Pressure Switches

MICRO Fixed Differential Pressure Switch ( Series MFD )

MFD Series Pressure Switches are housed in Pressure Die cast aluminum powder coated enclosure & are recommended for Panel / line mounting or outdoor service.

Note : Equivalent or B4 Series of Indfos, GM Series of Switzer & Z series of Waaree

Enclosure Aluminum Die Cast Weather Proof to IP-66
Sensing Element Diaphragm Sealed ( up to 40 bar ) / Piston type above 60 bar
Wetted parts S S 304 / S S 316
Repeatability ± 1 % of Full Span
Scale Accuracy ± 3 % of Full Span
Micro Switch 1 SPDT Snap Action or 2 SPDT on request
Switch Rating 15 A, 250 V AC or 0.2 A, 220 V DC / Varies based on selection of Micro Switch
Range Refer Standard Range Table
Set point Between 20 to 80% for better performance
Over Protection 150 % of Full Span
Differential Fixed
Mounting Bottom / Panel
Process connection ¼” NPT (F)
Set Point adjustment External with Locking system
Cable entry PG 13.5mm Standard / DIN Connector or Other optional
Maximum Process Temperature 150° C / 300° F
Conformity BS 6134 Standard
High voltage strength 0.5 to 0.6 KV between open contact 2 KV between contact & Body.
Insulation resistance > 10 M ohms at 500 V
Process Media Air, water, Oil etc….
  • Weather proof
  • High repeatability & Accuracy
  • Set point Locking
  • Choice of wetted parts to suit working media
  • Choice of Electrical Entry
  • Ambient temp : -30 to 70° C permissible range

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