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OT250E04W ABB 250 A 4-Pole Switch Disconnector
ABB OT250E04W 1SCA022744R3720 is a 250 A four-pole front-operated switch disconnector with increased pole spacing, supplied without an operating handle and shaft for dependable industrial electrical switching and isolation.
£250.94
Why Choose the ABB OT250E04W Switch Disconnector?
The ABB OT250E04W, order code 1SCA022744R3720, is a 250 A 4-pole switch disconnector designed for dependable manual switching and electrical isolation in industrial and commercial low-voltage installations. Part of the established ABB OT switch-disconnector series, it combines robust electrical performance with a wide-pole construction for switchboards, distribution equipment and machinery.
The OT250E04W is a front-operated, base-mounted 4-pole switch disconnector with increased spacing between the poles. It is supplied without an operating handle and shaft, allowing the appropriate ABB operating accessories to be selected separately according to the enclosure depth, switchboard arrangement and installation requirements.
Rated at 250 A, the OT250E04W provides AC-21 and AC-23 operational current ratings of 250 A at 400 V AC, together with an AC-23 operational power rating of 145 kW at 400 V. A maximum rated operational voltage of 1000 V AC and a short-time withstand current of 8 kA support demanding industrial power distribution duties.
Key Advantages
- Heavy-duty 250 A 4-pole switch disconnector for industrial switching and isolation.
- Wide-pole construction provides increased spacing between the poles.
- 250 A AC-23 rating at 400 V AC for demanding switching applications.
- 145 kW AC-23 operational power rating at 400 V.
- Supplied without handle and shaft, allowing operating accessories to be selected for the installation.
- Front-operated, base-mounted construction provides straightforward integration into switchboards and electrical panels.
Key Features
- ABB OT250 switch-disconnector series.
- 250 A rated current.
- 4-pole switching configuration.
- Increased spacing between poles.
- 250 A AC-21 / AC-23 rating at 400 V AC.
- 1000 V AC maximum rated operational voltage.
- 8 kA rated short-time withstand current.
- Operating handle and shaft not included.
Reliable Four-Pole Electrical Isolation
The ABB OT250E04W provides a clearly defined means of manually switching and isolating low-voltage electrical circuits. Its four-pole construction allows four conductors to be switched as part of the isolation arrangement, while the increased spacing between poles supports installations where additional phase separation is required.
With its 250 A current rating, 145 kW AC-23 rating at 400 V and 8 kA short-time withstand capability, the OT250E04W is suited to demanding industrial power applications. Supplying the switch without a handle and shaft also gives panel builders flexibility to select the appropriate ABB operating arrangement for the finished enclosure.
Typical Applications
- Industrial machinery and equipment isolation.
- Main and sub-distribution switchboards.
- Four-pole electrical distribution systems.
- Industrial control panels and electrical enclosures.
- Motor and process equipment isolation.
- Commercial and industrial power distribution systems.
Technical Specifications
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| Poles | 4-pole | |
|---|---|---|
| Device Type | Switch Disconnector | |
| Current | 250 A | |
| Power | 145 kW | |
| Product Series | ABB OT | |
| Series | OT / OT250 | |
| Order code / MPN | 1SCA022744R3720 | |
| ABB product group | 311027-OT Switches | |
| Product type | Switch disconnector | |
| Rated current | 250 A | |
| Number of poles | 4 | |
| Pole configuration | Increased spacing between poles | |
| Rated operational current AC-21 at 400 V | 250 A | |
| Rated operational current AC-23 at 400 V | 250 A | |
| Rated operational power AC-23 at 400 V | 145 kW | |
| Maximum rated operational voltage | 1000 V AC | |
| Rated short-time withstand current | 8 kA | |
| Operating mode | Front operated | |
| Mounting type | Base mounting | |
| Main circuit connection | Bolted connection | |
| Handle | Not included | |
| Operating shaft | Not included | |
| Device protection rating | IP00 | |
| Width | 212.5 mm | |
| Height | 150 mm | |
| Depth | 82.5 mm | |
| Net weight | approx. 2.2 kg | |
| EAN | 6417019241432 |
Frequently Asked Questions
What is the ABB OT250E04W used for?
The OT250E04W is a 250 A 4-pole switch disconnector designed for manual switching and electrical isolation in industrial machinery, switchboards, control panels and low-voltage power distribution systems.
What is the current rating of the ABB OT250E04W?
The ABB OT250E04W is rated at 250 A, with AC-21 and AC-23 operational current ratings of 250 A at 400 V AC.
How many poles does the OT250E04W have?
The OT250E04W has four poles and features increased spacing between the poles for suitable switchboard and electrical distribution applications.
What is the AC-23 power rating of the ABB OT250E04W?
The OT250E04W has an AC-23 operational power rating of 145 kW at 400 V.
Does the ABB OT250E04W include a handle and shaft?
No. The OT250E04W is supplied without an operating handle and shaft, allowing suitable ABB operating accessories to be selected separately according to the enclosure and installation requirements.
Trusted Switching and Isolation from ABB
ABB OT switch disconnectors provide dependable manual switching and electrical isolation for industrial and commercial power systems, combining robust electrical performance with flexible configurations for switchboards, machinery and distribution assemblies.
