Zhejiang Wangjia Electric Technology Co., Ltd.  

Product Name: Dual Power Automatic Transfer Switch, CB Type Auto Changer Over Switch Wjq3-20/4p Model NO.: WJQ3-20/4P Output type: Single Poles: 4P Type: Load Isolation Switch Certification: CCC Operation: Rotating Handle Brand: Wj Warranty: 2 Year Trademark: WJ Product Description Product DisplayFunction :Our WJQ3 is divided into two types-Basic type and Fire control typeBasic type has follow functions*****Full-automatic:i.e. Auto-switch-in, auto-restoring. When Normalpower is off, switch will transfer to reserve power automatically;when Normal power is normal, switch will transfer to Normalpower.*****Compulsory "0":Under urgent situation or device examination,push compulsory "0" self-lock button,switch will transfer toposition "0" to cut off both normal power and reserve power.Fire control type has follow functions*****Full-automatic: i.e. Auto-switch-in, auto-restoring. When Normalpower is off, switch will transfer to reserve power automatically;when Normal power is normal, switch will transfer to Normalpower.*****Compulsory "0": Under urgent situation or device examination,push compulsory "0" self-lock button,switch will transfer toposition "0" to cut off both normal power and reserve power.*****With generator:when normal power cut off, send out the startingsignal of generator, to make generator starting automatically.When normal, the switch will transfer to generate electricautomatically.When normal power comes normal, the switch willturn to normal power automatically.Meanwhile send out closingsignal of generator, thus closed generator.*****Remote control:i.e. operation and control at long distance. Pushbutton "I", normal power will work; push button "II", thenreserve power will work.*****Lack phase examination and protection: exam and protectbreaking of any phase of normal power and reserve power.