Variohm Group PSF109S Series Pressure Switch, -199mbar Min, -822mbar Max, SPDT Output, Gauge Reading

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£18.63

(exc. VAT)

£22.36

(inc. VAT)

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  • 25 unit(s) shipping from 27 October 2025
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RS Stock No.:
315-277
Mfr. Part No.:
PSF109S-81-330
Brand:
Variohm Group
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Brand

Variohm Group

Pressure Reading Type

Gauge

Minimum Pressure Reading

-199mbar

Maximum Pressure Reading

-822mbar

Accuracy

20

Output Type

SPDT

Series

PSF109S

COO (Country of Origin):
US
The Variohm Group Sensing Vacuum Switch offers field-adjustable vacuum set point ranges from -3” H₂O to -12 psi. It features a snap-action basic switch (up to 25A, 125/250 VAC) with an SPDT configuration for normally open or normally closed operation. Designed for air and compatible fluids, it has a mechanical life exceeding 10 million cycles and operates within a temperature range of +40°F to +150°F. The case is made of polycarbonate, with optional materials like Lexan 141, Ryton, Ultem, and Noryl. Vacuum port options include a 0.250” diameter, 1/8” NPT, and quick-connect fitting port.

Miniature size and lightweight
Low cost
Custom design and engineering available

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