Send Message

ZN85-40.5 3 Phase 33kv 35kv 40.5kv Vacuum Circuit Breaker VCB

Basic Information
Place of Origin: XIAN, China
Brand Name: XG
Certification: ISO CCC
Model Number: ZN85
Minimum Order Quantity: 1 SET
Packaging Details: WOODEN CASE
Delivery Time: 3-7 DAYS
Payment Terms: L/C, T/T, D/A, D/P, Western Union, MoneyGram
Supply Ability: 2000 SET
Detail Information
Type: Indoor Rated Voltage: 33kv,36kV, 40.5kV
Rated Current: 400A 630A, 1250A, 1600A, 2000A, 2500A, 3150A, Frequency: 50/60Hz
Medium: Vacuum Material: Galvanized Sheet And Accessories
Standard: GB, IEC Standard Function: Control And Protection
High Light:

ZN85-40.5 Vacuum Circuit Breaker


40.5kv Vacuum Circuit Breaker


Vacuum Circuit Breaker VCB

Product Description

1. ZN85-40.5 series 3 Phase 33kv 35kv 40.5kv indoor high voltage vacuum circuit breaker vcb


ZN85-40.5 type indoor high voltage vacuum circuit breaker is suitable for three-phase AC 50Hz, rated voltage 40.5kV power system, can be used for industrial and mining enterprises, power plant and substation as opening and closing load current, overload current, fault current use.

Circuit breaker and operating mechanism adapt the upper and lower arrangement of institutions, effectively reducing the circuit breaker depth.


2. Parameter Data


No. Item Unit Date
1 Rated voltage kV 40.5
2 1 min power frequency withstand voltage kV 95
3 Lightning impulse withstand voltage kV 185
4 Rated frequency Hz 50
5 Rated current A 1250,1600,2000
6 Rated short time withstand current kA 25,31.5
7 Rated peak withstand current kA 63,80
8 Rated short duration current s 4
9 Rated short-circuit breaking current kA 25,31.5
10 Rated short-citcuit closing current kA 63,80
11 Rated sequence of operations   0-0.3s-CO-180S-CO
12 Rated short-circuit breaking current breaking time time 20
13 Single capacitor bank breaking current A 630
14 Back to back capacitor bank breaking current A 400
15 Rated operating voltage V -100/~110, -220/~220
16 Mechanical life time 1000


3. Application


height above sea level:≤1000m

Ambient temperature:-15~+40ºC.
Relative humidity:the average humidity of a day should be no more than 95%;the average humidity of a month should be no more than 90%.
It should be installed in the places without fire,explosion,serious filth, chemical erosion and violent vibration.

Saturated vapor pressure:the average pressure of a day should be no more than 2.2kPa:the average pressure of a month should be no more than 1.8kPa.
Earthquake intensity:not exceed 8 degrees.


4. Photo and drawing





5. Factory


ZN85-40.5 3 Phase 33kv 35kv 40.5kv Vacuum Circuit Breaker VCB 2


6.  Delivery


ZN85-40.5 3 Phase 33kv 35kv 40.5kv Vacuum Circuit Breaker VCB 3




1. Send the technical data, better for all useful information; we will make a good recommendation.

If possible please attach one reference picture to avoid any misunderstanding or any links from our website for we get a better understanding.

2. The lead time depend on quantity of order. Some standard type is on stock. Otherwise, it will take 3-15 days.

3. Usually shipped by sea, small order or urgent order we can send you by air.

4. All our activities are accredited to ISO 14001:2015 and IEC standard.

Contact Details

Phone Number : +8613319220197

WhatsApp : +8613319220197