ZFN 16-12 series indoor H.V.load switch
ZFN16-12 Series Indoor H.V. Load Switch
Summary
It is designed and developed by ourselves. Its performances reach international and national standard in GB3604-90 <<3-63KV AC H.V. Load Switch>> and IE420 <<AC H.V. Load Switch with Fuse>> (1990 Edition), with the features of safe breakinglong power lift-timefrequent operationobvious isolating break and break transfer current without maintain, The load switch with fuse box have also protects transformer against over-load and working without phase.
Application
ZFN16-12 Series Switch is used in the network of rated voltage 6-12 KV and three-phase AC 50Hz for breaking loadoverload and short-circuit current, esp. for the requirement of frequent operation but without oilization and repair.
The product is equipped with CS6- I type operating mechanism and CS handle operating mechanism.
Service condition
a. The altitude does not exceed 1000m.
b. The ambient air temperature: Max.: +40 . Min: -25 .
c. The relatire humidity of air. daily average ≤ 90%. monthly average ≤ 95%.
d. The ambient air should not be obviously polluted by corrosivity or the flammability gas and steam. etc.
e. The working situation without frequent violent.
Technical parameter and performances
Number | Name | Unit | Parameter |
1 | Rated voltage | kV | 12 |
2 | Rated frequency | A | 630 |
3 | Reated current | A | 630 |
4 | Lighting impulse resisting voltage | A | 630 |
5 | 1min power frequency with stand voltage | A | 31.5 |
6 | Rated heat - stability current | A | 10 |
7 | Rated machine-stability current | A | 1250kVA current of no-load transformer |
8 | Rated closing current (peak) | kV | 42/48 |
9 | Rated short-circuit breaking current | kV | 75/85 |
10 | Rated transfer current | kA | 50 |
11 | Max. breaking current | kA/S | 20/2 |
12 | Breaking no-load transformer capacity | kA | 50 |
13 | Rated cable charging current | 10000 | |
14 | Rated power load current breaking times | 10000 | |
15 | Switch-off time of rated power load current switch on-and-off | mm | 3 |
16 | Earth switch heat-stability current | mm | 210 |
17 | Earth switch heat-stability curreak (peak) | N.M | <100 |
18 | Motor operating power valtage | mm | 700×800×390 |