ZN23-40.5 Handcar type indoor high voltage vacuum circuit breaker
Product Introduction:
ZN23-40.5 series indoor high voltage vacuum circuit breaker is a three-phase AC 50Hz, rated voltage of 40.5kV indoor device, equipped with CT19 spring operating mechanism. The products are divided into two kinds: fixed type and handcart type. The fixed type is used in the XGN17-40.5 box-type fixed high voltage switchgear; Handcart configuration in JYN1-40.5 handcart in JYN-40.5 removable metal enclosed switchgear or GBC high voltage switchgear....
Parameter
Rated voltage KV 40.5
Rated lightning impulse withstand voltage (peak value) KV 185
1 min power frequency withstand voltage KV 95
Rated frequency HZ 50
Rated current A 1250,1600,2000
Rated short-circuit breaking current KA 25,31.5
Rated short-circuit withstand current KA 25,31.5
Rated peak withstand current KA 63,80
Rated short circuit duration S 4
Rated short circuit breaking time MS ≈90
Rated short-circuit closing current KA 80
Rated operating sequence 分0.3-合分-180s-合分
Closing time MS 50-85
Open time MS 40-85
Rated short circuit breaking current breaking times 次 20
Mechanical life 次 10000
Rated capacitor bank breaking current A 630
Rated power of energy storage motor W 275
Rated voltage of energy storage motor V AC/DC220.110
Energy storage time S <15
Rated voltage of opening and closing electromagnet V AC/DC220.110
Rated current of the overcurrent trip device A 5
Rated current of auxiliary switch A 10
Outline and mounting dimensions

Order instructions
When ordering, please indicate:
1, Circuit breaker model, name, quantity;
2, Mechanism model, operating voltage;
3. Name and quantity of spare parts ;
4. When the user purchases spare parts and wearing parts from the manufacturer, please indicate the code, name and quantity, and the voltage level of the dividing and closing coils.
1-3. Screws
2- Upper support
4- Plug
5- Support rod
6- Arc extinguishing chamber
7- Gasket
8.9.11- Screws
10- Conductive clip
12- Conductive rod
13, 15- Slot pin
14, 16- Block card
17- Connector
18- Screw
19- Turn the shaft
20-CD10- electromagnetic operating mechanism
21- Oil buffer
22- Rubber buffer
23- Cover shell
24- Turn the shaft
25- Pull the rod
26- Handle
27-CS6-1 Manual operation mechanism
28- Opening spring
29- Support insulator
30- Bearing seat