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EMAS PSA120AK431S EMAS 120 A 4 POLES. ON-OFF CAM SWIT (0-1) 60
EMAS PSA120AK431S 120A four pole rotary cam switch designed for reliable industrial On-Off switching and electrical control applications.
£74.74
Why Choose the EMAS PSA120AK431S Cam Switch?
The EMAS PSA120AK431S is a robust and reliable rotary cam switch designed for high-current industrial switching, isolation and control applications. As part of the proven EMAS PSA series, this 120 A On-Off cam switch provides dependable manual control for electrical panels, machinery and industrial automation systems.
This cam switch features a compact industrial design with a 4-pole configuration, a 0-1 On-Off switching function and a 60° operating angle. The PSA series is engineered for high precision, long service life and reliable operation in demanding industrial environments.
With a rated current of 120 A and an 85 × 85 mm mounting frame, the EMAS PSA120AK431S is suitable for industrial control panels, machinery isolation and electrical switching systems requiring dependable multi-pole manual switching performance.
Key Advantages
- High-current rotary cam switch designed for industrial applications.
- 120 A current rating suitable for demanding electrical switching requirements.
- 4-pole On-Off switching configuration for flexible circuit control.
- 60° switching operation for precise manual control.
- Durable construction designed for long operational life.
- Suitable for electrical panels, machinery and automation systems.
Key Features
- EMAS PSA series rotary cam switch.
- 120 A rated current.
- 4-pole configuration.
- On-Off switching function (0-1).
- 60° operating angle.
- 85 × 85 mm frame size.
- IP54 protection rating for industrial environments.
- Compact design with reliable manual switching performance.
Reliable Switching for Industrial Control Systems
Rotary cam switches such as the EMAS PSA120AK431S provide a dependable method for manually controlling and isolating electrical circuits. Their mechanical switching design delivers reliable operation where durability, accuracy and straightforward control are essential.
The PSA series combines robust construction with reliable electrical performance, making it suitable for integration into industrial machinery, automation panels and electrical distribution systems requiring dependable On-Off switching.
Typical Applications
- Industrial electrical control panels.
- Machine isolation and maintenance switching.
- Three-phase motor control equipment.
- Automation and production machinery.
- Industrial distribution systems.
- OEM electrical assemblies.
Technical Specifications
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| Operation | 2 positions | |
|---|---|---|
| Device Type | Cam Switch | |
| Product Series | Emas PSA Series | |
| IP Rating | IP54, IP65 | |
| Manufacturer | EMAS | |
| Series | PSA Series | |
| Model | PSA120AK431S | |
| Product type | Rotary cam switch | |
| Switch function | On-Off (0-1) | |
| Rated current | 120 A | |
| Poles | 4-pole | |
| Operating angle | 60° | |
| Frame size | 85 × 85 mm | |
| Usage category | AC21A / AC23A | |
| Insulation voltage | 690 V | |
| Frequency | 50 / 60 Hz | |
| Impulse withstand voltage | 4 kV | |
| Protection rating | IP54 (IP65 in enclosure) | |
| Contact material | AgNi | |
| Mechanical life | minimum 100,000 operations | |
| Electrical life | minimum 50,000 operations | |
| Short circuit breaking capacity | 6 kA | |
| Operating temperature | -25 to +80 °C |
Frequently Asked Questions
What is the EMAS PSA120AK431S used for?
The EMAS PSA120AK431S is a rotary cam switch used for high-current industrial On-Off switching, isolation and electrical control applications.
What is the current rating of this cam switch?
The PSA120AK431S has a rated current of 120 A.
How many poles does the EMAS PSA120AK431S have?
The switch has a 4-pole configuration for controlling multiple electrical circuits.
What is the switching angle of this cam switch?
The EMAS PSA120AK431S uses a 60° operating angle with an On-Off (0-1) switching function.
Where is this cam switch typically installed?
The switch is typically installed in electrical control panels, machinery and industrial automation systems.
Trusted by Industrial Engineers Worldwide
EMAS PSA series cam switches are widely used in industrial control applications where reliable manual switching, compact installation and long service life are required.
