Yueqing Feeo Electric Co.,Ltd is one of the professional China dc isolator with mc4 up and down type manufacturers and suppliers, if you are going to check the price with one solar dc isolating switch, solar dc isolator switch, 600vdc isolator, 4p dc isolator switch, solar disconnector factory in China, please feel free to contact us. Product Description Solar DC up-in down-out type isolator It is important to ensure that all electrical connections(including factory connections) are tight, ensure that all terminal screws are tightened firmly. It is recommended that for DC, multi-stranded cable, crimp ferules are used to ensure that the wires do not become loose,loose cables can cause excessive watt loss and generate excessive heat causing severe damage to the switch. After installing and wiring the switch carry out the following test: switch on and off several times making sure that a positive snap action can be felt and heard. If the switch cannot be felt and heard to operate correctly then it is important that che switch is not used. 3/4Pole FDIS Switch Main contacts Type FDIS Rated thermal current 1 the A 16 25 32 Rated insulation voltage U i V 1000 1000 1000 Rated operational current leDC2l B 2 pole in series 600V A 16 15 32 2 pole in series+ 2 poles parallel 600V A 29 45 50 900V A 13 16 20 1200V A 9 11 13 3 poles in series 900V A 16 25 32 1000V A 16 25 32 4 poles in series 600V A 16 25 32 600V A 16 25 32 600V A 16 25 32 Rated operational current le DC22B 2 poles in series 600V A 5.5 6 6.5 900V A 1 2.5 3 1200V A 1 1.5 2 3 poles in series 600V A 16 23 25 900V A 6.5 7 7.5 1200V A 5.5 6 6.5 4 poles in series 600V A 16 25 27.5 1000V A 11.5 12 12.5 1200V A 8 9 110 Rated conditional short-circuit current A 5 5 5 Mechanical life x10 10 10 10 Rated short-time withstand current(ls) 2,4/2+2H A 800/1300 900/1500 1000/1700 Short circuit making capacity 1cm 800/1300 900/1500 1000/1700 FAQ Q: If I'm interested in your DC Isolator when I can receive your quotation and detail information after send the inquiry? A:All your inquiry will be replied in 24hours. Q:Your DC Isolator seems perfect but what's the difference between you and other suppliers?Because I find some cheaper price from others! A: Our DC Isolator is IP66 degree and they are high quality customized.for solar system I think compare the quality first and then compare the price is the best way. Q:Can I get a sample before the order because I really don't how is your DC Isolator quality? A:Of course!We also think sample order is the best way to build the trust. Q:How's the delivery?Because I really need them is urgently? A:For sample order 3~7days will be no problem.And for regular order we promise in 15days. Q:How's the warranty period for your DC Isolator? A:We offer one year warranty for our customer. Packaging Details: standard export box package carton size 420/240/330 Delivery Detail:15-20DAYS Quality Control We have a strict standard on raw materials and will proceed more than 6 times inspection during the mass production, including the supervisor and machine inspection. Factory audit could be availability to our customers if necessary.