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EMAS PSA120MS134S EMAS 120 A 1 POLE MTR CNTRL CAM SWIT. R-L (1-0-2) 60
EMAS PSA120MS134S 120A inverter single phase rotary cam switch designed for industrial electrical switching and control applications.
£86.21
Why Choose the EMAS PSA120MS134S Inverter Cam Switch?
The EMAS PSA120MS134S is a robust and reliable rotary cam switch designed for single-phase inverter and motor control applications requiring dependable manual circuit switching. As part of the advanced EMAS PSA series cam switch range, it provides a compact and durable solution for electrical panels, machinery and industrial automation systems.
This cam switch is engineered for high-current manual switching applications, offering precise rotary operation, long service life and straightforward panel integration. The PSA series combines durable construction with flexible switching configurations suitable for industrial control, power management and machine applications.
With a rated current of 120 A, a 1-phase inverter switching configuration and a 1-0-2 switching position, the EMAS PSA120MS134S is ideal for applications requiring manual selection between operating modes. Its 60° switching angle and 85 × 85 frame size provide controlled operation for industrial electrical systems.
Key Advantages
- Heavy-duty rotary cam switch designed for industrial inverter applications.
- 120 A current rating for high-current switching requirements.
- Single-phase inverter (1-0-2) switching configuration.
- Reliable manual rotary operation with clear switching positions.
- Compact 85 × 85 mounting format for industrial panels.
- Suitable for machinery, automation and electrical control systems.
Key Features
- EMAS PSA series cam switch.
- 120 A rated operational current.
- 1-phase inverter switch type.
- Switching function (1-0-2).
- 60° rotary switching angle.
- 85 × 85 cam switch frame size.
- High precision switching mechanism.
- Designed for industrial control panels and electrical assemblies.
Reliable Switching for Industrial Control Systems
Rotary cam switches such as the EMAS PSA120MS134S provide a dependable method of manually controlling electrical circuits in industrial applications. Their mechanical switching action allows operators to select operating modes safely and efficiently.
The EMAS PSA series is designed for panel builders, automation engineers and electrical installers requiring reliable switching components with high current capability, robust construction and long operational life.
Typical Applications
- Industrial electrical control panels.
- Single-phase inverter control systems.
- Machine control and automation equipment.
- Motor switching applications.
- Industrial machinery control systems.
- OEM control cabinets and electrical assemblies.
Technical Specifications
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| Product Series | Emas PSA Series | |
|---|---|---|
| Device Type | Cam Switch | |
| IP Rating | IP54 | |
| Manufacturer | EMAS | |
| Series | PSA Series Cam Switches | |
| Model | PSA120MS134S | |
| Product type | Rotary cam switch | |
| Switch type | Inverter switch | |
| Current rating | 120 A | |
| Phase configuration | 1-phase | |
| Switching position | 1-0-2 | |
| Switching angle | 60° | |
| Frame size | 85 × 85 | |
| Usage category | AC21A | |
| Insulation voltage | 690 V | |
| Impulse withstand voltage | 4 kV | |
| Protection rating | IP54 | |
| Contact material | AgNi | |
| Cable section | 16 mm² | |
| Operating temperature | -25 / +80 °C | |
| Mechanical life | minimum 100,000 operations | |
| Electrical life | minimum 50,000 operations | |
| Short circuit breaking capacity | 6 kA | |
| Standard | TS EN 60947-3 |
Frequently Asked Questions
What is the EMAS PSA120MS134S used for?
The EMAS PSA120MS134S is an inverter rotary cam switch used for manual single-phase circuit selection and industrial control applications.
What is the current rating of this cam switch?
The PSA120MS134S has a rated current of 120 A.
What switching configuration does this product have?
The switch uses a 1-phase inverter (1-0-2) configuration with a 60° rotary switching action.
What is the mounting size of this cam switch?
The PSA120MS134S features an 85 × 85 frame size for industrial panel mounting.
Which series does the PSA120MS134S belong to?
The product belongs to the EMAS PSA series rotary cam switch range.
Trusted by Industrial Control Engineers
EMAS PSA series cam switches are widely used in industrial automation and electrical control applications where reliable manual switching, high current capability and long service life are required.
