Online: PAUL XIE MSN:
Tel:+86-21-57468933 Fax:+86-21-57577777 Email: paul@ekcneke.cn cneke@cneke.cc
  |
  |
  |
Location: >> Products >> Electrical products >> ProductsZN63A (VS1)-12, ZN63M(VSm)-12 indoor HV AC vacuum circuit breaker
General
ZN
Technical parameters
|
Item |
Unit |
|
||||||
|
Rated voltage |
KV |
12 |
||||||
|
Rated frequency |
HZ |
50/60 |
||||||
|
Rated insulation |
1min power frequency withstand voltage |
KV |
42 |
|||||
|
Lightning impulse withstand voltage |
KV |
75 |
||||||
|
Rated current |
A |
630、1250、1600、2000、2500、3150、4000、5000 |
||||||
|
Rated short circuit drop-out current |
KA |
20 |
25 |
31.5 |
40 |
50 |
63 |
|
|
Rated short circuit making current |
KA |
50 |
63 |
80 |
100 |
130 |
160 |
|
|
Rated short time withstand current (4S) |
KA |
20 |
25 |
31.5 |
40 |
50 |
63 |
|
|
Rated withstand current (peak) |
KA |
50 |
63 |
80 |
100 |
130 |
160 |
|
|
Rated heterogeneous phase grounding fault drop-out current |
KA |
17.4 |
21.8 |
27.4 |
34.8 |
43.5 |
54.8 |
|
|
Rated single capacitor bank drop-out current |
A |
630 |
||||||
|
Rated back to back capacitor bank drop-out current |
A |
400 |
||||||
|
Rated short circuit drop-out current and numbers |
Numbers |
20~40KA;50;40KA;30;50、63KA;20 |
||||||
|
Mechanical endurance |
numbers |
20000 |
||||||
|
Rated operation sequence |
|
20~40KA;O-0.3S-CO-180S-CO 50~63KA;O-180S-CO-180S-CO |
||||||
