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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 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
Includes
BSPT ground screw and European Enclosure
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
Acceptable
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
Subtractive
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
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