عضویت 
ورود اعضا
راهنمای خرید
DELIXI ZW7-40.5 Outdoor High Voltage AC Vacuum Circuit Breaker0 pages
MV Components
(Circuit Breaker ZW7-40.5)
General
This product is used in AC 50Hz power system, outdoor type MV circuit
breaker. It is suitable for controlling and protecting 35kV distribution
system. It is used in division and coincide load current, cut-off and
drop-out short circuit current.
Model
ZW 7 - 40.5 / □ □ □
Rated short circuit drop-out current (kA)
Rated current (A)
D: Permanent magnetic actuator
T: Spring operating mechanism
Rated voltage (kV)
Design sequence
Outdoor type vacuum circuit breaker
Use Condition
a. Ambient temperature: Max: +40℃; Min: -40℃
b. Elevation less than 1000m
c. Wind pressure less than 700Pa (equal to wind speed 34m/s)
d. Earthquake scale less than 8
e. Air pollution index Ⅲ
Note: Other requirements, please tell me first.
Structure
1.
2.
3.
4.
5.
6.
Pillar type construction, waterproof type wheel box, new type vacuum extinction chamber;
Can install 2 or 3 PCS current transformer, each phase have four winding, transformation ratio can be select;
Can fit CT19BW spring actuating mechanism or CD10 permanent magnetic actuator;
Drop-out performance choiceness, reliability highness, life cycle lengthily, working of maintain smallness;
Environmentally protective, no oiling and gasification;
Can be using in the place which elevation is 2700m after external insulation is to amend.
Ordering Instructions
1. Product’s model, name, rated value and quantity;
2. Current transformer’s transformation ratio, degree of accuracy and quantity;
3. The voltage of actuating mechanism.
