EMAS PSA025KT123S step rotary cam switch, a 25 A single pole 0-3 selector switch designed for industrial control panels and automation applications.
£29.50
The EMAS PSA025KT123S is a compact and reliable step rotary cam switch designed for manual electrical control and selector applications in industrial machinery, automation systems and electrical panels. As part of the proven EMAS PSA series, this switch provides accurate position selection with durable mechanical construction and dependable electrical performance.
This cam switch is designed for applications requiring multiple fixed switching positions, allowing operators to manually select between operating states in industrial equipment. Its compact 48 × 48 mm panel design enables straightforward installation in control cabinets and machine enclosures.
With a rated current of 25 A, a 1-pole step switching configuration, a 0-3 three-position selector arrangement and a 45° switching angle, the EMAS PSA025KT123S is suitable for industrial selector control applications requiring reliable manual switching.
Rotary cam switches such as the EMAS PSA025KT123S provide a practical solution for manually selecting operating modes and controlling electrical circuits in industrial equipment. Their step switching mechanism enables precise operator control while maintaining reliable performance in demanding environments.
The PSA series is designed for machine builders, electrical panel manufacturers and automation engineers requiring compact selector switches with durable construction, reliable contacts and simple panel integration.
| Manufacturer | EMAS |
|---|---|
| Series | PSA Series |
| Model | PSA025KT123S |
| Product type | Rotary cam switch |
| Switch type | Step selector switch |
| Rated current | 25 A |
| Poles | 1-pole |
| Switch positions | 0-3 |
| Number of positions | 4 positions |
| Switching angle | 45° |
| Frame size | 48 × 48 mm |
| Usage category | AC21A |
| Insulation voltage | 690 V |
| Impulse withstand voltage | 4 kV |
| Protection rating | IP54 |
| Contact material | AgNi |
| Cable section | 1–2.5 mm² |
| Operating temperature | -25 to +80 °C |
| Mechanical life | minimum 100,000 operations |
| Electrical life | minimum 50,000 operations |
The EMAS PSA025KT123S is a step rotary cam switch used for manual circuit selection and control in industrial machinery and electrical panels.
The switch has a rated operational current of 25 A.
The switch provides a 0-3 three-position switching configuration with a 45° operating angle.
The PSA025KT123S features a compact 48 × 48 mm frame size suitable for panel mounting.
The switch is typically installed in electrical control panels, machine cabinets and industrial automation systems.
EMAS PSA series cam switches are widely used in industrial automation and electrical control systems where reliable manual switching, compact installation and durable performance 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...