Pressure switch

Pressure switch : that makes an electrical contact when a certain level of pressure has been achieved on its input. This is used to provide on/off switching from an hydraulic source.

Variable speed drives
Water pump control panel
Pressure switch
Pump automation
Float switch - Regulator of level
Motor protection circuit breaker
Cable
Coupling
Level regulator
Pressure control
Condensator
Solenoid valve
XMP Telemecanique pressure switch
2 to 3 days
Pressure switch
XMP Telemecanique pressure switch
001010
€31.83

€31.83 tax excl.

Delivery 2 to 3 days

XMPM6 - XMPM12. Pressure switches type XMP are switches for power circuits (direct switching), with an adjustable differential.
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Practical information

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Delivery

  • Same-day dispatch for orders placed before 12 noon, in most cases.
  • Colissimo without signature in mainland France, delivery within 2 to 3 days.
  • Chronopost on request.
  • DB SCHENKER transport for oversized parcels: delivery to your freight forwarder in France, with guaranteed tracking.
Delivery terms

Advice and guides

Go to our guides

A pressure switch to control the pump by pressure

A pressure switch starts and stops the pump according to network pressure: it switches on below a low threshold and cuts out at the high threshold. It equips surface pump sets with a bladder tank, booster sets, and domestic water or irrigation systems.

Setting and selection

Choose a pressure range compatible with your installation, an electrical rating suited to the pump and, if needed, a model with a gauge or an inverted version for dry-run protection. Set the pressures according to the manual.

Frequently asked questions: Pressure switches

How does a pressure switch work?

A pressure-sensitive diaphragm operates an electrical contact. When pressure drops, the contact closes and the pump starts; when it rises to the high threshold, the contact opens. Thresholds are adjusted with screws.

What is the inverted version for?

It is used to protect the pump against a lack of water upstream, for example on a supply from the mains. The principle and wiring are explained on the product page.

Why does my pump start too often?

First check the tank pre-charge pressure, then the switch thresholds and the tightness of the circuit. A gap between the thresholds that is too small also causes frequent starts.

Do you need advice before buying?

Our team helps you choose the right equipment for your installation: call +33 3 44 25 91 01 Monday to Friday, 8:30 am to 12:00 pm and 1:00 pm to 4:30 pm (French time), or email contact@pompes-h2o.com. Public bodies can pay by administrative order (mandat administratif), with invoicing through Chorus Pro.