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OT250ES40K ABB 250A 4 Pole Switch Disconnector
ABB OT250ES40K switch disconnector with 250 A rating, 4 pole configuration, side-operated mechanism and direct-mounted handle for industrial power isolation applications.
£341.78
Why Choose the ABB OT250ES40K Switch Disconnector?
The ABB OT250ES40K is a high-performance AC switch disconnector designed for safe isolation and switching of industrial electrical circuits. As part of the reliable ABB OT switch disconnector series, it provides dependable operation, robust mechanical construction and flexible installation for demanding low-voltage power distribution applications.
This switch disconnector features a 4-pole configuration, side-operated mechanism and base-mounted construction with a black direct-mounted pistol type handle included. The mechanism is positioned at the end of the switch on the right side, providing convenient manual operation and straightforward integration into industrial switchboards and electrical assemblies. :chatgpt-content-reference{index="0"}
With a rated current of 250 A, AC-23A utilisation category and a main circuit voltage rating up to 1000 V AC, the OT250ES40K is suitable for machinery isolation, power distribution and industrial switching applications requiring reliable manual control. :chatgpt-content-reference{index="1"}
Key Advantages
- Reliable switch disconnector designed for industrial power isolation.
- 250 A rated current capability for industrial electrical systems.
- 4-pole configuration with switched simultaneous fourth pole.
- Side-operated mechanism for flexible installation arrangements.
- Direct-mounted black pistol handle included for ready-to-use operation.
- Base-mounted construction for switchboard and panel integration.
Key Features
- ABB OT switch disconnector series.
- 250 A conventional free-air thermal current at 40 °C.
- 250 A AC-23A rated operational current.
- 4-pole switch disconnector design.
- Mechanism at the end of the switch 40 (right side).
- Side-operated switching mechanism.
- Black direct-mounted pistol type handle.
- Switched simultaneous fourth pole positioned on the right side.
- Lug terminal connection system with terminal bolt kit included.
- Designed according to IEC 60947-3 standards.
Reliable Power Isolation for Industrial Systems
Switch disconnectors such as the ABB OT250ES40K provide dependable manual isolation and switching for electrical circuits. Their robust construction supports safe maintenance procedures and reliable operation in industrial power distribution environments.
The ABB OT series is engineered for flexible electrical installations, offering multiple pole configurations, operating arrangements and accessory options for modern switchboards, machinery and automation systems.
Typical Applications
- Industrial electrical distribution systems.
- Switchboards and electrical panels.
- Machinery isolation and maintenance switching.
- Motor control centres.
- Commercial and industrial power installations.
- Low-voltage energy distribution systems.
Technical Specifications
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| Poles | 4-pole | |
|---|---|---|
| Device Type | Switch Disconnector | |
| Current | 250 A | |
| Product Series | ABB OT | |
| Series | OT Switch Disconnectors | |
| Product type | AC switch disconnector | |
| Rated operational current | 250 A | |
| Utilisation category | AC-23A | |
| Number of poles | 4P | |
| Fourth pole position | Right side | |
| Fourth pole type | Switched - simultaneous function | |
| Rated operational voltage | 1000 V AC | |
| Rated insulation voltage | 1000 V | |
| Rated impulse withstand voltage | 12 kV | |
| Rated short-time withstand current | 8 kA for 1 s | |
| Rated short-circuit making capacity | 30 kA at 690 V | |
| Mounting type | Base mounting | |
| Operating mode | Side operated | |
| Operating mechanism | Mechanism at the end of the switch 40 (right side) | |
| Handle type | Direct mounted pistol type handle | |
| Handle colour | Black | |
| Distance between phases | Standard | |
| Terminal type | Lug terminals | |
| Protection rating | Front IP00 | |
| Mechanical durability | 20000 operations | |
| Dimensions (H × W × D) | 150 × 233.5 × 82 mm | |
| Weight | approx. 2 kg |
Frequently Asked Questions
What is the ABB OT250ES40K used for?
The ABB OT250ES40K is used for manual switching and isolation of electrical circuits in industrial power distribution and machinery applications.
What current rating does this switch disconnector support?
The OT250ES40K has a rated operational current of 250 A.
How many poles does the ABB OT250ES40K have?
The OT250ES40K is a 4-pole switch disconnector with a switched simultaneous fourth pole.
What type of handle is included?
The OT250ES40K includes a black direct-mounted pistol type handle for manual operation.
Where is the OT250ES40K typically installed?
The OT250ES40K is typically installed in industrial switchboards, electrical panels and power distribution assemblies.
Trusted by Industrial Power Engineers Worldwide
ABB OT switch disconnectors are widely used by electrical engineers and industrial operators to provide reliable isolation, efficient switching and dependable performance in demanding power distribution applications.
