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Pressuretrol® Controllers, Auto recycle, 20 psi to 300 psi


Pressuretrol® Controllers, Auto recycle, 20 psi to 300 psi

  • Product Info
  • Literature


Provide operating control with automatic limit protection for pressure systems up to 300 psi (2068 kPa).


  • Use with steam, air, noncombustible gases, or fluids non-corrosive to pressure sensing element.
  • Models have snap-acting switching to open or close a circuit on pressure rise.
  • Have adjustable differentials.
  • Adjustments are made by screws on top of case.
  • Mount using 1/4 inch -18 NPT internal pipe threads or surface mount through base of case.
  • Ground screw terminal.

Product Specifications

Provide control of steam, air, non-combustible gases or non-corrosive fluids
Dimensions (in.)
5 3/4 in. high x 4 1/2 in. wide x 2 3/4 in. deep
Dimensions (mm)
146 mm high x 114 mm wide x 70 mm deep
BSPT ground screw and European Enclosure
1/4 in. NPT internal thread or surface mount through back of case
Approvals, Underwriters Laboratories Inc.
Listed: File No. MP466, Guide No. MBPR
Approvals, Canadian Standards Association
Certified: File No. LR1620, Guide No. 400-E-O
Electrical Connections
Screw terminals
Contact Ratings
120 Vac Switch Contact-- 8.0 AFL, 48.0 ALR, 10.0 A resistive; 240 Vac Switch Contact-- 5.1 AFL, 30.6 ALR, 5.0 A resistive
Operating Temperature Range (F)
-35 F to +150 F
Operating Temperature Range (C)
-37 C to +66 C
Approvals, Swiss RE
Sensor Element
Phos-bronze bellows
Operating Range (psi)
20 to 300 psi; 350 psi - Maximum Sustained
Operating Range (kPa)
138 to 2068 kPa; 2413 kPa - Maximum Sustained
Differential Pressure Range (psi)
20 to 50 psi
Differential Pressure Range (kPa)
138 to 345 kPa
Differential Type
Switch Operation
Auto recycle
Switching Action
SPDT snap action, make R-W, break R-B on pressure rise
Pipe Connection
Main or High Pressure--1/4 in. NPT internal thread