Complaint
| VS1-12 indoor HV vacuum circuit breaker is a 3 phase AC 50Hz indoor switch equipment. * Installation way: withdrawable type, fixed type, side mounted type. * Operating mechanism: spring operating mechanism, permanent magnetic operating mechanism. * Pole type: assembled pole, embedded pole. * Secondary plug: 58pins, 64pins. | ||
Rated voltage | kv | 12 |
1 min power frequency withstand voltage | kv | 42 |
Rated lightning impulse withstand voltage | kv | 75 |
Rated frequency | Hz | 50 |
Rated current | A | 630, 1250, 1600, 2000, 2500, 3150, 4000 |
Rated short circuit breaking current | kA | 20, 25, 31.5, 40 |
Rated short time withstand current | kA | 20, 25, 31.5, 40 |
Rated short circuit duration | S | 4 |
Rated peak value withstand current | kA | 50, 63, 80, 100 |
Rated short circuit making current | kA | 50, 63, 80, 100 |
Secondary circuit power frequency withstand voltage (1min) | V | 2000 |
Rated single/ back-to-back capacitor bank breaking current | A | 630/400 (800/400 for 40kA and 50kA) |
Rated capacitor bank closing inrush current | A | 12.5 |
Opening time (rated voltage) | ms | 20-50 |
Closing time (rated voltage) | ms | 35-70 |
Mechanical life | Times | 10000 |
Rated current breaking number | Times | 20000 (10000 tims for 50KA) |
Rated short circuit current breaking number | Times | 50 (30 for 40KA, 20 for 50KA) |
Moving and fixed contacts cumulative allowed wear thickness | mm | 3 |
Rated closing operating voltage | V | AC/DC 110/220 |
Rated opening operating voltage | V | AC/DC 110/220 |
Rated voltage of energy storage motor | W | 70 (80 for 40KA and 50KA) |
Rated power of energy storage motor | W | 70 (80 for 40KA and 50KA) |
Energy storage time | s | <10 |
Clearance between open contacts | mm | 11+/-1 |
Over travel | mm | 3.5+/-0.5 |
Contact closing bounce time | ms | <2 (<3 for 40KA and 50KA) |
Three phase opening and closing asynchronism | ms | <2 |
Average opening speed | m/s | 0.9 - 1.2 |
Average closing speed | m/s | 0.5 - 0.8 |
Main conductive circuit resistance | uO | <60(630A) <50(1250A) <35(1600-2000A) |
| <25(above 2500A) | ||
Closing contact pressure of the contacts | N | 2000+/-200 (20kA) |
| 2400+/-200 (25kA) | ||
3100+/-200 (31.5kA) | ||
4250+/-250 (40kA) | ||
6500+/-500 (50kA) | ||
Rated operating sequence | O-0.3s-CO-180s-CO | |
| O-180s-CO-180s-CO (50kA) | ||
| Certificate |
| FAQ |
1. Q: Do you have a catalogue? Can you send me the catalogue to have a check of all your products?
A: Yes , We have product catalogue.Please contact us on line or send an Email to sending the catalogue.
2. Q: I need your price list of all your products, do you have a price list
A: We do not have a price list of all of our products. Because we have so many items,and it's impossible to mark all of their price on a list.And the price are always changing because of the producing cost.If you want to check any price of our products, please feel free to contact us.We will send offer to you soon!
3. Q: I can't find the product on your catalogue, can you make this product for me?
A: Our catalogue shows most of our products,but not all.So just let us know what product do you need,and how many do you want.If we do not have it, we can also design and make a new mould to produce it.For your reference,making a ordinary mold will take about 35-45 days."
4. Q : Can you make customized products and customized packing?
A: Yes.We made a lot of customized products for our customer before. About customized packing,we can put your Logo or other info on the packing.There is no problem.Just have to point out that ,it will cause some additional cost.
5. Q: Can you provide samples ? Are the samples free ?
A: Yes,we can provide samples.Normally,we provide 1-3pcs free samples for test or quality checking.
But you have to pay for the shipping cos.If you need many items, or need more qty for each item, we will charge for the samples."
6. Q: What kind of payment do you accept ? Can I pay RMB ?
A: We accept T/T, Western Union . Please be sure that we can receive the same amount of the Invoice. And you can pay money In RMB. No problem."
7. Q : What about your delivery time?
A: We have a lot of products in stock.We can send the stock products in 3 work days.
If without stock,or stock is not enough, we will check the delivery time with you."
8. Q : How to ship my order ? Is it safe?
A: For small package, we will send it by Express, such as DHL,FedEx,UPS,TNT,EMS.That's a Door to Door service.
For big packages, we will send them by Air or By sea.We will use good packing and ensure the safety. We will be responsible to any product damage caused on delivery."
9. Q: Do you have a guarantee of your product quality?
A: We have a guarantee of 5 year.
10. Q: Can I become an Agent / Dealer of SRK products?
A: Welcome! But please let me know your Country/Area fisrt,We will have a check and then talk about this.If you want any other kind of cooperation,do not hesitate to contact us."
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