isolator The key to safe and efficient underground ...

1 cathodic ISOLATORi s o l a t o rc a t h o d i c RUSTROLSYSTEMSThe key to safe and efficientunderground corrosion meetsstringentgroundingrequirementsforsa fety withnosacrificeinelectricalisolationeffe ctiveness. Rustrol s solid-state cathodic isolator offers the safest electrical isolationfor efficient cathodic uniquely designed cathodic isolator developed by Rustrol Systems,effectively confines the current neededfor cathodic protection , while providing asafe grounding path during all types ofelectrical cathodic protection , proven by decadesof service in a variety of applications,prevents corrosion of buried orsubmerged metallic protection is most efficientlyand uniformly applied when the primarystructure is electrically isolated.

2 Allmetallic/electrical contacts with foreignmetallic structures are isolation provides three majorbenefits: Restriction of the required protectivecurrent to the surface of the primarystructure to produce a uniformpolarized level of protection Minimization of stray DC currentinterference Prevention of galvanic currentbetween metallic cathodic isolation is a superior form ofelectrical isolation. cathodic isolationmaintains stringent electrical groundingrequirements and confines the protectivecurrent at the surface of the primarystructure. The result is highly effective,uniform protection against Rustrol cathodic isolator meetssafety standards for effective groundingwithin the National Electrical Code, andconforms to the need for safe operatingpractices accepted worldwide, , notto exceed the 15 volt rms (caution)potential most often stipulated by cathodic isolator provides all of theadvantages of electrical isolationnecessary for cathodic protection byblocking the protective current at theelectrical isolating device such asacross a pipeline isolating flange.

3 Assoon as the potential across the isolatingflange exceeds the pre-set voltagethreshold, the Rustrol cathodic isolator responds PROTECTIONThe cathodic isolator protectspersonnel and equipment during all typesof electrical disturbances by providing aneffective grounding path which instantlyconducts: AC fault currents Lightning AC induction Power switching surge cathodic isolator is indispensablefor safe electrical isolation to assureunprecedented protection of yourpersonnel and equipment. PERFORMANCE CURVEBY INDEPENDENT TEST LABTest No. HC 51206006012012060060120123 CYCLES OF 60 : CI 85 SL 6 A1860 Hz.

4 , 3 CYCLE AC FAULT CURRENT TRANSFER: 55kA rmsAC FAULT CURRENT [KA]THROUGH cathodic ISOLATORTEST VOLTAGE [ V ]ACROSS ISOLATED BUSCHECK THIS UNMATCHEDCOMBINATION OF constructionNon-electrolyticMaintenance- freeSimplified installationVersatile protectionFail-safe operationTest-proven performance RUSTROL S PROVEN QUALITYASSURES RELIABLE developments in electroniccircuitry are incorporated in the Rustrol solid-state cathodic isolator to assureacute sensitivity; instant response; andfail-safe, maintenance-free operation in anon-electrolytic cathodic isolator and associatedhardware feature the most advanced andreliable components now available.

5 Eachcritical component is precisely machinedand carefully assembled to meetRustrol s exceptionally stringent qualityassurance standards. The easy-to-mount standard NEMA 4 enclosuresimplifies and development models haveundergone thorough acceptance-testingby independent high-current test facilitiesand have been fully approved (test dataavailable upon request).Rustrol s experienced technical staffprovides knowledgeable productsupport. Engineering services to designand commission a system for yourspecial applications are available fromour professional consultants FORCOST-EFFECTIVE with performing a key role in safeand effective corrosion control, theRustrol cathodic isolator also serves toreduce both the capital and maintenancecosts of cathodic protection applications include.

6 AC fault-current protection acrossisolating flanges and other devices mitigation of induced AC on pipelinesand other structures lightningprotection for equipment, includingcathodic- protection rectifier systems de-coupling of the primary structure( , fueling facility, pipe-type cablesystems, etc.) from contact with theelectrical utilities grounding these are just a few typicalapplications for the Rustrol CathodicIsolator . Other possibilities are limitedonly by one s OF INDUCED ACTYPICAL TANK FARM cathodic isolator SELECTION GUIDECI- 30- SL- 6- A12- specify(Typical ordering code) cathodic isolator (CI):AC Fault Current Exposure.

7 40 kA - 1 cycle @ 60 hz rms(as specified by the customer) 50 kA - 1 cycle @ 60 hz rms 5 kA - 1 cycle @ 60 hz rms 60 kA - 1 cycle @ 60 hz rms 10 kA - 1 cycle @ 60 hz rms 75 kA - 1 cycle @ 60 hz rms 20 kA - 1 cycle @ 60 hz rms 85 kA - 1 cycle @ 60 hz rms 30 kA - 1 cycle @ 60 hz rms 100 kA - 1 cycle @ 60 hz rms(Refer to Drawing No. CI-00 for detailed specifications; applicable ratings @ 50 Hz rms are available).Surge/Lightning protection (SL):Standard assembly, peak surge current @ 8/20 @ 100,000 AmperesSecondary @ 70,000 AmperesVoltage Threshold:Standard assembly @ 6 volts rms or as specified by the customer withinthe suggested range of volts of Induced AC - Steady State @ 60 Hz rms:Selection range 0-100 Amperes, as specified by the amps36 amps75 amps24 amps48 amps100 ampsOptional Accessories.

8 (as specified by the customer) Potential meter Small arms proof enclosure Submersible enclosure Special finishes (specify) Test Port Quick disconnect wiring harness Any other features (specify)Standard assembly is installed in a performance test rated, NEMA-4 aluminum enclosure, completewith access cover and locking hasp. Interprovincial Corrosion Control Company LimitedHead Office:930 SheldonCourt,Burlington,Ontario,Canada,L 7L5K6 Regional Offices:Montr al,Qu bec&Calgary,AlbertaInternational Corrosion Control ,Lewiston,NewYork,USA,14092 Phone: (905) 634-7751 Fax: (905) 333-4313 isolator and Rustrol are registered trademarks for the above , PRODUCTSANDEQUIPMENTARESOLDSUBJECTTOTHET ERMSANDCONDITIONSAPPEARINGINOURPRINTEDOR DERACKNOWLEDGEMENT.