SPECIFICATION FOR APPROVAL STD Customer : EST FAN (Energy Saving Technology Fan) Description : Customer Part No. : REV. : AFL12AUHE-C Delta Model No. : REV. : 01 Sample Issue No. : May.04 2020 Sample Issue Date : PLEASE SEND ONE COPY OF THIS SPECIFICAITON BACK AFTER YOU SIGNED APPROVAL FOR PRODUCTION PRE-ARRANGMENT. APPROVED BY: DATE : DELTA ELECTRONICS, INC. TAOYUAN PLANT 252, SHANG YING ROAD, GUISHAN INDUSTRIAL ZONE, TAOYUAN CITY 33341, TAIWAN TEL:886-(0)3-3591968 FAX:886-(0)3-3591991*** SAMPLE HISTORY*** CUSTOMER: STD CUSTOMER P/N: AFL12AUHE-C DELTA MODEL: CHECKED ISSUE REV. DESCRIPTION DRAWN APPROVED ME EE CE DATE 00 ISSUE SPEC 10/31 19 10/31 19 10/31 19 10/31 19 10/31 19 Change Spec. 1. Change tolerance of speed from 10% to 5% Stan.Hou Stan.Hou Andy.Hsiao Kunchou.Lee 01 2. Change operating temperature from 05/04 20 05/04 20 05/04 20 05/04 20 05/04 20 -20 to -40 3. Add safety mark to label 4. Modify weight from 275g to 260g