Ashcroft Temperature Switches
T-Series Switches
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Ashcroft temperature switches feature a SAMA Class II vapor pressure thermal
system. This system provides quick, accurate response to process temperature
changes with negligible ambient temperature effects.
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A wide selection of sensing bulb and armored capillary lengths are available.
The vapor pressure system design features small bulb sizes, making installation
easy and cost-effective.
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All models feature ± percent of span setpoint repeatability with
very high over-temperature ratings.
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G-Series Switches, Stainless Steel Enclosure --
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Enclosure: Watertight 316 stainless steel NEMA, 4, 4X
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Switch Function: Single set point, fixed deadband, SPDT contacts (or);
Single set point, fixed deadband (2) SPDT contacts (or); Single set point,
adjustable deadband, SPDT contacts (or); Dual set point, fixed deadband
(2) SPDT contacts
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Wetted Materials: Stainless steel and Buna, Teflon, or Viton (or); All
welded stainless steel (or); All welded Monel
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Set Points: Temperature -40 thru 750°F
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B-Series Switch --
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General purpose switches for most industrial and process applications
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Enclosure: Watertight epoxy coated aluminum NEMA 4, 4X or explosion proof
NEMA 7/9
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Switch Function: Single set point, fixed deadband, SPDT (or); Single set
point, fixed deadband (2) SPDT
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Wetted Materials: Stainless steel and Buna* Teflon® or Viton® (or);
All welded stainless steel (or); All welded Monel (*Registered trademark
of E.I. DuPont)
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Set Points: Temperature: -40 thru 750°F
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P-Series Switch --
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Especially suited for process and refinery applications
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Dual chamber design allows set point changes to be made safely even with
power connected
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Enclosure: Watertight epoxy coated aluminum NEMA, 4, 4X or explosion proof
NEMA 7/9
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Switch Function: Single set point, fixed deadband, SPDT contacts (or);
Single set point, fixed deadband (2) SPDT contacts (or); Single set point,
adjustable deadband, SPDT contacts (or); Dual set point, fixed deadband
(2) SPDT contacts
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Wetted Materials: Stainless steel and Buna, Teflon or Viton (or); All welded
stainless steel (or); All welded Monel
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Set Points: Temperature -40 thru 750°F
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L-Series Switch --
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Specifically suited for the OEM seeking more features in a snap acting
switch
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Enclosure: Watertight epoxy coated aluminum NEMA 4, 4X
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Switch Function: Single set point, fixed deadband, SPDT contacts (or);
Single set point, fixed deadband, (2) SPDT contacts (or); Single set point,
adjustable deadband, SPDT contacts (or); Dual set point, fixed deadband,
(2) SPDT contacts
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Wetted Materials: Stainless steel and Buna, Teflon or Viton (or); All welded
stainless steel (or); All welded Monel
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Set Points: Temperature: -40 thru 750°F
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