EMAS PSA025KS134S rotary cam switch, a 25 A single pole 0-4 four-position selector switch designed for industrial control panels and automation applications.
£38.08
The EMAS PSA025KS134S is a robust and reliable multi-position rotary cam switch designed for industrial electrical control applications requiring accurate manual switching. As part of the EMAS PSA series, this compact pako switch provides dependable step selection control for machinery, automation systems and electrical panels.
This four-step cam switch is engineered for long service life and high contact reliability, making it suitable for industrial applications where controlled position switching is required. Its compact 48 × 48 mm frame design enables straightforward installation in control panels and machine enclosures.
With a rated current of 25 A, a single-pole 0-4 four-position switching configuration and a 60° switching angle, the EMAS PSA025KS134S is ideal for selector switching applications requiring reliable and precise manual control.
Rotary cam switches such as the EMAS PSA025KS134S provide a practical method for selecting operating modes, controlling circuits and switching between electrical positions in industrial equipment. Their mechanical switching design ensures reliable operation and precise manual control.
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 | PSA025KS134S |
| Product type | Rotary cam switch |
| Switch type | Four-position selector switch |
| Rated current | 25 A |
| Poles | 1-pole |
| Switch positions | 0-4 |
| Switching angle | 60° |
| Frame size | 48 × 48 mm |
| Usage category | AC21A |
| Insulation voltage | 690 V |
| Impulse withstand voltage | 4 kV |
| Protection rating | IP54 |
| Contact material | AgNi |
| Cable connection section | 1–2.5 mm² |
| Operating temperature | -25 to +80 °C |
| Mechanical life | minimum 100,000 operations |
| Electrical life | minimum 50,000 operations |
| Short-circuit withstand capacity | 6 kA |
The EMAS PSA025KS134S is a four-position 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 0-4 four-position switching configuration with a 60° operating angle.
The PSA025KS134S 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...