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EMAS PSA063MS335S EMAS 63 A 3 POLES STAR DELTA CAM SWIT.(O-Y-U) 60
EMAS PSA063MS335S is a 63 A three-phase star-delta rotary cam switch with O-Y-U switching operation designed for industrial motor control applications.
£79.41
Why Choose the EMAS PSA063MS335S Cam Switch?
The EMAS PSA063MS335S is a robust and reliable star-delta rotary cam switch designed for three-phase motor starting applications in industrial electrical systems. As part of the proven EMAS PSA series cam switch range, it provides dependable manual star-delta motor control for machinery, automation equipment and electrical control panels.
This cam switch features an O-Y-U star-delta switching configuration with a three-phase construction, allowing controlled motor starting by switching between star and delta connections. Its compact design, high-quality contacts and durable mechanical construction make it suitable for demanding industrial environments.
With a rated current of 63 A, three-phase construction, a 60° switching angle and a compact 64 × 64 mm frame size, the PSA063MS335S is ideal for star-delta motor starting applications requiring reliable manual switching control.
Key Advantages
- Heavy-duty 63 A star-delta cam switch for industrial motor control.
- Three-phase motor starting design for reduced starting current applications.
- O-Y-U star-delta switching position for controlled motor operation.
- High mechanical and electrical durability for reliable service life.
- IP54 protection rating suitable for industrial environments.
- Compact 64 × 64 mm panel mounting design.
Key Features
- EMAS PSA series cam switch.
- 63 A rated current.
- Star-delta switch type.
- Three-phase configuration.
- O-Y-U switching position.
- 60° operating angle.
- AC21A utilisation category.
- AgNi contact material for reliable switching performance.
- Compact 64 × 64 mm front mounting format.
Reliable Star-Delta Motor Control for Industrial Systems
Rotary cam switches such as the EMAS PSA063MS335S provide dependable manual control of three-phase motor starting circuits through a mechanically operated switching mechanism. They are widely used where star-delta starting, robust construction and long operational life are required.
The PSA series is designed for panel builders, automation engineers and machine manufacturers requiring compact switching components for industrial motor control and automation equipment.
Typical Applications
- Three-phase motor star-delta starting systems.
- Industrial motor control panels.
- Pumps and heavy-duty machinery.
- Machine tools and automation equipment.
- Electrical distribution panels.
- OEM machine building applications.
Technical Specifications
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| Product Series | Emas PSA Series | |
|---|---|---|
| Device Type | Cam Switch | |
| IP Rating | IP54 | |
| Manufacturer | EMAS | |
| Series | PSA Series | |
| Model | PSA063MS335S | |
| Product type | Rotary cam switch | |
| Switch type | Star-Delta | |
| Rated current (Ie) | 63 A | |
| Phase configuration | 3-phase | |
| Switching position | O-Y-U | |
| Operating angle | 60° | |
| Frame size | 64 × 64 mm | |
| Usage category | AC21A | |
| Insulation voltage (Ui) | 690 V | |
| Impulse withstand voltage (Uimp) | 4 kV | |
| Protection rating | IP54 | |
| Contact material | AgNi | |
| Cable section | 6 mm² | |
| Mechanical life | minimum 100,000 operations | |
| Electrical life | minimum 50,000 operations | |
| Operating temperature | -25 to +80 °C | |
| Pollution degree | 3 | |
| Short circuit breaking capacity (Ics) | 6 kA |
Frequently Asked Questions
What is the EMAS PSA063MS335S used for?
The EMAS PSA063MS335S is a three-phase star-delta rotary cam switch used for manual motor starting control applications.
What is the current rating of this cam switch?
The PSA063MS335S has a rated current of 63 A.
What switching position does the PSA063MS335S provide?
The switch uses an O-Y-U star-delta configuration for controlled three-phase motor starting.
What phase system is this cam switch designed for?
The PSA063MS335S is designed for three-phase motor control applications.
Where is this cam switch typically installed?
The switch is typically installed in electrical control panels, machinery cabinets and industrial automation systems.
Trusted by Industrial Control Professionals
EMAS PSA series cam switches are widely used in industrial automation and electrical control applications where precise switching, durability and dependable performance are essential.
