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

L404F1391/U

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

  • Product Info
  • Literature

Overview

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

Features

  • 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

Application
Provide control of steam, air, non-combustible gases or non-corrosive fluids
Dimensions (in.)
5 13/16 in. high X4 1/2 in. wide x 3 1/4 in. deep
Dimensions (mm)
146 mm high x 114 mm wide x 70 mm deep
Includes
Miss-wiring Compliant (less B terminal)
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. LR95329
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
Acceptable
Sensor Element
Brass bellows
Operating Range (psi)
20 to 300 psi; 350 psi - Maximum Sustained
Operating Range (kPa)
140 to 2070 kPa; 2413 kPa - Maximum Sustained
Differential Pressure Range (psi)
20 to 50 psi
Differential Pressure Range (kPa)
140 to 345 kPa
Differential Type
Subtractive
Switch Operation
Auto recycle
Switching Action
Snap switch makes R-W on pressure rise
Pipe Connection
Main or High Pressure--1/4 in. NPT internal thread