Sell Fire magnetic switch (install on the floor)

products description:
DZ828 Fire magnetic switch (install on the floor):
Range of use:
When the fire occurs, all the special door magnetic switch of the smoke-proof doors will all automatically release magnetic force, so as to let the smoke-proof doors close automatically and fire form getting through the doors.



Technical parameters:
Qty/Ctn: 60pcs
Working voltage:12DC?0%
Working current:12VDC/180mA,24DC/90mA