Ashcroft

Ashcroft P-Series Explosion-Proof Temperature Switch

SKU · 37212 · P Series Temperature Switch · Brand: Ashcroft
Available
Quote on request
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P-Series: −40–750 °F; NEMA 7/9 IP66; setpoint 0–100% range. RFQ.

Download datasheet PDF

RFQ cart holds BOM lines only. Submit for engineering quote.

Key parameters

Measuring range
Temperature ranges from −40 °F to 750 °F (−40 °C to 400 °C) depending on thermal system
Accuracy
Setpoint repeatability ±1% of span
Output
SPDT or 2×SPDT snap-acting micro switches; wide element selection
Process connection
Direct mount ½ NPT male stem; remote mount ½ NPT male bushing optional
Electrical connection
¾ NPT female
Wetted parts
Direct: 316 SS stem; Remote: 316 SS bulb/capillary, 302 SS spiral armor
Download datasheet PDF

Fits hazardous-area temperature alarm and shutdown where you need an Ashcroft P-Series temperature switch—ranges from about −40 °F to 750 °F with setpoint adjustable across the range and a NEMA 7 & 9 / IP66 enclosure class.

Key advantages

  • Ranges — About −40 °F to 750 °F
  • Setpoint — Adjustable 0–100% of range
  • Enclosure — NEMA 7 & 9, IP66
  • Output — Switch contacts
  • Use — XP temperature alarm / shutdown

Typical applications

  • Classified-area high-temp trips.
  • Process heater interlocks.
  • Hazardous plant thermal shutdown.

Selection guide

  • Range
  • Direct vs remote bulb
  • Switch element

Common mistakes

  • NEMA 4X LT/GT ordered when XP required.
  • Wrong bulb material for media.
  • Ignoring area classification docs.

When to RFQ / what to tell us

  1. Range, mount, element.
  2. Quantity, ship-to.

Request a Quote · Get selection help

Specs

SpecValue
SKU37212
BrandAshcroft
ModelP Series Temperature Switch
Product typeTemperature Switch
TypeExplosion-proof temperature switch (Ashcroft P-Series)
RangeAbout −40 °F to 750 °F; setpoint 0–100% of range
OutputSwitch contacts
EnclosureNEMA 7 & 9, IP66

Documents

FAQ

Q: Enclosure? A: NEMA 7 & 9, IP66 class.

Q: Temperature span? A: About −40 °F to 750 °F.

Q: What should I send for a quote? A: Range/mount/element, quantity, ship-to.

Links

ParameterValue
Measuring rangeTemperature ranges from −40 °F to 750 °F (−40 °C to 400 °C) depending on thermal system
AccuracySetpoint repeatability ±1% of span
OutputSPDT or 2×SPDT snap-acting micro switches; wide element selection
Process connectionDirect mount ½ NPT male stem; remote mount ½ NPT male bushing optional
Electrical connection¾ NPT female
Wetted partsDirect: 316 SS stem; Remote: 316 SS bulb/capillary, 302 SS spiral armor
ProtectionNEMA 7 & 9, IP66 explosion-proof
Ambient temperatureSuitable for Class I Div 1 Groups B,C,D and Class II Div 1 Groups E,F,G
ApprovalsUL; CSA; CE; UKCA
SetpointSingle or dual independently adjustable setpoints; adjustable 0–100% of range
Enclosure MaterialEpoxy-coated aluminum
Process TemperatureDirect stem lengths 2¾ in to 12 in; remote capillary 5–25 ft in 5 ft increments
DeadbandFixed or adjustable depending on PTA/PTD/PTS function
Special FeaturesDual-chamber design allows setpoint adjustment with power connected; hermetically sealed switch options