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EMAS PSA025OK422S EMAS 25 A 4 POS.VOLTMTR MEASURE CAM SWIT. (PHAS- PHAS) 45
EMAS PSA025OK422S three phase measuring cam switch with 25 A rating, four position switching and compact 48 × 48 mm design for industrial measurement applications.
£24.25
Why Choose the EMAS PSA025OK422S Measuring Cam Switch?
The EMAS PSA025OK422S is a compact and reliable three-phase measuring rotary cam switch designed for manual selection of electrical measurement circuits in industrial control panels. As part of the trusted EMAS PSA series cam switch range, it provides precise switching operation, durable construction and dependable performance for electrical distribution, automation and monitoring applications.
This cam switch features a three-phase four-position measuring configuration, allowing operators to select measurement points in electrical systems for monitoring purposes. Its compact 48 × 48 mm panel mounting format enables straightforward installation in industrial control cabinets and measurement panels.
With a rated current of 25 A, a 690 V insulation voltage and a 45° switching angle, the EMAS PSA025OK422S provides reliable manual measurement circuit selection for industrial electrical installations.
Key Advantages
- Compact measuring rotary cam switch designed for industrial control applications.
- 25 A rated current suitable for measurement and control circuits.
- Three-phase four-position switching configuration for flexible measurement selection.
- 48 × 48 mm panel mounting format for compact electrical installations.
- High mechanical durability for reliable long-term operation.
- Suitable for industrial panels, electrical measurement systems and automation applications.
Key Features
- EMAS PSA series cam switch.
- 25 A rated operating current.
- Three-phase measuring switch configuration.
- 4-position selector arrangement.
- 45° operating rotation angle.
- 48 × 48 mm frame size.
- AgNi contact material for reliable electrical performance.
- Compact design for industrial control and measurement panels.
Reliable Measurement Switching for Industrial Systems
Measuring cam switches such as the EMAS PSA025OK422S provide reliable manual selection of electrical measurement circuits by mechanically changing contact positions. This enables operators to select measurement points within industrial electrical systems while maintaining dependable switching performance.
The PSA series is designed for machine builders, panel manufacturers and automation engineers requiring compact switching components with reliable operation and flexible installation options.
Typical Applications
- Voltmeter selector circuits.
- Industrial control panels and electrical cabinets.
- Three-phase electrical measurement systems.
- Power distribution panels.
- Machine monitoring systems.
- Industrial automation installations.
Technical Specifications
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| Operation | 4 positions | |
|---|---|---|
| Product Series | Emas PSA Series | |
| Device Type | Cam Switch | |
| IP Rating | IP54 | |
| Manufacturer | EMAS | |
| Series | PSA Series | |
| Model | PSA025OK422S | |
| Product type | Rotary cam switch | |
| Switch type | Measuring selector switch | |
| Rated current (Ie) | 25 A | |
| Number of positions | 4 positions | |
| Pole / Phase | 3-phase | |
| Frame size | 48 × 48 mm | |
| Operating angle | 45° | |
| Usage category | AC21A | |
| Insulation voltage (Ui) | 690 V | |
| Impulse withstand voltage (Uimp) | 4 kV | |
| Protection rating | IP54 | |
| Contact material | AgNi | |
| Mechanical life | minimum 100000 operations | |
| Electrical life | minimum 50000 operations | |
| Operating temperature | -25 to +80 °C | |
| Cable section | 1-2.5 mm² | |
| Short circuit breaking capacity (Ics) | 6 kA | |
| Standard | TS EN 60947-3 |
Frequently Asked Questions
What is the EMAS PSA025OK422S used for?
The EMAS PSA025OK422S is a three-phase measuring cam switch used for selecting electrical measurement circuits in industrial systems.
What current rating does this cam switch support?
The PSA025OK422S supports a rated current of 25 A.
How many positions does the switch have?
The switch provides a four-position selector configuration with a 45° operating angle.
How many phases does this measuring switch support?
The EMAS PSA025OK422S is designed for three-phase measurement applications.
Where is this cam switch typically installed?
The switch is typically installed in electrical control panels, measurement panels and industrial automation systems.
Trusted by Industrial Control Professionals
EMAS PSA series cam switches are widely used in industrial automation and electrical control applications to provide reliable manual switching, durable operation and flexible installation options.
