A) Long useful
life、maintain-proof, it can continuous use for thirty
years and up in normal condition.
B) Adopt position sensor as switch,
avoid limitation of mechanical type changeable switch, such as
contact point changed unreliable、short
useful life.
C) Normal operation loss is 4W,
Power requirements is low, operation power voltage is (*5V~**0V)
AC/DC
D) Perfect electronic and mechanical
resist-mistake operation interlock, avoid bringing other fault, it
shall be provided fault signal timely, ensure remote controlling
operation.
