Pressuretrol Controllers, Auto recycle, 10 psi to 150 psi
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.
Application Provide control of steam, air, non-combustible gases or non-corrosive fluids
Dimensions (in.) 4 31/32 in. high x 4 1/2 in. wide x 2 3/4 in. deep
Dimensions (mm) 126 mm high x 114 mm wide x 70 mm deep
Mounting 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 AcceptableSensor Element
Stainless Steel diaphragm Operating Range (psi)10 to 150 psi; 225 psi – Maximum Sustained
Operating Range (kPa) 69 to 1034 kPa; 1151 kPa – Maximum Sustained
Differential Pressure Range (psi) 10 to 22 psi
Differential Pressure Range (kPa) 60 to 152 kPa
Differential Type Subtractive
Switch Operation Auto recycle
Switching Action SPDT snap action, make R-W, break R-B on pressure rise
Pipe ConnectionMain or High Pressure–1/4 in. NPT internal thread