Product Standards
♦ IEC62271-100 High Voltage Switchgear and Controlgear Part 100: AC Circuit-breakers
♦ GB1984 High Voltage AC Circuit-breakers
♦ GB/T11022 Common Specifications for High-voltage Switchgear and Controlgear Standards
♦ JB/T 3855 High Voltage AC Vacuum Circuit-breakers
♦ DL/T402 Specification of High-voltage AC Circuit-breakers
Environmental Conditions
♦ Ambient temperature: -40°C~+40°C;
♦ Altitude: <1000m;
♦ Maximum wind speed is 10km/h, minimum wind speed for the rated level (132/230kv) is 3.2km/h;
♦ Earthquake intensity: <8 level;
♦ Minimum nominal creepage distance: 31mm/kV;
♦ Air pollution degree: Class IV.
Model NO. |
ZW7-40.5 |
Speed |
Normal Type Circuit Breaker |
Arc-extinguishing Medium |
Vacuum |
Installation |
Fixed |
Structure |
Recloser |
Poles Number |
3 |
Type |
Circuit Breaker |
Function |
Vacuum Circuit Breaker |
Certification |
ISO9001-2000, CE, CCC |
Rated Voltage |
40.5kv |
Rated Frequency |
50Hz |
Mechanical Life |
10000 Times |
Rated Current |
630A |
Transport Package |
Export Standard Wooden Case |
Trademark |
CHSH |
Origin |
China |
HS Code |
8535210000 |
Production Capacity |
500 Pieces/Week |
Product Description
Zw7-40.5 type outdoor high voltage vacuum circuit breaker is used for AC 50Hz, voltage 40.5kV three-phase power system, as breaking, closing load current, overload current and short circuit current. ZW7-40.5 Type vacuum circuit breakeris mainly used for outdoor 35kV power transmission system control and protection also applies to urban and rural power distribution networks and industrial and mining enterprises in the normal operation and short circuit protection purposes. The overall structure of the insulator pillar product type; built vacuum interrupter type on the vase, porcelain vase for the next pillar vase. For frequent operation place. And has good sealing, anti-aging, high pressure, no burning, no explosion, long life, convenient installation and maintenance features.
Detailed Photos


Company Profile



FAQ
1. Are you a trading company or manufacturer ?
We are a professional factory with 10 years experience in the field of High and low Voltage switchgears, Substation ,transformers,cable distribution box and various electrical equipment, such as vacuum circuit breaker , load break switch etc.
Our factory is the excellent supplier of State Grid Corporation od China .
2. Do you accept customized serveice ?
We offer OEM/ODM service , can print your logo on product . our professional technical and quotation team can provice a satisfied project according to your drawing and parameters .
3. What is your MOQ?
Our MOQ is 1 piece.
4. How long is your delivery lead time ?
It depends on your product requirement and quantity . Generally , 5~10 working days is avaliable .
5. How do you solve quality problems?
Please porvide detailed photoes of quality problems. our technical and quality testing department will analyse.we will make a satisfied soluton within 2 days .
6. What is your payment terms ?
30%T/T in adcance,70% before shipment . West union , L/C are also acceptable.
https://zj-shenheng.en.made-in-china.com/