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EMAS PSA120MS334S EMAS 120A 3 POL.MTR CNTRL CAM SWIT. RGHT LFT (1-0-2) 60
EMAS PSA120MS334S 120A 3 pole motor control rotary cam switch designed for industrial motor switching and control applications.
£106.51
Why Choose the EMAS PSA120MS334S Motor Control Cam Switch?
The EMAS PSA120MS334S is a robust and reliable motor control rotary cam switch designed for industrial motor reversing and control applications requiring dependable manual circuit switching. 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 motor control cam switch is engineered for high-current switching applications, offering precise rotary operation, long service life and straightforward panel integration. The PSA series combines durable construction with flexible switching configurations suitable for industrial motor control, power management and automation applications.
With a rated current of 120 A, a 3-pole motor control configuration and a right-left (1-0-2) switching position, the EMAS PSA120MS334S is ideal for manual forward and reverse motor control applications. Its 60° switching angle and 85 × 85 frame size provide controlled operation for industrial electrical systems.
Key Advantages
- Heavy-duty motor control rotary cam switch designed for industrial applications.
- 120 A current rating for high-current motor switching requirements.
- 3-pole right-left (1-0-2) motor reversing configuration.
- Reliable manual rotary operation with clear switching positions.
- Compact 85 × 85 mounting format for industrial panels.
- Suitable for motor control, machinery and automation systems.
Key Features
- EMAS PSA series motor control cam switch.
- 120 A rated operational current.
- 3-pole construction.
- Motor reversing switching function (1-0-2).
- 60° rotary switching angle.
- 85 × 85 cam switch frame size.
- High precision switching mechanism.
- Designed for industrial control panels and electrical assemblies.
Reliable Motor Control for Industrial Systems
Rotary cam switches such as the EMAS PSA120MS334S provide a dependable method of manually controlling motor circuits. Their mechanical switching action allows operators to select motor operating directions safely and efficiently in industrial environments.
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 motor control panels.
- Forward and reverse motor switching systems.
- Machine tools and production machinery.
- Industrial automation equipment.
- Electrical control cabinets.
- OEM machinery assemblies.
Technical Specifications
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| Product Series | Emas PSA Series | |
|---|---|---|
| Device Type | Cam Switch | |
| IP Rating | IP54 | |
| Manufacturer | EMAS | |
| Series | PSA Series Cam Switches | |
| Model | PSA120MS334S | |
| Product type | Rotary cam switch | |
| Switch type | Motor control / reversing switch | |
| Current rating | 120 A | |
| Pole configuration | 3-pole | |
| Switching position | 1-0-2 | |
| Motor direction | Right / Left | |
| Switching angle | 60° | |
| Frame size | 85 × 85 | |
| Usage category | AC21A | |
| Insulation voltage | 690 V | |
| Protection rating | IP54 | |
| Contact material | AgNi | |
| 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 PSA120MS334S used for?
The EMAS PSA120MS334S is a motor control rotary cam switch used for manual forward and reverse motor switching applications.
What is the current rating of this cam switch?
The PSA120MS334S has a rated current of 120 A.
What switching configuration does this product have?
The switch uses a 3-pole motor reversing (1-0-2) configuration with a 60° rotary switching action.
What is the mounting size of this cam switch?
The PSA120MS334S features an 85 × 85 frame size for industrial panel mounting.
Which series does the PSA120MS334S belong to?
The product belongs to the EMAS PSA series rotary cam switch range.
Trusted by Industrial Control Engineers
EMAS PSA series motor control cam switches are widely used in industrial automation and electrical control applications where reliable manual motor switching, high current capability and long service life are required.
