EMAS PSA080KS127S step cam switch, an 80 A one-pole seven-step rotary switch designed for industrial circuit selection and control applications.
£145.37
The EMAS PSA080KS127S is a robust and reliable rotary step cam switch designed for multi-position manual control and circuit selection in industrial electrical systems. As part of the trusted EMAS PSA Series cam switch range, it provides dependable switching performance for control panels, machinery and industrial automation applications.
This cam switch features a durable construction designed for demanding industrial environments. Its compact 85 × 85 mm mounting format, reliable switching mechanism and long mechanical service life make it suitable for electrical panels, control systems and applications requiring multiple selectable switching positions.
With a rated current of 80 A, a 1-pole configuration and a seven-step 0-7 switching sequence, the PSA080KS127S is ideal for applications requiring progressive circuit selection across multiple positions. The 45° switching angle provides clear and controlled manual operation.
Rotary step cam switches such as the EMAS PSA080KS127S provide a dependable method of manually selecting between multiple electrical positions in industrial equipment. Their robust mechanical construction allows repeated switching operations while maintaining reliable electrical performance.
The PSA Series is designed for industrial automation engineers and panel builders requiring compact, durable switching solutions. Its flexible step configurations allow integration into a wide range of electrical control and machine automation systems.
| Manufacturer | EMAS |
|---|---|
| Series | PSA Series |
| Model | PSA080KS127S |
| Product type | Rotary step cam switch |
| Switch type | Seven Steps |
| Current rating (Ie) | 80 A |
| Pole configuration | 1 pole |
| Switching position | 0-7 |
| Operating angle | 45° |
| Frame size | 85 × 85 mm |
| Usage category | AC21A |
| Insulation voltage (Ui) | 690 V |
| Impulse withstand voltage (Uimp) | 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 PSA080KS127S is a rotary step cam switch used for multi-position manual circuit selection and control in industrial electrical systems.
The switch has a rated operational current of 80 A.
The PSA080KS127S features a 1-pole switching configuration.
The switch provides a seven-step 0-7 switching function with a 45° operating angle.
The PSA080KS127S is typically installed in industrial control panels, electrical cabinets and machine automation systems.
EMAS PSA Series cam switches are widely used by automation engineers and machine builders to provide reliable manual switching, circuit selection and control solutions in industrial electrical systems.
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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...