Honeywell L4079W1000 – Pressuretrol Controller
Description
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 Switchâ„¢ 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
ApplicationHigh oil pressure limit switch for heavy oil applications.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.Mounting1/4 in. NPT internal thread or surface mount through back of caseApprovals, Underwriters Laboratories Inc.Listed: File No. MP466, Guide No. MBPRElectrical ConnectionsScrew terminalsTemperature Ratings (C)66 C – Maximum AmbientTemperature Ratings (F)150 F – Maximum AmbientContact Ratings120 Vac Switch Contact– 9.8 AFL, 58.8 ALR; 240 Vac Switch Contact– 4.9 AFL, 29.4 ALRApprovals, Swiss REAcceptableSensor ElementStainless Steel diaphragmOperating Range (psi)10 to 150 psi; 225 psi – Maximum SustainedOperating Range (kPa)35 to 350 kPa; 1151 kPa – Maximum SustainedSwitch OperationManual ResetSwitching ActionSPST break on pressure rise – Oil ApplicationsPipe ConnectionMain or High Pressure–1/4 in. NPT internal thread
