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EMAS PSA010OK421S 10 A three phase measuring rotary cam switch with 4 positions, 45 degree operation and IP54 protection for industrial measurement applications.
£14.44
The EMAS PSA010OK421S is a compact and reliable rotary measuring cam switch designed for electrical measurement and selector applications in industrial control systems. Part of the EMAS PSA series, this switch provides dependable manual selection for measuring circuits, electrical panels and automation equipment requiring accurate position switching.
The PSA010OK421S features a 3-phase measuring configuration with 4 positions, a 45° switching angle and a compact 48 × 48 mm mounting format. Its precision cam mechanism provides clear position selection and reliable operation in industrial environments.
With a rated current of 10 A, insulation voltage of 690 V and an IP54 protection rating, the EMAS PSA010OK421S is suitable for control panels, measuring circuits and industrial electrical systems where dependable manual switching is required.
Measuring cam switches such as the EMAS PSA010OK421S provide reliable manual selection between measurement circuits and electrical monitoring functions. Their robust mechanical design makes them suitable for industrial environments where accurate and repeatable switching is required.
The PSA series is designed for machine builders, panel manufacturers and automation engineers requiring compact selector switches with dependable performance, straightforward installation and long service life.
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| Operation | 4 positions | |
|---|---|---|
| Device Type | Cam Switch | |
| Product Series | Emas PSA Series | |
| IP Rating | IP54 | |
| Manufacturer | EMAS | |
| Series | PSA Cam Switch Series | |
| Model | PSA010OK421S | |
| Product type | Rotary measuring cam switch | |
| Switch type | Measuring | |
| Rated current | 10 A | |
| Position configuration | 4 positions | |
| Phase configuration | 3-phase | |
| 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 | |
| Mechanical life | 100,000 operations | |
| Electrical life | 50,000 operations | |
| Operating temperature | -25 to +80 °C | |
| Cable section | 1–2.5 mm² |
The EMAS PSA010OK421S is a measuring rotary cam switch used for manual selection of electrical measurement circuits in industrial systems.
The switch provides 4 selectable positions with a 45° switching angle.
The EMAS PSA010OK421S has a rated current of 10 A.
The switch is designed for three-phase measuring applications.
The switch is typically installed in industrial control panels, measurement systems and electrical distribution equipment.
EMAS PSA series cam switches are widely used by machine builders and automation engineers to provide reliable manual switching and measurement control solutions for industrial equipment.
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