EMAS PSA016OK422S 16 A four pole voltmeter measuring rotary cam switch designed for phase-to-phase voltage selection and industrial electrical control applications.
£23.21
The EMAS PSA016OK422S is a reliable three-phase voltmeter measuring rotary cam switch designed for electrical measurement selection, instrumentation panels and industrial control applications. As part of the robust EMAS PSA series cam switch range, it provides dependable manual selection between measurement points in electrical distribution systems and automation panels.
This cam switch features a compact 48 × 48 mm panel mounting format with a four-position measuring function, allowing operators to select phase-to-phase voltage measurement points using a single rotary control device. Its durable mechanical construction and reliable contact system make it suitable for industrial electrical environments.
With a rated current of 16 A, a four-pole configuration, a phase-to-phase voltmeter measuring function and a 45° switching angle, the EMAS PSA016OK422S is ideal for panel-mounted voltage measurement selection applications.
Measuring cam switches such as the EMAS PSA016OK422S provide a simple and dependable method of selecting voltage measurement circuits. The rotary mechanism allows operators to switch between measurement points while maintaining a compact and durable panel-mounted solution.
The PSA series is designed for machine builders, electrical panel manufacturers and automation engineers requiring dependable manual switching components. Its compact format, reliable contacts and robust construction allow straightforward integration into industrial measurement and control systems.
| Manufacturer | EMAS |
|---|---|
| Series | PSA Cam Switches |
| Model | PSA016OK422S |
| Product type | Voltmeter measuring rotary cam switch |
| Rated current | 16 A |
| Switch type | Measuring selector switch |
| Poles | 4 poles |
| Measurement type | Phase-to-phase voltage selection |
| Positions | 4 positions |
| Switching angle | 45° |
| Frame size | 48 × 48 mm |
| Protection rating | IP54 |
| Rated insulation voltage | 690 V |
| Contact material | AgNi |
| Mounting type | Panel mounting |
| Mechanical life | minimum 100,000 operations |
| Operating temperature | -25 to +80 °C |
The EMAS PSA016OK422S is a voltmeter measuring cam switch used for manual selection of phase-to-phase electrical measurement circuits.
The switch has a rated operating current of 16 A.
The PSA016OK422S provides a four-position rotary selection function with a 45° switching angle.
The PSA016OK422S is designed for phase-to-phase voltmeter measurement selection in industrial electrical systems.
The switch is typically installed in panel-mounted industrial control cabinets, measurement panels and electrical distribution systems.
EMAS PSA series cam switches are widely used in industrial applications to provide reliable manual measurement selection, switching flexibility and efficient control of 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...