand voltage | 12 kV | |
| Rated short-time withstand current | 8 kA for 1 s | |
| Rated operational current AC-21A | 250 A | |
| Rated operational current AC-22A | 250 A | |
| Rated operational current AC-23A | 250 A | |
| Rated operational power AC-23A | 140 kW at 380–415 V AC | |
| Terminal type | Screw terminals | |
| Terminal width | 20 mm | |
| Tightening torque | 15–22 N·m | |
| Handle type | Handle and shaft not included | |
| Handle colour | Black | |
| Protection rating | Front IP20 | |
| Dimensions (H × W × D) | approx. 170 × 194 × 160 mm | |
| Weight | approx. 3.17 kg |
Frequently Asked Questions
What is the ABB OT250E03WC used for?
The ABB OT250E03WC is used for manual switching and source transfer applications in low-voltage electrical distribution systems.
What current rating does this change-over switch have?
The OT250E03WC has a rated current of 250 A.
How many poles does the ABB OT250E03WC have?
This change-over switch has a three-pole configuration.
Is the handle and shaft included?
No, the OT250E03WC is supplied without handle and shaft; these accessories must be ordered separately.
What type of transition does the switch use?
The ABB OT250E03WC uses an open transition switching arrangement.
Trusted by Industry for Reliable Switching
ABB OT change-over switches are widely used in industrial and commercial electrical systems where reliable manual switching, robust construction and flexible installation options are required.
