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Detailed Product Description
HH3 Sealed Type Load Switch(Isolating Switch, Switch box)
1. Rated voltage: 380V
2. Rated current: up to 400A
HH3 Sealed Type Load Switch(Isolating Switch, Switch box)
Application
(HH3) series close type switch can be used in AC 50 Hz, rated working voltage up to 380V, rated current up to 200A to mannual unfrequent on-off overload and short circuit of circuit .
Main technical parameters
The rated short circuit current of the inside fuse should be as per below table request when the load switch working under 105% to 110% of rated voltage.
The inside fuse should meet the requirement of , when the ambient temperature is 20 + - 5 degree , the fuse should cut out within 1 hour when the current is 1.6 Ie, should not cut out within 1 hour when current is 1.25Ie.
|
Rated current A |
Fuse short circuit current A |
Power factor |
Breaking times |
|
100 |
4000 |
0.8 to 0.05 |
2 |