Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
EMAS PSA040MS334E EMAS 40A 3 POL.EMER.MTR CNTRL CAM SWIT. R-L (1-0-2) 60
EMAS PSA040MS334E 40 A three-phase safety inverter rotary cam switch with 1-0-2 switching sequence and 60° operation designed for industrial motor control applications.
£44.90
Why Choose the EMAS PSA040MS334E Inverter Cam Switch?
The EMAS PSA040MS334E is a robust industrial rotary inverter cam switch designed for reliable manual control of three-phase motor inverter applications in machinery, automation systems and electrical control panels. As part of the EMAS PSA series cam switch range, it provides dependable switching performance with a 64 × 64 mm panel format and safety switching functionality.
This safety cam switch features a 1-0-2 switching sequence with a 60° operating angle, allowing controlled manual selection of inverter operating positions. Its durable construction, high precision switching mechanism and industrial-grade contacts make it suitable for demanding motor control applications.
With a rated current of 40 A, three-phase switching configuration and 60° safety rotary operation, the EMAS PSA040MS334E is ideal for industrial motor inverter control systems requiring dependable manual switching and long service life.
Key Advantages
- Compact inverter cam switch designed for industrial motor control applications.
- 40 A current rating suitable for three-phase inverter switching systems.
- 1-0-2 switching function for flexible motor operation control.
- 60° safety switching operation for clear manual position selection.
- 64 × 64 mm frame size suitable for industrial panel installations.
- Durable construction with long mechanical and electrical service life.
Key Features
- EMAS PSA series cam switch.
- 40 A rated operational current.
- Inverter switching type.
- Three-phase switching configuration.
- 1-0-2 switching positions.
- 60° switching angle.
- 64 × 64 mm frame size.
- Safety feature for controlled industrial switching applications.
Reliable Inverter Control for Industrial Systems
Rotary inverter cam switches such as the EMAS PSA040MS334E provide a practical solution for manually controlling motor inverter operating states in industrial electrical systems. Their mechanical switching mechanism enables reliable operation in machinery, automation equipment and electrical control cabinets.
The PSA series is designed for panel builders and industrial automation engineers requiring compact switching devices with dependable performance. The PSA040MS334E combines three-phase inverter control capability, safety switching operation and robust construction for industrial environments.
Typical Applications
- Industrial motor inverter control panels.
- Three-phase machinery control systems.
- Automation equipment and production machinery.
- Electrical control cabinets.
- OEM machinery and panel-building projects.
- Industrial motor switching applications.
Technical Specifications
Tick the specs you need, then view products that match.
| Product Series | Emas PSA Series | |
|---|---|---|
| Device Type | Cam Switch | |
| IP Rating | IP54 | |
| Manufacturer | EMAS | |
| Series | PSA Series | |
| Model | PSA040MS334E | |
| Product type | Rotary cam switch | |
| Switch type | Inverter | |
| Label / positions | 1-0-2 | |
| Rated current (Ie) | 40 A | |
| Pole / phase configuration | 3 Phase | |
| Switching angle | 60° | |
| Frame size | 64 × 64 | |
| Usage category | AC21A | |
| Insulation voltage (Ui) | 690 V | |
| Impulse withstand voltage (Uimp) | 4 kV | |
| Protection rating | IP54 | |
| Contact material | AgNi | |
| Operating temperature | -25 to +80 °C | |
| Cable section | 4 mm² | |
| Mechanical life | 100,000 operations minimum | |
| Electrical life | 50,000 operations minimum | |
| Short circuit breaking capacity (Ics) | 6 kA | |
| Standard | TS EN 60947-3 |
Frequently Asked Questions
What is the EMAS PSA040MS334E used for?
The EMAS PSA040MS334E is an inverter rotary cam switch used for manual switching and control of three-phase motor inverter circuits in industrial applications.
What is the current rating of this cam switch?
The PSA040MS334E has a rated operational current of 40 A.
What switching function does this model provide?
The switch provides a 1-0-2 inverter switching function for selecting motor operating positions.
What safety features are included?
The PSA040MS334E includes a safety switching design for controlled manual operation.
Where is the PSA040MS334E typically installed?
The switch is typically installed in industrial control panels, electrical cabinets and machinery control systems.
Trusted by Industrial Automation Professionals
EMAS PSA series cam switches are widely used in industrial control applications to provide reliable inverter switching, manual control and machine operation solutions.
