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EMAS PSA040KD334S EMAS 40 A 3 POLES CHANGEOVER CAM SWIT ( 1-0-2) 60
EMAS PSA040KD334S 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 PSA040KD334S Changeover Cam Switch?
The EMAS PSA040KD334S is a robust 40 A three-pole 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 64 × 64 mm frame for panel-mounted installations. The manufacturer specifies the PSA040KD334S as a 40 A, three-pole, 1-0-2 changeover cam switch.
This 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, making it suitable for machinery, electrical panels and industrial control equipment requiring reliable manual changeover operation.
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 PSA040KD334S is suitable for a wide range of industrial switching duties. Its 64 × 64 mm frame and IP54 protection rating provide a practical format for panel-mounted control equipment.
Key Advantages
- Robust three-pole 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 with long mechanical and electrical service life.
Key Features
- EMAS PSA Series 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.
- High-precision rotary mechanism for dependable industrial control.
Reliable Changeover Switching for Industrial Control
Cam switches such as the EMAS PSA040KD334S 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 robust construction, high contact reliability and long service life. The PSA040KD334S provides three-pole changeover switching in a 64 × 64 mm format, making it suitable for machinery and electrical control panels where dependable manual circuit selection is 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.
- General-purpose industrial switching and control 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 | PSA040KD334S | |
| Product type | 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 | |
| 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 PSA040KD334S used for?
The EMAS PSA040KD334S is a 40 A three-pole changeover cam switch designed for manual circuit selection and control in industrial electrical applications.
What is the rated current of the PSA040KD334S?
The PSA040KD334S has a rated current of 40 A.
What switching arrangement does the PSA040KD334S 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 PSA040KD334S have?
The EMAS PSA040KD334S is a three-pole cam switch, allowing three electrical circuits to be switched together between the defined positions.
What is the switching angle?
The PSA040KD334S has a 60° switching angle for positive rotary operation.
Trusted for Industrial Switching Applications
EMAS PSA Series 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.
