Selection
Operating conditions
1. The altitude does not exceed 1000m.
2. The ambien t air temperature: Maximum+40℃: Minimum: General Area-30℃, Paramos-40℃ .
3. The wind pressure does not exceed 700Pa.
4. The earthquake intensity does not exceed 8 degrees.
5. The working situation without frequent violent vibration.
6. The installation site of ordinary type isolator s hould be kept away from gas,smoke chemical deposition, salt-spray-fog, dust and other and corrosive maters that affect seriously insulation and conuction capability of the isolator.
7. Pollution-proof type isolator is applies to severe filthy conduction area, however,
8. It shouldn't be any explosive matters and matters causing fire.
Technical data
Item |
Unit |
Value |
Technical data |
KV |
10 |
15 |
24 |
Rated working voltage |
KV |
12 |
17.5 |
|
Rated insulation level |
1min power frequency withstand voltage (effective value) |
to ground |
KV |
42 |
55 |
65 |
Fracture |
KV |
48 |
65 |
79 |
Lightning impulse withstand voltage (peak) |
to ground |
KV |
75 |
105 |
125 |
Fracture |
KV |
85 |
120 |
145 |
Rated frequency |
HZ |
|
50 |
|
Rated current |
A |
200 |
400 |
630 |
1250 |
400 |
630 |
4s short-time withstand current |
KA |
6.3 |
12.5 |
20 |
31.5 |
16 |
20 |
Rated peak withstand current |
KA |
16 |
31.5 |
50 |
80 |
40 |
50 |
Creepage distance |
mm |
300 |
380 |
|
Mechanical life |
Time |
2000 |
2000 |
2000 |
Overall and mounting dimensions(mm)