EMAS PSA025KD133S 25 A single-pole changeover rotary cam switch with 1-2 switching sequence and 60° operation designed for industrial circuit selection applications.
£21.20
The EMAS PSA025KD133S is a reliable industrial rotary changeover cam switch designed for manual switching and circuit selection applications in control panels, machinery and automation systems. As part of the EMAS PSA series cam switch range, it provides dependable switching performance with a compact 48 × 48 mm panel format.
This changeover cam switch features a 1-2 switching sequence with a 60° operating angle, allowing operators to manually select between two switching positions. Its compact construction, high precision mechanism and durable contacts make it suitable for a wide range of industrial electrical control applications.
With a rated current of 25 A, single-pole switching configuration and 60° rotary operation, the EMAS PSA025KD133S is ideal for applications requiring dependable manual changeover control in electrical systems.
Rotary cam switches such as the EMAS PSA025KD133S provide a practical solution for manually selecting between electrical circuits. Their mechanical switching mechanism enables reliable operation in industrial equipment, automation systems and electrical control cabinets.
The PSA series is designed for panel builders and industrial automation engineers requiring compact switching devices with dependable performance. The PSA025KD133S combines precise changeover operation, robust construction and reliable contacts for industrial environments.
| Manufacturer | EMAS |
|---|---|
| Series | PSA Series |
| Model | PSA025KD133S |
| Product type | Rotary cam switch |
| Switch type | Changeover |
| Label / positions | 1-2 |
| Rated current (Ie) | 25 A |
| Pole / phase configuration | 1 pole |
| Switching angle | 60° |
| Frame size | 48 × 48 |
| Usage category | AC21A |
| Insulation voltage (Ui) | 690 V |
| Impulse withstand voltage (Uimp) | 4 kV |
| Protection rating | IP54 |
| Contact material | AgNi |
| Operating temperature | -25 to +80 °C |
| Mechanical life | 100,000 operations minimum |
| Electrical life | 50,000 operations minimum |
| Standard | TS EN 60947-3 |
The EMAS PSA025KD133S is a rotary changeover cam switch used for manual selection between electrical circuits in industrial systems.
The PSA025KD133S has a rated operational current of 25 A.
The switch provides a 1-2 changeover switching function for selecting between two circuit positions.
The EMAS PSA025KD133S has an IP54 protection rating for industrial installation environments.
The switch is typically installed in industrial control panels, electrical cabinets and machinery control systems.
EMAS PSA series cam switches are widely used in industrial control applications to provide reliable manual switching, circuit selection and machine control solutions.
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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...