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OT250E03CP ABB 250 A 3-Pole Manual Changeover Switch
ABB OT250E03CP is a 250 A 3-pole I-O-II open-transition manual changeover switch supplied with an IP65 pistol handle and shaft for reliable three-phase power source selection.
£633.77
Why Choose the ABB OT250E03CP 250 A 3-Pole Manual Changeover Switch?
The ABB OT250E03CP is a robust 250 A 3-pole manual changeover switch designed for reliable source selection in low-voltage electrical distribution systems. As part of the ABB OT Changeover Switches range, it provides dependable manual switching between two electrical supplies for industrial switchboards, distribution panels, generator systems and alternative power installations.
This IEC-type changeover switch provides I-O-II open-transition operation with a stable OFF position, ensuring that the circuit passes through isolation when changing between the two sources. Its three-pole construction is suitable for three-phase systems, while the handle can be padlocked in the OFF position for secure isolation.
Rated at 250 A, the OT250E03CP provides 250 A AC-21A/AC-22A performance at up to 415 V and an AC-23A rating of 250 A / 140 kW at 400–415 V. It is supplied with a black plastic IP65 I-O-II pistol handle, operating shaft and bolt set for cable connections, providing a complete manual operating arrangement.
Key Advantages
- Heavy-duty 250 A manual changeover switch for industrial power distribution.
- 3-pole configuration suitable for three-phase electrical systems.
- I-O-II open-transition operation with a stable OFF position.
- Handle is padlockable in the OFF position for secure isolation.
- 250 A / 140 kW AC-23A rating at 400–415 V.
- Supplied with IP65 pistol handle, operating shaft and cable connection bolt set.
- Door interlocking available in the I and II positions and when padlocked.
Key Features
- ABB OT Changeover Switches range.
- 250 A rated current.
- 3-pole switching configuration.
- Manual I-O-II open-transition source selection.
- Stable OFF position between source positions.
- 250 A AC-21A / AC-22A rating at up to 415 V.
- 250 A / 140 kW AC-23A rating at 400–415 V.
- 1000 V rated operational voltage.
- 12 kV rated impulse withstand voltage.
- 8 kA for 1 s rated short-time withstand current.
- Black plastic IP65 I-O-II pistol-type handle.
Reliable Three-Phase Power Source Changeover
Manual changeover switches provide a controlled method of selecting between two electrical supplies. The ABB OT250E03CP uses an I-O-II open-transition arrangement with a stable OFF position, ensuring that the load is disconnected from one source before connection to the alternative source.
The three-pole construction and 250 A rating make the OT250E03CP suitable for substantial three-phase power distribution applications. Its supplied IP65 pistol handle, shaft and connection hardware simplify integration into switchboards and electrical panels while providing secure manual source selection.
Typical Applications
- Main and alternative power supply changeover systems.
- Generator and mains source-selection systems.
- Industrial low-voltage distribution switchboards.
- Three-phase electrical distribution panels.
- Industrial machinery and plant power systems.
- Commercial and infrastructure electrical installations.
Technical Specifications
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| Mounting Type | Base mounting | |
|---|---|---|
| Operation | Manual | |
| Device Type | Manual changeover switch | |
| Series | OT Changeover Switches | |
| ABB order code | 1SCA022771R3450 | |
| Product type | Manual changeover switch | |
| Rated current | 250 A | |
| Number of poles | 3 | |
| Operation | Manual | |
| Switch positions | I-O-II | |
| Transition type | Open transition | |
| OFF position | Stable | |
| Rated operational voltage | 1000 V | |
| Rated insulation voltage | 1000 V | |
| Rated impulse withstand voltage | 12 kV | |
| AC-21A / AC-22A rated current at ≤415 V | 250 A | |
| Rated apparent power at 400 V | 170 kVA | |
| AC-23A rating at 400–415 V | 250 A / 140 kW | |
| Rated short-time withstand current | 8 kA for 1 s | |
| Mounting type | Base mounting | |
| Handle | Black plastic IP65 I-O-II pistol handle | |
| Operating shaft | OXP6X161, included | |
| Bolt kit | M8 × 25, included | |
| Weight | 3.3 kg | |
| Product group | OT Change over Switches |
Frequently Asked Questions
What is the ABB OT250E03CP used for?
The ABB OT250E03CP is used to manually select between two electrical supplies in three-phase low-voltage power distribution systems.
What is the current rating of the OT250E03CP?
The OT250E03CP has a rated current of 250 A.
How many poles does the OT250E03CP have?
The OT250E03CP is a 3-pole manual changeover switch suitable for three-phase electrical systems.
What is the AC-23A rating of the OT250E03CP?
The OT250E03CP is rated at 250 A / 140 kW for AC-23A duty at 400–415 V.
Does the ABB OT250E03CP include a handle and shaft?
Yes. The OT250E03CP is supplied with a black plastic IP65 I-O-II pistol handle, OXP6X161 operating shaft and M8 × 25 bolt set.
Trusted for Industrial Power Distribution
ABB OT manual changeover switches are designed for dependable source selection in industrial and commercial electrical distribution systems, combining robust switching performance with secure manual operation and practical installation.
