China Cheap price Adjustable Cable Ties - TFN7-12DR series Indoor high voltage load switch-fuse combination – TENPRO
China Cheap price Adjustable Cable Ties - TFN7-12DR series Indoor high voltage load switch-fuse combination – TENPRO Detail:
Gas-producing arc extinguishing
Side load switches can also be used as isolators
Hanging wall operation
Indoor high voltage load switch-fuse combination
TFN7-12DR AC high voltage load switch is a new type of gas-producing indoor high voltage load switch. It is suitable for switching off load current and switching off short circuit current in three-phase AC power system with 50 Hz AC and 12 KV rated voltage.
Installation and use
Normal use conditions:
·Ambient air temperature
Upper limit: 40 ℃
Lower limit: 10 ℃ in general area and -25 ℃ in high cold region
·Altitude: altitude is 1000 m and below.
·Relative humidity: daily average is not greater than 95%, monthly average is not more than 90%
·Ambient air should be free from corrosive or combustible gases and water vapor.
·No regular violent vibration.
|Rated voltage (KV.) Valid value)||12|
|dielectric level||Power frequency 50Hz withstand voltage 1min (KV. RMS)||Interphase, phase 42||Isolation fracture 48|
|lightning impulse withstand voltage (KV peak)||Interphase, phase 75||Isolation fracture 85|
|Rated current (A)||400||630|
|Rated thermal stable current (KV.) Valid value 4S)||12.5||20|
|Rated dynamic stable current (KV.) Value)||31.5||50|
|Rated short circuit closing current (KA.) Peak)||31.5||50|
|load switch||Earthing switch at the incoming end||Earthing switch at the outlet||interlock||fuse||Percussive fuse||Electric switchgear|
Product detail pictures:
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No matter new customer or outdated client, We believe in extensive phrase and trusted relationship for China Cheap price Adjustable Cable Ties - TFN7-12DR series Indoor high voltage load switch-fuse combination – TENPRO, The product will supply to all over the world, such as: Danish , Lesotho , Barbados , We are very responsible for all details on our customers order no matter on warranty quality, satisfied prices, quick delivery, on time communication, satisfied packing, easy payment terms, best shipment terms, after sales service etc. We provide one-stop service and best reliability to our every customers. We work hard with our customers, colleagues, workers to make a better future.
By Anastasia from Seychelles - 2015.09.23 17:37
The goods we received and the sample sales staff display to us have the same quality, it is really a creditable manufacturer.
By Raymond from Mali - 2015.06.03 10:17