Type ZQ Positve pressure switches
Pressure switch, single pole snap action contact. Not adjustable set
point. SPDT contact. Many dimensions of fittings available
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: >1500 kPa (15000 mbar, 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: 300 kPa (3000 mbar, 43 PSI)
Approval: UL 508
Part numbers:
| Pressure port |
Calibration |
| 20kPa (200mbar, 2.9PSI) |
40kPa (400mbar, 5.8PSI) |
60kPa (600mbar, 8.7PSI) |
80kPa (800mbar, 11.6PSI) |
100kPa (1000mbar,14.5PSI) |
120kPa (1200mbar,17.4PSI) |
| 1/8'' NPT |
ZQ2038U502000000 |
ZQ2038U504000000 |
ZQ203MU506000000 |
ZQ203MU508000000 |
ZQ203MU50A000000 |
ZQ203MU50A200000 |
| 1/8'' BSPT |
ZQ203GU502000000 |
ZQ203GU504000000 |
ZQ203GU506000000 |
ZQ203GU508000000 |
ZQ203GU50A000000 |
ZQ203GU50A200000 |
| M10 x 1 |
ZQ203MU502000000 |
ZQ203MU504000000 |
ZQ203MU506000000 |
ZQ203MU508000000 |
ZQ203MU50A000000 |
ZQ203MU50A200000 |
| Snap-in |
ZQ203TU502000000 |
ZQ203TU504000000 |
ZQ203TU506000000 |
ZQ203TU508000000 |
ZQ203TU50A000000 |
ZQ203TU50A200000 |
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