EMAS PSA040AK531S 40 A 5 pole rotary cam switch designed for reliable industrial on-off switching and electrical isolation applications.
£58.15
The EMAS PSA040AK531S is a robust and reliable rotary cam switch designed for industrial on-off switching applications requiring dependable manual control and electrical isolation. As part of the trusted EMAS PSA series cam switch range, it provides reliable switching performance for machinery, electrical panels and industrial automation systems.
This cam switch features a durable 64 × 64 mm panel mounting format with a precision cam mechanism designed for reliable operation and long service life. Its five-pole 0-1 on-off switching configuration provides flexible manual control for industrial electrical circuits requiring multiple contact switching.
With a rated current of 40 A, a 5-pole configuration and a 0-1 on-off switching function, the PSA040AK531S is suitable for industrial control panels, machinery isolation and electrical switching applications where reliable manual operation is required.
Rotary cam switches such as the EMAS PSA040AK531S provide a dependable method of manually switching and isolating electrical circuits in industrial equipment. The cam-operated mechanism ensures positive operation and reliable control for machinery and electrical systems.
The EMAS PSA series combines compact construction, high switching reliability and long service life. Its standardised 64 × 64 mm design allows straightforward installation into industrial control panels where reliable manual switching is required.
| Manufacturer | EMAS |
|---|---|
| Series | PSA Cam Switches |
| Model | PSA040AK531S |
| Product type | Rotary cam switch / on-off switch |
| Rated current | 40 A |
| Switching type | On-off |
| Switching positions | 0-1 |
| Number of poles | 5-pole |
| Frame size | 64 × 64 mm |
| Usage category | AC21A |
| Insulation voltage | 690 V |
| Impulse withstand voltage | 4 kV |
| Protection rating | IP54 |
| Contact material | AgNi |
| Switching angle | 60° |
| Cable section | 4 mm² |
| Mechanical life | minimum 100,000 operations |
| Electrical life | minimum 50,000 operations |
| Operating temperature | -25 to +80 °C |
| Standard | TS EN 60947-3 |
The EMAS PSA040AK531S is a rotary cam switch used for manual on-off switching and isolation of industrial electrical circuits.
The switch has a rated current of 40 A.
The PSA040AK531S is a 5-pole cam switch designed for industrial switching applications.
The switch provides a 0-1 on-off switching function.
The EMAS PSA040AK531S uses a 64 × 64 mm panel mounting format.
EMAS PSA series cam switches are widely used in industrial automation and electrical control applications where reliable isolation, compact installation and long operating life are required.
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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...