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14.5.2019 - UL Certificate of Compliance

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 UL Certificate of Compliance Since April 2019, other types of power wire-wound resistors in Al housing have been certified. The resistors in the TR 351 … TR 356 series have been tested according to the safety standards "UL508 - Industrial Control Devices" and "CSA C22.2 No. 14-05 - Industrial Equipment" throughout the ohmic range and are marked "UL Recognized Component ". The certificate is filed under UL file E493708. The overview of newly certified resistors is provided in the attached figure.