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0 0 <br />"' Page l of 1 <br />CertificationCSA • • <br />Group <br />CUSTOMER <br />Mine Safety Appliances Company 4818-04 064969 0_000 <br />North American Division, 1000 SIGNAL APPLIANCES -Systems - <br />Cranberry Woods Dr For Hazardous Locations <br />Cranberry Township <br />PA <br />16066-5296 <br />USA Refer to Class Description for program details <br />. Multiplexer, Model MUX -1, wall mounted (in ordinary, non -hazardous locations only), rated <br />120V ac, 60Hz, 0.5A; analog input 4-2OmA (16 channels); two wire supply 24V dc, 0.5A max <br />analog output 4-1 OmA, relay outputs rated 120V ac, 3A. For use with submittor's Certified gas <br />sensors (located in hazardous area), Models 482390, 483780, 487810 through 487813, 487815 <br />and 487817. <br />Note: The gas sensors are not covered by this Certification. <br />Class I, Groups C and D: <br />"TANKGARD" leak detection system, consisting of P/N 481532 Monitor Unit (ordinary <br />Locations), input I I5/220V ac, 50/6OHz, 0.5A, optional contacts 5A - 277V ac, 1/4 hp - 250V ac, <br />240VA - 240V ac, 5A - 30V dc, which provides intrinsically safe circuits for Sensors P/N 480219 <br />or 482608 (vapour) and P/N 480275 or 482607 (liquid); sensors intrinsically safe. <br />"CHILLGARD" leak detection system, consisting of P/N 482560 Monitor Unit (ordinary <br />locations), input I I5/220V ac, 50/6OHz, 0.5A, optional contacts 5A - 277V ac, 1/4 hp - 250V ac, <br />240VA - 240V ac, 5A - 30V dc, which provides intrinsically safe circuits for Sensor P/N 482609; <br />sensor intrinsically safe. <br />Note: The monitor unit must be located outside the hazardous area. <br />. "TANKGARD VIII" leak detection system, consisting of P/N 488803 Monitor Unit (ordinary <br />locations), input I I5/220V ac, 50/6OHz, LOA; optional contacts 5A -277V ac, 1/4 hp - 250V ac, <br />240VA-240V ac, 5A -30V dc, which provides intrinsically safe circuits for sensors P/N 482608 <br />(vapour) and P/N 481275 or 482607 (liquid); sensors are intrinsically safe. <br />Copyright © 2013 CSA Intemational. All rights reserved. <br />2 %1 d3 <br />1 � CfV 6 -7 2 4, 6.7V <br />http://directories.csa-intemational.org/xml_transform.asp?xml=certxml%5CO64969_0_000... 1/29/2013 <br />