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srs-420 chint 20a 4p rotary isolator
Chint SRS-420 enclosed rotary isolator with a 20A current rating, 4 pole switching configuration and IP65 enclosure for safe AC electrical isolation.
£16.87
Why Choose the Chint SRS-420 Enclosed Rotary Isolator?
The Chint SRS-420 is a dependable 4 pole enclosed rotary isolator designed to provide safe manual isolation of electrical circuits in industrial, commercial and control panel applications. Manufactured by Chint, this isolator delivers reliable switching performance for machinery, electrical distribution systems and equipment requiring secure disconnection before maintenance.
Designed for practical installation, the SRS-420 is housed within a robust IP65-rated enclosure that helps protect the switch mechanism against dust and water ingress. Its rotary handle provides clear ON/OFF operation, allowing maintenance engineers and electrical contractors to isolate equipment safely before inspection, servicing or repair work.
With a 20 A current rating and 4 pole switching configuration, the Chint SRS-420 is ideal for isolating three-phase AC supplies where a neutral pole is also required. Its enclosed, surface mounted design makes it suitable for machinery, pumps, fans, HVAC equipment and industrial control systems.
Key Advantages
- Reliable 4 pole enclosed rotary isolator for industrial circuit isolation.
- 20 A current rating suitable for smaller three-phase loads.
- IP65 enclosure helps protect against dust and water ingress.
- Rotary handle provides clear and simple manual operation.
- Padlockable OFF position supports safe maintenance procedures.
- Manufactured by Chint for dependable electrical performance.
Key Features
- Chint SRS Series enclosed rotary isolator.
- 20 A rated current.
- 4 pole switching configuration.
- IP65 protection rating.
- Surface mounted enclosed housing.
- Red and yellow rotary operating handle.
- Padlockable handle for improved isolation safety.
- Suitable for industrial and commercial AC isolation.
Reliable Electrical Isolation for Three-Phase Systems
Enclosed rotary isolators provide a secure and visible method of disconnecting electrical power before maintenance, inspection or servicing is carried out. This helps reduce electrical risk and supports safer working practices around machinery and electrical equipment.
The Chint SRS range is commonly used by panel builders, electrical contractors and maintenance engineers where reliable manual isolation, enclosure protection and straightforward operation are essential.
Typical Applications
- Industrial machinery isolation.
- Control panels and switchboards.
- Pumps, fans and ventilation systems.
- HVAC equipment.
- Manufacturing and process equipment.
- Commercial and industrial electrical installations.
Technical Specifications
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| Device Type | Enclosed safety switch / isolator | |
|---|---|---|
| Current | 20 A | |
| Phase | Three Phase | |
| Poles | 4-pole | |
| Manufacturer | Chint | |
| Series | SRS | |
| Model | SRS-420 | |
| Product type | Enclosed rotary isolator | |
| Rated current | 20 A | |
| Number of poles | 4 Pole | |
| Operating mechanism | Rotary | |
| Mounting type | Surface mounted enclosed unit | |
| Protection rating | IP65 | |
| Application | AC electrical isolation | |
| Suitable for | Industrial machinery, control panels and distribution systems |
Frequently Asked Questions
What is the Chint SRS-420 used for?
The SRS-420 is used to manually isolate electrical circuits so equipment can be safely serviced, maintained or shut down.
What is the current rating of the Chint SRS-420?
The Chint SRS-420 has a 20 A rated current.
How many poles does the SRS-420 have?
This model has a 4 pole switching configuration, making it suitable for three-phase AC isolation applications where a neutral pole may also be required.
Is the Chint SRS-420 suitable for outdoor installation?
The isolator features an IP65-rated enclosure, helping protect against dust and water ingress for suitable indoor and outdoor applications.
Can the SRS-420 be padlocked?
Yes. The rotary handle can be padlocked in the OFF position to help prevent accidental re-energisation during maintenance.
Trusted by Electrical Professionals Worldwide
Chint SRS enclosed rotary isolators are trusted by electrical contractors, panel builders and industrial engineers for safe circuit isolation, robust enclosure protection and dependable long-term performance.
