L4079B1058 Honeywell Pressuretrol Controller

Overview

High pressure limit switches.

Features

• Stainless steel diaphragm for use with steam, air, noncombustible gases and fluids non-corrosive to stainless steel.
• L4079W is for Oil Applications.
• Micro Switch™ snap-acting switches open automatically on pressure rise; must be manually reset.
• Mount using 1/4 in. NPT female fitting on diaphragm assembly or surface mount through back of case.

Product Specifications

• Application
  • Provide limit control of steam, air, non-combustible gases or non-corrosive fluids
• Dimensions (in.)
  • 5 in. high x 4 1/2 in. wide x 3 1/2 in. deep.
• Dimensions (mm)
  • 127 mm high x 114 mm wide x 89 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
• Electrical Connections
  • Screw terminals
• Temperature Ratings (C)
  • 66 C – Maximum Ambient
• Temperature Ratings (F)
  • 150 F – Maximum Ambient
• Contact Ratings
  • 120 Vac Switch Contact– 9.8 AFL, 58.8 ALR; 240 Vac Switch Contact– 4.9 AFL, 29.4 ALR
• Approvals, Swiss RE
  • Acceptable
• Sensor Element
  • Stainless Steel diaphragm
• Operating Range (psi)
  • 5 to 50 psi; 85 psi – Maximum Sustained
• Operating Range (kPa)
  • 35 to 350 kPa; 586 kPa – Maximum Sustained
• Switch Operation
  • Manual Reset
• Switching Action
  • SPST break on pressure rise
• Pipe Connection
  • Main or High Pressure–1/4 in. NPT internal thread

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