EVA Series Installation Operation and Maintenance Manual

EVA• Pressure Port: 1/4 NPT (F) 316SSElectrical Connection• 1/2 NPT(M); 18 in. (458) mm) strandedwire leads, 18-AWG color-coded andmarked.Temperature Limits° ° ° °° ° ° °• Process: 32 to 400 F (0 to 204 C)• Ambient: -40 to 167 F (-40 to 75 C)Electrical Service (Notes 2 and 3)• For DPDT contact form, replace EF inmodel number with EG. Multiply typicaldead band by 2.• 250 VAC - 5 amp• 30 VDC - 5 amp• 125 VDC - 0.5 ampShipping WeightNotes:• Approximate 1 lb (0.5 kg)1. Other wetted materials and pressure port sizesare available. Consult your representative orthe SOR representative in your area for moreinformation.2. The DC electrical ratings are for resistive loadsonly. DC ratings are not agency approved orlisted but have been verified by testing orexperience.3. The hermetically sealed switching elementcapsule is UL Listed, CSA Certified and SSAApproved as an explosion proof snap switchper the following table DIMENSIONS:.AgencyUL ListedCSA CertifiedSAAApprovedTable 6.Agency ApprovalsHazardous Location ConditionsClass I, Group A, B, C, & DClass II, Group E, F, & GDivision 1 & 2Ex s IIC T6 for Class I, Zone 1DIP Type B 80°C for Class II, Div.1 & 2Figure 19. Pressure Switch Dimensions.DIMENSIONS:Linear = MMINDimensions (Figure 19) are for reference only.Contact the factory for certified drawings for a particularmodel number.ELECTRICAL CONNECTIONUse a 1-1/8 in (29 mm) open-end wrench to holdthe hex on the electrical connection while conduitor conduit fitting is being tightened.The electrical switch element capsule assemblycontains UL Listed and CSA Certified factorysealedleads. A conduit seal is not required to preserveexplosion proof integrity. Electrical leads aremarked NC (normally Closed), NO (NormallyOpen) and C (Common). Electrical switching elementsare snap-action and are either SPDT orDPDT (2-SPDT) set to actuate simultaneously(See diagram next page).24