United Electric 12 Series Pressure Switch

12SHDN2D12SHSN4C12SHSN4H12SHSN6E12SHSNK4 Switch12SHSNP3 12SLSN6B12-S-H-S-N-3-C-Cc2 Pressure Switch 12-S-H-S-N-8-A 12-S-H-S-N-8-A Pressure Switch 12-S-H-S-N-9-A 12-S-H-S-N-9-B 12-S-L-S-N-6-G Pressure Switch 12-S-L-S-N-8-A-M201-M444-QC1Vibration-resistant, 316 stainless steel pressure, differential pressure and temperature switches12 Series hazardous location switches are ideal for operation in tough applications where space is at a premium. A snap-action Belleville spring assembly is used to provide vibration resistance and prolonged switch life. The 316 stainless steel enclosure and hermetically sealed switch provide rugged protection from the environment. Approved for use in hazardous locations worldwide, the 12 Series is installed within applications ranging from offshore oil rigs to rotating equipment, and more.OverviewClass 1, Divisions 1 & 2, Zone 1UL listed, cUL certified, ATEX flame-proof & CE (LVD, PED) compliant, dual seal compliance to ANSI/ISA 12.27.01Compact, 316 stainless steel enclosureBelleville spring design provides set-point stability and vibration resistanceSPDT or DPDT hermetically sealed switchesVariety of pressure sensor materials, including welded stainless steel diaphragmConvenient field adjustment through concealed adjustment compartment; optional cover locking ring prevents incidental tampering72” lead-wire with strain relief providedAdjustable set-point ranges:Pressure: 1 to 12,500 psi0,1 to 861,9 barDifferential Pressure: 0.7 “wcd to 150 psid1,7 mbar to 10,3 barTemperature: -130 to 650 ºF-90 to 343.3 ºCHighlights316 Stainless Steel ConstructionHermetically Sealed Micro-switchBelleville ActuatedUL, cUL approved and ATEX compliantDual Seal CertifiedAdjustable Pressure Ranges:Pressure: 30? Hg Vac to 12,500 psi(-1 to 861,9 bar)WC Ranges: -20? wc Vac to 200? wc pressure(-49,8 to 497,8 mbar)Differential Pressure: 0.7” wcd to 150 psid(1,7 mbar to 10,3 bar)Temperature: -130°F to 650°F(-90°C to 340°C)Dual Seal Certified?cUL certified to ANSI/ISA 12.27.01Complies with CEC rule 18-072 and NEC 501.17 requirements for providing a secondary seal between the process and electrical connections, and indication of primary seal failure should one occurDecrease labor time and cost by eliminating externally connected secondary sealsCompact and hermetically sealed switch with a 316 stainless steel enclosure. *Dual Seal is Included.