
Slow action contact miniature vacuum switches, 6.3 x 0.8 mm QC terminals

Snap action contact miniature vacuum switches, DPDT contact
Snap action contact miniature vacuum switches, SPDT contact
Uses: High electrical rating, for 250V.
Main applications: Vacuum detection on pumps, filters, venti- lation, and electrical appliances.
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Fitting raw material | |
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Max operating temperature (°C) | |
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Maximum vacuum (mbar) | |
Set point calibration (mbar) |
Description
Uses: High electrical rating, for 250V.
Main applications: Vacuum detection on pumps, filters, ventilation, and electrical appliances.
Membranes: EPDM, dia 22 mm. Silicone or NBR on request. Double membrane on request.
Fluid: water or air
Fitting: Plastic or metal
Pressure: negative (Vacuum)
Housing: PA66, UL94 VO
Contact: SPDT, snap action. NO or NC contacts available with MOQ
Electrical rating: Depends on micro-switch operating force that is linked to the electrical rating
- Standard rating micro-switch (medium and high vacuum calibration only): 16A 125/250VAC;1/2HP 125VAC; 3/4HP Differential about 60 mbar
- High rating micro-switch (medium and high vacuum calibra- tion only): 2HP 240V, 21(8) A 240V (UL, CSA VDE switch). Dif- ferential about 90
- Low force micro-switch (vacuum less than minus 150 mbar): 1/4HP 6(1) A 240V ( UL, CSA VDE switch) Differential about 40
- On request: up to 25A 250V
Action: momentary.
Set point calibration: factory calibrated and sealed, not field adjustable
Calibration condition: the contact between Com and NC opens when vacuum pressure goes from atmospheric pres- sure to requested vacuum set point.
Set point calibration limits: from minus 50 to minus 700 mbar
Electrical connection: 6.35 x 0.8 mm quick connect terminals
Maximum pressure: 4 bars (58 PSI)
Maximum vacuum: minus 700 mbar (relative pressure)
Ambient temperature limits: 0 to 85°C
Dimensions
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Available pressure inlet fittings (1)
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* only available for metal fitting
** only available for plastic fitting |
References (with 1/8″ NPT fitting)
Fitting material | Standard rating micro-switch (calibration: minus 200mbar) | Low force micro-switch (calibration: minus 100mbar) | High rating micro-switch (calibration minus 300mbar) |
Plastic | ZD2228U10B000000 | ZD2528U50A000000 | ZD2B8U60C0000000 |
Metal | ZD222RU10B000000 | ZD252RU50A000000 | ZD2BRU60C0000000 |
Contact us for other calibration or pressure inlet