EMAS PSA040AK541E rotary cam switch, a 40 A 5-pole On-Off safety switch designed for industrial control panels and electrical switching applications.
£58.15
The EMAS PSA040AK541E is a robust and reliable rotary cam switch designed for safe manual isolation and On-Off control in industrial electrical systems. As part of the proven EMAS PSA Series cam switch range, it provides dependable switching performance for control panels, machinery and automation applications.
This cam switch features a durable construction designed for demanding industrial environments. Its safety switching configuration, compact mounting format and high mechanical endurance make it suitable for machine control, electrical distribution panels and industrial equipment requiring reliable manual switching operation.
With a rated current of 40 A, a 5-pole configuration and a 90° switching angle, the PSA040AK541E is ideal for On-Off isolation and control applications where safe and dependable switching is required. The 64 × 64 mm mounting format allows straightforward integration into electrical control panels.
Rotary cam switches such as the EMAS PSA040AK541E provide a dependable method of manually controlling, isolating and selecting electrical circuits in industrial equipment. Their robust mechanical design allows repeated switching operations while maintaining reliable electrical performance.
The PSA Series is developed for industrial automation engineers and panel builders requiring compact, long-lasting switching solutions. Its safety-oriented design and high insulation performance make it suitable for integration into modern electrical control systems.
| Manufacturer | EMAS |
|---|---|
| Series | PSA Series |
| Model | PSA040AK541E |
| Product type | Rotary cam switch |
| Switch type | On-Off |
| Current rating (Ie) | 40 A |
| Pole configuration | 5 poles |
| Switch position | 0-1 |
| Operating angle | 90° |
| Frame size | 64 × 64 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 PSA040AK541E is a rotary cam switch used for manual On-Off switching and isolation in industrial electrical systems.
The switch has a rated operational current of 40 A.
The PSA040AK541E features a 5-pole switching configuration.
The switch provides On-Off (0-1) switching operation with a 90° operating angle.
The PSA040AK541E 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, isolation 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...