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Controls and Safety : Pressure Switches
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Type ZQ
Type ZQ
Positive pressure switches Pressure switch, single pole snap action contact. Not adjustable set point. SPDT contact. Many dimensions of fittings available
Controls and Safety
Pressure Switches
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Product applicable fields
  • Air and Fluid heating solutions
  • Renewable energy
  • Industry
  • Ventilation
  • Agriculture and Farming
  • Petrochemistry
product presentation

Main applications :
Minimum water pressure detection on water heaters, boilers; balneotherapy, jacuzzi and swimming pool heaters, detection of clogging of swimming pool filters and other household electrical applications.

Membranes: EPDM, dia. 22mm. Silicone on request
Fluid: Water or air
Fitting: PA66
Housing: PA66, UL94 VO
Contact: SPDT, snap action
Electrical rating: 16 (4)A 125/250VAC; 1/2HP 125VAC; 3/4HP 250VAC. (Available up to 22 (8)A 250VAC, 2HP 250VAC) Action: Momentary
Set point calibration: Factory calibrated and sealed, not field adjustable
Set point calibration limits: From 7 to 300 kPa (70 to 3000 mbar, 1 to 43 PSI)
Electrical connection: 6.35 × 0.8mm quick connect terminals
Bursting pressure: >15 bar (1.5 Mpa, 217 PSI)
Ambient temperature limits: water: 0 to 85°C (32 to 185°F), Air: -10 ~ 85°C (14° to 185°F)
Maximum calibration value: 3 bar (0.3 Mpa, 43 PSI)
Approval: UL 508