Plastic water level sensor (SKU: 108314) and 220V compatibility

Customer:

I’m interested in your plastic water level sensors (SKU: 108314). I need to connect them to pumps that would top up water containers. Can these sensors handle 220V, or are they only for low voltage?

Original message (Croatian)

Dobar dan!

Zanimaju me vasi plasticni senzori razine vode (SKU: 108314)

Trebali bi ih spajati na neke pumpe koje bi nadopunjavale spremnike vode, pa me zanima toleriraju li senzori 220v, ili su samo za niski napon?

Hvala unaprijed!

Originally submitted via email support on 25 February 2025. Migrated to the forum for community visibility.

Soldered Support:

This sensor is actually a switch designed for measuring liquid level.

The switching (activation and deactivation of signal) works using a magnetic reed switch located inside a plastic tube. Inside the tube is a float containing a magnet that moves up and down depending on the liquid level. When the float reaches a certain point, the magnet activates the reed switch, which can then close (activate) or open (deactivate) the circuit.

According to the specifications below, yes, it can tolerate 220V, but keep in mind that because the contact is mechanical and brief impulses can occur during switch activation and deactivation, your load must be able to tolerate this switching behavior. Personally, I would connect the switch to a Dasduino and use a relay as the final switch for the load.

P52 liquid level sensor specifications:

  • maximum contact power: 10W
  • maximum switching voltage: 110V
  • maximum switching current: 0.5A
  • maximum breakdown voltage: 220VDC
  • maximum contact resistance: 100mΩ
  • maximum operating pressure: 1Mpa
  • cable length: 40 cm
  • weight: 16 g
  • operating temperature: -10°C to +60°C
  • float material: PP (polypropylene)
  • housing material: PP (polipropylene)
Original message (Croatian)

hvala na upitu! Ovaj senzor je u stvari prekidač, dizajniran za mjerenje razine tekućine.

Preklapanje, odnosno uključivanje i isključivanje signala, kod ovog senzora odvija se pomoću magnetskog reed prekidača smještenog unutar plastične cijevi. U toj cijevi nalazi se plovak koji sadrži magnet, a on se pomiče gore-dolje ovisno o razini tekućine. Kada plovak dosegne određenu točku, magnet aktivira reed prekidač, koji tada može zatvoriti (uključiti) ili otvoriti (isključiti) strujni krug.

I prema specifikacijama koje su niže, da, može tolerirati 220V ali imajte na umu da zbog toga što je kontakt mehanički i mogu postojati kratkotrajni impulsi pri uključivanju i isključivanju prekidača, vaše trošilo mora moći tolerirati uključivanje i isključivanje na ovakav način. Osobo, ja bi spojio prekidač na Dasduino i koristio relej kao konačnu sklopku za trošilo.

Specifikacije P52 senzora razine tekućine:
maksimalna snaga kontakta: 10W maksimalni napon uključivanja/isključivanja: 110V maksimalna struja uključivanja/isključivanja: 0.5A maksimalni probojni napon: 220VDC maksimalni otpor kontakta: 100mΩ maksimalni radni tlak: 1Mpa duljina kabela: 40 cm težina: 16 g radna temperatura: -10°C do +60°C materijal plovka: PP (polipropilen) materijal kućišta: PP (polipropilen)
Nadam se da to pomaže s projektom!

Customer:

We need 220V with 55W power. I knew about the reed switch from the website, but I don’t have enough practical experience to know their durability. The Arduino/Dasduino idea isn’t bad, but we need 30 units, so that would significantly complicate the project.

Do you have anything else to offer that could perform the same function (topping up the container when the water level drops)?

Original message (Croatian)

Eh, da, nama treba 220v 55w snage Za reed switch sam znao, pise na web stranici, ali nemam radnog iskustva s time toliko da bi znao njihovu izdrzljivost Arduino/dasuino ideja nije losa, al nama treba 30 sklopova, te bi takvo nesto znatno zakompliciralo projekt Hvala na informacijama

Soldered Support:

Unfortunately, we don’t have a switch that operates at 220V and can be simply deployed. One solution would be Dasduino + a sensor like the Simple Rain Sensor, and when it detects moisture, the Dasduino can turn a connected relay on or off. As I mentioned, that would be one approach, but as you noted, I don’t think it’s exactly what you’re looking for.

Original message (Croatian)

Nema na čemu na informacijama,

nemamo na žalost takav prekidač koji bi radio na 220V i koji bi se jednostavno mogao deploy-ati. Može Dasduino + npr. ovaj senzor: https://soldered.com/product/simple-rain-sensor/ i npr. kad detektira da ima vlage, Dasduino ugasi ili upali relej na koji je spojen. To bi bilo jedno rješenje kao što sam spomenuo ali kao što ste spomenuli mislim da nije točno ono što tražite.