Shell Diala S2 ZU-I

Product information: Electrical oilsShell Diala S2 ZU-In Reliable performancen Meets IEC 60296DESIGNED TO MEET CHALLENGESEvery part of your machine or processhas been meticulously engineered, soyou want to use a lubricant that has beendesigned to ensure that your equipment iswell protected and works efficiently.The Shell Diala range of electrical oilshas been developed to assist equipmentoperators in selecting the oil that will deliveroptimum value to their operations through:n system protectionn long oil lifen system efficiencyShell Diala S3 ZX-In Extra performancen Meets IEC 60296: highoxidation stability andlow sulphur contentShell Diala S2 ZU-In Reliable performancen Meets IEC 60296Performance at a glanceProtection Oil life System efficiency✓✓✓✓ ✓✓✓✓ ✓✓✓✓✓✓✓ ✓✓✓ ✓✓✓Performance level is a relative indication only.A LEADING, UNINHIBITED ELECTRICALINSULATING OILShell Diala S2 ZU-I is a fluid designed to protect your valuable equipment.Widely recognised and approved by leading equipment manufacturers, itis non-corrosive to copper and does not require a copper passivator, asproved in the latest copper corrosion tests.Manufactured from highly refined mineral oils, it has resistance to oildegradation by oxidation and good low-temperature properties, whichare vital for efficient heat transfer inside the transformer, even at lowtemperatures.DESIGNED TO PROTECTProtecting components from damage can help to increase service life and maximise your return on investment in equipment. Shell Diala S2 ZU-Iprovides continuing transformer protection in service. In the industry-standard test, it produced:n less than 50% of the maximum specified limit for sludge.Shell Diala S2 ZU-I50% less sludgeIEC specification limit0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8Lower is betterSludge (% mass)IEC 61125 C oxidation testIEC 60296specification

DESIGNED FOR LONG OIL LIFEShell Diala S2 ZU-I is an uninhibited electrical insulating oil that offers reliable and predictable long-term performance. It meets the oil lifeand oxidation requirements (164 hours at 120ºC) specified in the industry-standard test (IEC 60296).DESIGNED FOR HIGH EFFICIENCYShell Diala S2 ZU-I is designed to help maximise effectiveness by helping equipment to meet or exceed its design capabilities. Comparedwith the industry minimum requirements, it offers:n good low-temperature viscosity,which provides optimised heat transfer at low temperatures.Shell Diala S2 ZU-I20% below the industry limitIndustry limit0 500 1,000 1,500 2,000Lower is betterKinematic viscosity at –30ºC (mm²/s)(ISO 3104)IEC 60296specificationSPECIFICATIONS AND APPROVALSShell Diala S2 ZU-I meets the requirements of the key industry tests and thespecifications of most equipment manufacturers and utility companies.Meets requirementsIEC 60296 (2003) Table 2 Transformer Oil (U) (uninhibited oil)IEC 62535ASTM D1275BAPPLICATIONS*Suitable for use as an electrical insulating oil in powertransmission and distribution transformers.Suitable for use in a wide range of electrical equipment suchas switchgears, circuit breakers and rectifiers.REAL-WORLD VALUE DELIVERYShell Diala S2 ZU-I is one of the latestuninhibited electrical insulating oils fromShell. It has been designed to offer reliableperformance and effective protectionfor various transformers throughout theiroperating lives.FULL PRODUCT ANDSERVICE PORTFOLIOWhatever your needs or application, we canprovide a wide range of oils and greases,including synthetic, high-performance productsand additional services.*This is a guide only. Before using Shell Diala S2 ZU-I please check with the relevant equipmentmanufacturer to ensure compatibility or call the Shell Technical Advice Centre on 13 16 18.For more information, please contactThe Shell Company of Australia Limited (ABN 46 004 610 459)8 Redfern Rd, Hawthorn East, Victoria 3123Emergency phone number (24 hours) 1800 651 818Technical Assistance Australia 13 16 18shell.com.au/lubricants