Standards and Regulations

North American Standards

UL (Underwriters Laboratories Inc.)

UL, RU

UL is a non-profit examination institution which was established by U.S. Association of Fire Underwriters in 1894. Although it is voluntary to get UL-approval, a lot of electronic products, electric parts or resin material are UL-approved. UL certification is evaluated based on UL standards, and generally there is a listing mark for finished products and a recognized component mark for parts or material.

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Digital Electronics Corporation will not update UL certification for certain models because UL1604, UL Hazardous Location standards, will be abolished on July 31, 2012.
See the following chart about the UL certification status of the products which are subject to change. In addition, the UL standard mark on products manufactured before July 31, 2012 will be effective after Aug. 1, 2012.
There is no change for other products.
Model No.Until July 31, 2012After August 1, 2012
GP2300-TC41-24V Acquired UL1604/UL508 Standard Not manufactured
GP2300-TC41-24V-M
GP2301-TC41-24V
GLC2300-TC41-24V
GLC2300-TC41-24V-M
GLC150-SC41-XY32KF-24V
GLC150-SC41-XY32SK-24V
GP2500-TC41-24V Acquired UL1604/UL508 Standard Will not acquire UL Standard
GP2500-TC41-24V-M
GP2501-TC41-24V
GP2500-LG41-24V
GP2501-LG41-24V
GLC2500-TC41-24V
GLC150-BG41-XY32SC-24V
GLC150-BG41-XY32SK-24V
GLC150-BG41-XY32KF-24V
GLC150-BG41-FLEX-24V
GLC150-BG41-RSFL-24V
GP2500-TC11 Acquired UL1604/UL60950 Standard Acquired UL60950 Standard
GP2500-TC11-M
GP2501-TC11
GP2501-SC11
GP2501-SC11-M
GP2300-SC41-24V
GP2301-SC41-24V
GP2300-LG41-24V
GP2300-LG41-24V-M
GP2301-LG41-24V
GLC2500-TC41-200V
GLC2500-TC41-200V-M
GLC2300-LG41-24V
ST400-AG41-24V Acquired UL1604/UL508 Standard Acquired UL508 Standard
ST401-AG41-24V
ST402-AG41-24V
ST403-AG41-24V

cUL (UL for Canada)

cUL, cRU, CSA

A cUL mark can be used for the products and parts compliant to UL, based on Canadian safety standards by the mutual certification system in U.S.A. (UL) and Canada (CSA). A cUL mark also has a listing mark for finished products and a recognized component mark for parts or material.


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CSA (Canadian Standards Association)

cUL, cRU, CSA

CSA is a non-profit association, established in Canada in 1919, that has standards development, examination and certification business. There are safety standards for electronic products, medical equipment and machine.

Product NameModelsCertificate No.
EZ Fingerprint Recognition Unit PFXZCCEUSS1 2593981