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EMAS PSA120KD333S EMAS 120 A 3 POLES CHANGEOVER CAM SWIT ( 1-2) 60
EMAS PSA120KD333S 120A 3 pole changeover rotary cam switch designed for industrial electrical switching and control applications.
£113.86
Why Choose the EMAS PSA120KD333S Cam Switch?
The EMAS PSA120KD333S is a robust and reliable rotary cam switch designed for industrial switching and control applications requiring dependable three-pole circuit changeover operation. 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 reliable mechanical construction with flexible switching configurations suitable for industrial control and power management applications.
With a rated current of 120 A, a 3-pole changeover configuration and a 1-2 switching position, the EMAS PSA120KD333S is ideal for applications requiring manual selection between two three-phase electrical circuits. 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 applications.
- 120 A current rating for high-current switching requirements.
- 3-pole changeover (1-2) 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.
- 3-pole construction.
- Changeover switching function (1-2).
- 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 PSA120KD333S provide a dependable method of manually controlling and selecting electrical circuits. Their mechanical switching action allows operators to manage industrial systems with clear and precise position selection.
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.
- Three-phase machine control systems.
- Electrical distribution equipment.
- Motor and circuit selection applications.
- Industrial machinery switching systems.
- OEM control cabinets and electrical assemblies.
Technical Specifications
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| Operation | 2 positions | |
|---|---|---|
| Device Type | Cam Switch | |
| Product Series | Emas PSA Series | |
| IP Rating | IP54 | |
| Manufacturer | EMAS | |
| Series | PSA Series Cam Switches | |
| Model | PSA120KD333S | |
| Product type | Rotary cam switch | |
| Switch type | Changeover | |
| Current rating | 120 A | |
| Pole configuration | 3-pole | |
| Switching position | 1-2 | |
| 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 | |
| Standard | TS EN 60947-3 |
Frequently Asked Questions
What is the EMAS PSA120KD333S used for?
The EMAS PSA120KD333S is a rotary cam switch used for manual three-pole circuit changeover and electrical control applications in industrial systems.
What is the current rating of this cam switch?
The PSA120KD333S has a rated current of 120 A.
What switching configuration does this product have?
The switch uses a 3-pole changeover (1-2) configuration with a 60° rotary switching action.
What is the mounting size of this cam switch?
The PSA120KD333S features an 85 × 85 frame size for industrial panel mounting.
Which series does the PSA120KD333S 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.
