Description:
It is used for proteclion and control.Due to the special advantages of vacuumcircuit breakers,it is especially suitable for places that require frequent operation under rated current or multipleshort-circuit currents. Main advantages Safe and reliable, able to meet operational requirements under special conditions Over 22 years of manufacturing experience Brand vacuum arc extinguishing chamber and fixed sealing pole Reliable operating mechanism Excellent operational system ensures stable quality and convenient delivery Complete solutions, convenient ordering, and easy installation Accept OEM&ODM:YES Certificate: CE,Test reports Production time: 7~ 12 working days Warranty period: 12 Months Delivery time: 15 days Payment term: 50% deposit before production+50% balance before shipment(by T/T,D/P,Paypal)
|
No |
tem |
Unit |
Data |
|
|
1 |
Rated volloge |
KV |
12 |
|
|
2 |
Rated lighining impulse withstand voltage Rated insulation lpeak |
75 (Phase fo phase,to earthi/80 (Between open contacts |
||
|
level1 min power frequency withstand voltage |
42 (Phase to phase,to earth)/48 (Between open confacls |
|||
|
3 |
Rated short circuit breaking current |
KA |
25 |
31.5 |
|
4 |
Rated current |
A |
630 1250 |
630 1250 1600 |
|
5 |
Raled thermal stability current (RMS) |
25 |
31.5 |
|
|
6 |
Rafed dynamic stability current (peak) |
KA |
63 |
80 |
|
7 |
Rated short circuit making curren |
63 |
80 |
|
|
8 |
Raled short circuit current breaking time |
Times |
50 |
|
|
9 |
Secondary circuit operaling frequency withstand voltoge |
V/min |
2000 |
|
|
10 |
Rated operating sequence |
0-0.3s-C0-180s-CO |
||
|
11 |
Raled thermal stability time |
S |
4 |
|
|
12 |
Rated single /back to back capacitor bank breaking curren |
A |
630/400 |
|
|
13 |
Mechanical life |
Times |
20000 |
|
