EMAS PSA050KS135S rotary cam switch, a 50 A 1 pole five-step selector switch designed for industrial control panels and automation applications.
£79.69
The EMAS PSA050KS135S is a robust and reliable rotary cam switch designed for industrial switching, control and automation applications. As part of the EMAS PSA series, it provides dependable manual circuit selection for electrical panels, machinery and industrial systems requiring precise multi-position switching control.
This cam switch combines a compact construction with high switching reliability, making it suitable for demanding industrial environments. The precision cam mechanism provides accurate position control, while the durable design supports long service life in control and distribution applications.
With a rated current of 50 A, a 1-pole configuration and a 0–5 five-step switching sequence, the PSA050KS135S is ideal for applications requiring multiple manual switching positions. It features a 64 × 64 mm mounting format and a 60° switching angle for straightforward panel installation.
Rotary cam switches such as the EMAS PSA050KS135S provide a dependable method for manually selecting electrical circuits and operating modes. The cam-driven switching system enables accurate position changes while maintaining reliable electrical contact performance.
The EMAS PSA series is designed for industrial automation engineers, machine builders and electrical panel manufacturers requiring compact switching devices with high durability, flexible configurations and dependable operation.
| Manufacturer | EMAS |
|---|---|
| Series | PSA Rotary Cam Switches |
| Model | PSA050KS135S |
| Product type | Rotary cam switch |
| Rated current | 50 A |
| Number of poles | 1-pole |
| Switch positions | 0–5 |
| Switching angle | 60° |
| Frame size | 64 × 64 mm |
| Usage category | AC21A |
| Insulation voltage | 690 V |
| Impulse withstand voltage | 4 kV |
| Protection rating | IP54 |
| Contact material | AgNi |
| Mechanical life | minimum 100,000 operations |
| Electrical life | minimum 50,000 operations |
| Operating temperature | -25 to +80 °C |
The EMAS PSA050KS135S is a rotary cam switch used for manual circuit selection and control in industrial automation and electrical panel applications.
The PSA050KS135S has a rated current of 50 A.
The switch provides a 0–5 five-step switching sequence with 60° operating positions.
The EMAS PSA050KS135S features a 1-pole configuration.
The switch is typically installed in industrial control panels, machinery and automation systems requiring reliable manual switching control.
EMAS PSA series cam switches are widely used in industrial automation and electrical control applications where reliable switching performance and durable construction are essential.
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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...