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EMAS PSA020MS335S EMAS 20 A 3 POLES STAR DELTA CAM SWIT.(O-Y-U) 60
EMAS PSA020MS335S star delta motor control cam switch, a 20 A three-pole rotary switch designed for manual three-phase motor starting applications.
£33.49
Why Choose the EMAS PSA020MS335S Star Delta Motor Control Cam Switch?
The EMAS PSA020MS335S is a reliable three-pole star delta motor control cam switch designed for manual switching and starting control of three-phase motors in industrial automation and electrical control applications. As part of the EMAS PSA series rotary cam switches, it provides dependable mechanical operation with a compact design for machinery and control panel installations.
This switch is specifically designed for star-delta motor starting applications, allowing operators to control the transition between motor connection states to help reduce starting current. Its robust construction and positive switching mechanism make it suitable for industrial motor control systems requiring reliable manual operation.
With a 20 A rated current, three-pole configuration and O-Y-U star delta switching arrangement, the EMAS PSA020MS335S is suited for controlling three-phase induction motors in industrial machinery and automation equipment.
Key Advantages
- Reliable star delta motor control cam switch for industrial applications.
- 20 A current rating suitable for motor switching circuits.
- Three-pole design for three-phase motor control.
- O-Y-U star delta switching configuration for motor starting applications.
- Compact design for electrical control panels and machinery.
- Durable mechanical switching operation for industrial environments.
Key Features
- EMAS PSA series rotary cam switch.
- 20 A rated current.
- 3-pole / three-phase configuration.
- Star delta (O-Y-U) motor starting function.
- 60° switching angle.
- Manual rotary operation with positive mechanical switching.
- Compact panel mounting format.
- Suitable for industrial motor control systems.
Reliable Motor Control for Industrial Machinery
Star delta cam switches such as the EMAS PSA020MS335S provide a simple manual method of controlling motor starting sequences. By selecting the required switching position, operators can manage motor connection changes in accordance with the machine control requirements.
The PSA series is designed for industrial applications where compact installation, dependable switching and long service life are required. The PSA020MS335S can be integrated into electrical control panels and machinery systems requiring manual three-phase motor control.
Typical Applications
- Three-phase motor star delta starting systems.
- Industrial machinery and automation equipment.
- Pumps, fans and compressors.
- Conveyors and production systems.
- Electrical control panels.
- OEM machine building applications.
Technical Specifications
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| Product Series | Emas PSA Series | |
|---|---|---|
| Device Type | Cam Switch | |
| IP Rating | IP20, IP54 | |
| Manufacturer | EMAS | |
| Series | PSA Rotary Cam Switches | |
| Model | PSA020MS335S | |
| Product type | Star delta motor control cam switch | |
| Rated current | 20 A | |
| Number of poles | 3P | |
| Switching function | Star delta (O-Y-U) | |
| Rated voltage | 400 V AC | |
| Switching angle | 60° | |
| Frame size | 48 × 48 mm | |
| Protection rating | IP20 / IP54 depending on installation conditions | |
| Mechanical life | 100,000 operations | |
| Electrical life | 50,000 operations |
Frequently Asked Questions
What is the EMAS PSA020MS335S used for?
The EMAS PSA020MS335S is a star delta motor control cam switch used for manual control of three-phase motor starting circuits.
What is the current rating of this cam switch?
The PSA020MS335S has a rated current of 20 A.
How many poles does the switch have?
This motor control cam switch features a three-pole (3P) configuration for three-phase applications.
What switching function does this model provide?
The PSA020MS335S provides a star delta (O-Y-U) switching function for motor starting applications.
Where is this switch typically installed?
The switch is typically installed in electrical control panels, machinery and industrial automation systems.
Trusted by Industrial Automation Engineers
EMAS PSA series cam switches are widely used in industrial control applications where reliable manual motor switching, compact installation and long service life are required.
