Air conditioner Contactor is mainly applicable to a line of AC 50Hz or 60Hz,rated working voltage up to 600V and rated working current up to 60A,used to close or switch off the line.The Coil Insulation is Class B(130℃),can be operated with 85% of nominal coil voltage or 110% maximum safe operate.
Air conditionar Contactors are definite purpose:AC contactor are designed for use in refrigeration,and electric heating systems.Power connections can be made with either screw terminals with quick connects or lug terminals with quick connects.
Air Conditioner AC Contactor,3 Phase AC Contactor,Electrical Air Conditioner Ac Contactor,Air Conditioner AC Magnetic Contactor Ningbo Bond Industrial Electric Co., Ltd. , https://www.bondelectro.com
1.09.02ROM download please note: the file name must be changed to update
2. In case of booting, insert the USB flash drive into the box, and the page will pop up automatically. Click "System Upgrade"; 
Version number: 1.09.02
Version update information:
1. Optimize the playback function to solve the problem that some live broadcast stations cannot play.
2. Resolve third-party applications after upgrading the shortcut keys to unlock defects.
3. The media center is newly revised and invites experience.
4. System optimization, improve operating efficiency.
Smart TV/box information can focus on smart TV information network sofa butler (http://), China's influential TV box and smart TV website, providing information, communication, TV boxes, smart TVs, smart TV software, etc. Answering questions.
[A7 official firmware] 1.09.02 firmware download and upgrade (with upgrade tutorial)
1. First of all, you need to download the following version 1.09.02 ROM and put it into your U disk level directory. Please note: Please ensure that your U disk's free space is above 1G, and U disk must be fat32 format; 3, the page will automatically pop up, click "OK"; 4. During system upgrade, please do not power off or restart. 5, the upgrade is successful, the box will automatically restart ~~~ -------------------------------------------------- ---------------------------------