Description
-W-2 for the two-stage automatic transfer switch, when the switch is connected to the switching signal does not stop in the middle of the open position immediately switched to the other power supply, current specifications for a 500A 20A from a power supply.
-Reliable mechanical interlock: a unique eccentric selection structure, to ensure that only one set of power supply, there could not be two sets of power while the access load.
-Excellent arc performance: a variety of abnormalities will be reliably extinguish the arc, arc duration is short, less contact loss.
-Multi-piece main arc contacts: contact surface contact area and increase the contact pressure, without overheating or contact welding, to extend the service life of the contacts.
-Switching speed fast: in between two common power supply and backup power conversion quickly with
