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EMAS PSA040KD334E EMAS 40A 3 POLES CHANGEOVER CAM SWIT (1-0-2) 60 SAFETY
EMAS PSA040KD334E safety changeover cam switch, a 40 A three-pole 1-0-2 rotary switch with a 60° switching angle and 64 × 64 mm frame for reliable industrial circuit selection.
£47.71
Why Choose the EMAS PSA040KD334E Safety Changeover Cam Switch?
The EMAS PSA040KD334E is a robust 40 A three-pole safety changeover cam switch designed for reliable manual circuit selection in industrial electrical and control applications. As part of the proven EMAS PSA Series, it provides a defined 1-0-2 switching arrangement with a 60° switching angle and a large 64 × 64 mm frame for panel-mounted installations.
This safety cam switch provides dependable mechanical switching between two alternative circuit positions with a central OFF position. Its three-pole configuration allows three circuits to be switched together from a single rotary control, while the safety-style configuration provides a clearly identifiable manual switching interface for machinery, electrical panels and industrial control equipment.
With a rated current of 40 A, a three-pole configuration, a rated insulation voltage of 690 V and an AC-21A utilisation category, the PSA040KD334E is suitable for a wide range of industrial switching and changeover duties. Its 64 × 64 mm frame provides a practical format for panel-mounted control equipment, while IP54 protection is provided, increasing to IP65 when installed in a suitable enclosure.
Key Advantages
- Robust three-pole safety changeover cam switch designed for industrial applications.
- 40 A rated current suitable for industrial manual switching.
- 1-0-2 changeover switching arrangement provides two active positions separated by a central OFF position.
- 60° switching angle provides positive rotary operation.
- 64 × 64 mm frame provides a practical panel-mounted format.
- High contact reliability and long mechanical and electrical service life.
Key Features
- EMAS PSA Series safety cam switch.
- 40 A rated current.
- Three-pole configuration.
- 1-0-2 changeover switching arrangement.
- 60° switching angle.
- 64 × 64 mm frame size.
- 690 V rated insulation voltage.
- 4 kV impulse withstand voltage.
- AC-21A utilisation category.
- Safety configuration for clearly identifiable manual switching.
Reliable Safety Changeover Switching for Industrial Control
Cam switches such as the EMAS PSA040KD334E provide a straightforward mechanical method of switching electrical circuits between defined operating positions. The rotary mechanism allows operators to select between alternative circuit states while the central OFF position provides clear separation between the two active positions.
The PSA Series is designed for industrial electrical control and switching duties, combining high precision, robust construction and long service life. The PSA040KD334E provides three-pole changeover switching in a large 64 × 64 mm safety format, making it suitable for machinery and electrical control panels where dependable manual circuit selection and clear operator control are required.
Typical Applications
- Industrial electrical control panels.
- Three-phase circuit selection and changeover.
- Machinery control systems.
- Industrial automation equipment.
- Electrical equipment requiring alternative circuit selection.
- Machinery safety and industrial switching 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 | PSA040KD334E | |
| Product type | Safety changeover rotary cam switch | |
| Switch type | Changeover | |
| Switching positions | 1-0-2 | |
| Rated current (Ie) | 40 A | |
| Poles | 3-pole | |
| Utilisation category | AC-21A | |
| Frame size | 64 × 64 mm | |
| Mechanical life | minimum 100,000 operations | |
| Electrical life | minimum 50,000 operations | |
| Operating frequency | 120 mechanical / 120 electrical operations per hour | |
| Rated insulation voltage (Ui) | 690 V | |
| Impulse withstand voltage (Uimp) | 4 kV | |
| Dielectric strength, body-contact | 1,890 V AC | |
| Dielectric strength, contact-contact | 1,890 V AC | |
| Insulation resistance | minimum 10 MΩ at 500 V DC | |
| Operating temperature | -25 to +80 °C | |
| Pollution degree | 3 | |
| Protection rating | IP54 | |
| Protection rating in enclosure | IP65 | |
| Contact material | AgNi | |
| Cable connection cross-section | 4 mm² | |
| Switching angle | 60° | |
| Short-circuit breaking capacity (Ics) | 6 kA | |
| Standard | TS EN 60947-3 |
Frequently Asked Questions
What is the EMAS PSA040KD334E used for?
The EMAS PSA040KD334E is a 40 A three-pole safety changeover cam switch designed for manual circuit selection and control in industrial electrical applications.
What is the rated current of the PSA040KD334E?
The PSA040KD334E has a rated current of 40 A.
What switching arrangement does the PSA040KD334E use?
The switch uses a 1-0-2 changeover switching arrangement, providing two active switching positions separated by a central OFF position.
How many poles does the PSA040KD334E have?
The EMAS PSA040KD334E is a three-pole cam switch, allowing three electrical circuits to be switched together between the defined positions.
What is the switching angle?
The PSA040KD334E has a 60° switching angle for positive rotary operation.
Trusted for Industrial Switching Applications
EMAS PSA Series safety cam switches provide reliable manual circuit control for industrial machinery, electrical panels and control equipment where positive switching, robust construction and dependable service life are required.
