ELECTRIC ACTUATORS - YOO SHIN E&I CO., LTD.

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6 USER’S GUIDE CHOOSING THE RANGE Environment If the actuator is : Inside a building Outdoors under shelter Outdoors Risk of temporary submersion (less than 30 mn and less than 1 m deep) Risk of temporary submersion (time lapse and depth to be defined) On-shore Off-shore In case of special constraints : Hazardous areas Nuclear sites Corrosive environment (chemical products, alumina, etc, ...) Recommanded actuator protection Weatherproof IP 65 or NEMA 4 Weatherproof IP 65 or NEMA 4 + Weatherproof IP 67 or NEMA 4 + Epoxy paint + polyurethane finishing Weatherproof IP 67 or NEMA 6 + special paint + Weatherproof IP 68 or NEMA 6P + special paint + Weatherproof IP 66 or NEMA 4X + marine protection + Weatherproof IP 66 or NEMA 4X + offshore protection + = Anti-condensation heater Explosion proof ATEX or NEMA Actuator qualification according to RCC-E and IEEE Special
The European directive 94/9/CE, applicable from the 30th of June 2003, states the conditions to be met by the equipment items for use under poten- GROUP I Underground parts of mines Our explosion proof products have been designed for use in GROUP II, Category 2 or 3 G (D) areas. These products shall, among other requirements, undergo a CE examination of the type corres- Equipment with electric connection in increased safety “e” (tight terminal box). The remaining parts of the electric equipment are in explosion-proof “d” enclosure. 7 9 Hazardous areas EUROPEAN STANDARD ATEX GROUP II Other areas under explosible atmosphere I Combustible gases and vapours II Combustible dusts 7 USER’S GUIDE CHOOSING THE RANGE Environment tially explosive atmosphere. It classifies the installation areas according to groups and categories : CATEGORY 1 : Areas in which explosive atmospheres are present continuously or frequently. CATEGORY 2 : Areas in which explosive atmospheres are likely to occur. CATEGORY 3 : Areas in which explosive atmospheres are unlikely to occur or, if they do occur, are likely to do so only infrequently or for short period only. Protection by flame-proof enclosure. Connection is achieved inside the enclosure. Enclosure is resistant to internal explosion without flame path. Group B : Hydrogen Group C : Ether, Ethylene,... Group D : Butane, Propane,... Group E : Metal dust Group F : Coal dust Group G : Flour and other dusts G/ gas or vapour D/ dust ponding to the sections of the standards CENELEC EN 50014, 50018, 50019 applicable for each product : EEx (e) d II C T6 Explosionproof actuator EEx ed NORTH-AMERICAN STANDARDS : NEMA RATINGS Group I : Equipment for underground mining. Group II : Equipment for explosive atmosphere other than mining. A : butane, propane,... B : ethylene,... C : hydrogen, acetylene 1 : normal conditions 2 : abnormal conditions Maximum surface temperature T1 = 450 °C T2 = 300 °C T3 = 200 °C T4 = 135 °C T5 = 100 °C T6 = 85 °C Explosionproof actuator EEx d or NEMA 7 or NEMA 9 NEMA Class Group Division T4 Maximum surface temperature T1 = 842 °F T2 = 572 °F T3 = 392 °F T4 = 275 °F T5 = 212 °F T6 = 185 °F
Page 1 and 2: ELECTRIC ACTUATORS A104/02
Page 3 and 4: The electric actuator, initially de
Page 5: 5 USER’S GUIDE 3. TYPE OF OPERATI
Page 9 and 10: The fail-safe devices are used to p
Page 11 and 12: ENVIRONMENT WITH FAIL SAFE POSITION
Page 13 and 14: Electric motors The choice of an op
Page 15 and 16: The use of a patented cam holder sy
Page 17 and 18: REMOTE CONTROL LOCAL CONTROL INTERN
Page 19 and 20: ● Proportional control : POSIGAM+
Page 21 and 22: The fieldbus is the mean commonly u
Page 23 and 24: This configuration offers the advan

ELECTRIC ACTUATORS - YOO SHIN E&I CO., LTD.

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