ZW7-40.5/T1600-31.5 Outdoor high-voltage vacuum breaker is used for threephase
AC 50Hz,40.5KV power system,mainly applied for controlling and protection of outdoor power transmission and transformation system of 35kv, also in normal operation and short-circuit protection for all kinds of power grid and frequent operation place. The breaker conforms to standards of GB 1984-2003.
Product Application and Features
ZW7-40.5/T 1600-31.5 outdoor AC high voltage vocuum circuit breaker is used in three phase power systems of AC 50Hz,which is for breaking and making load current, overload current and short-circuit current.
Main features:
1. The structure is simple. The fabrication and installation is easy.
2. It has characters of reliable operating mechanism, long life time and maintenance-free.
3. It can be equipped with max. four kinds of different ratio current transformer according to user needs
4. It can have an external power supply transformer according to user needs
5.
Maintenance-free or less maintenance due to the reasonable design and high quality components.
Main Technical Parameters
Conditions of use
1. Ambient air temperature:-25℃ ~+45℃ (extreme cold area:-40℃ );
2. Altitude no higher than 1000m、2500m;
3. Wind pressure is less than 700pa (equivalent wind speed 34m/s);
4. Air pollution level: Ⅳ grade;
5. Applicable occasions should be free from inflammables, explosives, corrosives and
severe vibration.
Product outline dimension drawing
1、Upper wiring terminal
2、Vacuum interrupter
3、Cover with hand hole
4、Lower wiring terminal
5、Supporting insulator
6、Mechanism box
7、Door
8、Lifting eye bolt
9、Door handle
10、Operate mechanism(in the box)
11、Earthing sign
12、Insulation pulling rod
13、Crank arm
14、Support
15、Current transformer
16、Screw