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What is a PRCD-S?
Portable residual current devices with protective conductor detection or protective conductor monitoring are known as PRCD-S (Portable Residual Current Device-Safety). They are used to protect people from electrical accidents and are connected like an extension cable between an electrical load, e.g. a power tool, and a socket outlet.
Further information can be found here.
Versions
| PRCD-S extension cables | PU | Item no. |
|---|---|---|
| Earthing contact coupling with protective cap | 1 | 45458 |
| 3-way solid rubber protective contact coupling with protective flap | 1 | 45460 |
Details
| Security |
|---|
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Tested according to: ![[1081]](https://as2025.as-schwabe.de/wp-content/uploads/2024/12/IP44_.svg) ![[1085]](https://as2025.as-schwabe.de/wp-content/uploads/2024/12/CE_schwarz.svg) ![[1243]](https://as2025.as-schwabe.de/wp-content/uploads/2024/12/BGI_2019.svg) ![[1246]](https://as2025.as-schwabe.de/wp-content/uploads/2024/12/Icon_K2_2019.svg){kind=icon} ![[1486]](https://as2025.as-schwabe.de/wp-content/uploads/2025/01/Icon_PRCDS_nicht_mit_Handschuhen_verwenden_01.svg){kind=icon} |
| Technical data |
|---|
|
230 V, 16 A, max. 3,500 W ![[DE]](https://as2025.as-schwabe.de/wp-content/uploads/2024/12/Icon_Made_in_Germany.svg){kind=icon} |
| Use |
|---|
![[1]](https://as2025.as-schwabe.de/wp-content/uploads/2024/12/as-schwabe-technik-produkte-einsatzgebiet-gewerbe-icon-1.svg){kind=icon} ![[2]](https://as2025.as-schwabe.de/wp-content/uploads/2024/12/as-schwabe-technik-produkte-einsatzgebiet-aussen-icon.svg){kind=icon} ![[3]](https://as2025.as-schwabe.de/wp-content/uploads/2024/12/as-schwabe-technik-produkte-einsatzgebiet-innen-icon.svg){kind=icon} |
How does a PRCD-S work?
When attempting to switch on the PRCD-S, the wiring of the supply line is checked. The PRCD-S can only be switched on if the wiring is faultless. Only then can the connected appliance be switched on. With this function, the PRCD-S prevents accidents caused by faulty electrical installations, such as a missing protective earth conductor. Such faults can usually only be recognised by closer inspection and are therefore particularly dangerous. A PRCD-S only offers this protection if it is switched on without gloves, i.e. with direct skin contact, as a measurement of the earth potential through the user's body is carried out during the switch-on process. During operation of the electrical load, the PRCD-S assumes the function of a residual current circuit breaker and thus protects the user against dangerous currents that can be caused by defective electrical equipment. In addition, the PRCD-S has an undervoltage release. This prevents devices, such as cut-off grinders, from switching on again automatically after a power failure as soon as power is available again.
Why do we strongly recommend using it?
The Institute for Research into Electrical Accidents (BG ETEM) counted more than 3800 electrical accidents in 2018. Many of these can be avoided by using a PRCD-S. In order to increase safety, especially on construction sites, the BG BAU has therefore drawn up an accident prevention regulation which states that: "A company must ensure that electrical installations and equipment may only be operated in accordance with electrotechnical regulations and that any defects found must be rectified immediately. If there is an urgent danger, the defective equipment must not be used." To comply with this regulation, use cables with built-in PRCD-S on the construction site. Companies and employees are therefore on the safe side, investing directly in health and saving money in the long term.