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EMAS PSA020AK231K EMAS Keyed “0-1” On-Off Cam Switches – 60Deg 1 pole, 20A Rotary Cam Switch
EMAS PSA020AK231K rotary cam switch, a 20 A two phase 0-1 on-off lockable switch designed for industrial control panels and automation applications.
£11.42
Why Choose the EMAS PSA020AK231K Cam Switch?
The EMAS PSA020AK231K is a durable and reliable rotary cam switch designed for secure manual electrical switching in industrial machinery, automation systems and control panels. As part of the proven EMAS PSA series, this compact switch provides dependable on-off control with a lockable operating mechanism for controlled industrial applications.
This cam switch is designed for applications requiring reliable switching performance and restricted access to operating functions. Its compact 48 × 48 mm panel format allows straightforward integration into electrical cabinets, machine control systems and industrial automation equipment.
With a rated current of 20 A, a two-phase 0-1 on-off switching configuration and a 60° switching angle, the EMAS PSA020AK231K is suitable for industrial control and isolation applications where robust and secure manual switching is required.
Key Advantages
- Compact rotary cam switch designed for industrial control applications.
- 20 A rated current suitable for electrical switching requirements.
- Lockable operating mechanism helps prevent unauthorised switching.
- Two-phase 0-1 on-off switching for simple circuit control.
- 48 × 48 mm panel design for compact installations.
- Long mechanical and electrical service life for dependable operation.
Key Features
- EMAS PSA series cam switch.
- 20 A rated operational current.
- Two-phase switching configuration.
- 0-1 on-off switch positions.
- 60° switching angle.
- Lockable 48 × 48 mm cam switch design.
- Compact construction for electrical panels and machinery.
- IP54 protection rating for industrial applications.
Reliable Switching for Industrial Control Systems
Rotary cam switches such as the EMAS PSA020AK231K provide a practical solution for manually controlling electrical circuits in industrial equipment. Their mechanical switching mechanism delivers reliable operation while supporting frequent switching cycles in demanding environments.
The PSA series is developed for machine builders, electrical panel manufacturers and automation engineers requiring compact, durable and secure switching components. The lockable design provides additional control over access to switching functions in industrial installations.
Typical Applications
- Industrial control panels.
- Machine switching and isolation systems.
- Automation equipment.
- Electrical cabinets and enclosures.
- Manufacturing machinery.
- Industrial power control applications.
Technical Specifications
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| Operation | 2 positions | |
|---|---|---|
| Product Series | Emas PSA Series | |
| Device Type | Cam Switch | |
| IP Rating | IP54 | |
| Manufacturer | EMAS | |
| Series | PSA Series | |
| Model | PSA020AK231K | |
| Product type | Rotary cam switch | |
| Switch type | On-Off | |
| Rated current | 20 A | |
| Poles / phases | 2-phase | |
| Switch positions | 0-1 | |
| Switching angle | 60° | |
| Frame size | 48 × 48 mm | |
| Usage category | AC21A | |
| Insulation voltage | 690 V | |
| Impulse withstand voltage | 4 kV | |
| Protection rating | IP54 | |
| Contact material | AgNi | |
| Cable section | 1–2.5 mm² | |
| Operating temperature | -25 to +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 PSA020AK231K used for?
The EMAS PSA020AK231K is a lockable rotary cam switch used for manual on-off control and switching of electrical circuits in industrial machinery and control panels.
What is the current rating of this cam switch?
The switch has a rated operational current of 20 A.
What switching positions does the PSA020AK231K provide?
The switch provides a 0-1 on-off switching configuration with a 60° operating angle.
Does this cam switch include a locking feature?
Yes, the PSA020AK231K includes a lockable operating mechanism for controlled switching operation.
Where is this switch typically installed?
The switch is typically installed in electrical control panels, machine cabinets and industrial automation systems.
Trusted for Industrial Switching Applications
EMAS PSA series cam switches are widely used in industrial automation and electrical control systems where reliable manual switching, compact installation and durable performance are required.
