Chint SRS-420 enclosed rotary isolator with a 20A current rating, 4 pole switching configuration and IP65 enclosure for safe AC electrical isolation.
£37.48
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.
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.
| Current | 20 A |
|---|---|
| Phase | Three Phase |
| 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 |
The SRS-420 is used to manually isolate electrical circuits so equipment can be safely serviced, maintained or shut down.
The Chint SRS-420 has a 20 A rated current.
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.
The isolator features an IP65-rated enclosure, helping protect against dust and water ingress for suitable indoor and outdoor applications.
Yes. The rotary handle can be padlocked in the OFF position to help prevent accidental re-energisation during maintenance.
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.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...