| Prod Model: |
ZN23 |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Circuit Breaker: |
Vacuum Circuit Breaker |
| Arc-extinguishing Medium: |
Vacuum |
| Breaking Capacity: |
High Voltage Circuit Breakers |
| Poles Number: |
3 |
| Certification: |
CCC |
| Operation: |
Electric Type |
| Installation: |
Fixed |
| Speed: |
High-Speed Circuit Breaker |
| Structure: |
Conventional Circuit Breaker |
Product Description
ZN23-40.5 series handcart type indoor vacuum circuit breaker for the high life rated 40.5kA, three-phase AC 50Hz indoor high-voltage electrical equipment. Apply to industrial and mining enterprises, substation and transmission and distribution systems for control and protection switching; particularly suitable for metallurgy, electric arc steel-making industries, etc. frequent operation required, as a control and protection equipment.
This product meets the GB 1984-89 "AC High Voltage Circuit Breaker" standard. Circuit breaker directly into the GBC-35, JYN1-35 cabinet, remove the plug can be installed separately
The Use of Environmental Conditions
1. Altitude: ≤1000m;
2. Air temperature: -15°C ~ +40°C;
3. Relative humidity: daily average is not more than 95%, saturated vapor pressure daily average is not more than 1.8kPa.
4. Earthquake intensity: not more than 8.
5. Installation places: No fire, explosion hazard, serious filthy places.
6. In the second system, the amplitude of induced electromagnetic interference does not exceed 1.6kv
7. Power condition: DC 110V, 220V; AC 110V, 220V
Mainly Technical Parameters
| NO | Item | Units | Technical parameters |
| 1 | Rated voltage | kV | 40.5 |
| 2 | Thunder impulse withstand voltage(peak value) | kV | 185 |
| 3 | lmin industrial frequency withstand voltage | kV | 95 |
| 4 | Rated frequency | Hz | 50 |
| 5 | Rated current | A | 1250,1600,2000 |
| 6 | Rated short-circuit break current | kA | 25 | 31.5 |
| 7 | Rated peak value withstand current | kA | 25 | 31.5 |
| 8 | Rated peak value withstand current | KA | 63 | 80 |
| 9 | Rated short-circuit duration time | s | 4 |
| 10 | Rated short circuit breaking time | ms | |
| 11 | Rated short circuit closing current | kA | 80 |
| 12 | Rated operation order | | 0-0.3s-C0-180s-C0 |
| 13 | Time of closing brake | ms | 50~85 |
| 14 | Time of breaking brake | ms | 40~85 |
| 15 | Rated short-circuit current break and close times | Times | 20 |
| 16 | Mechanical life-span | Times | 10000 |
| 17 | Rated dropout current of condenser bank | A | 630 |
| 18 | Rated power of energy-storage electric machine | W | 275 |
| 19 | Rated volt of energy-storage motor | V | 25 ± 2 |
| 20 | Storage time | S | ≤15 |
| 21 | Closing and opening solenoid rated voltage | V | ≈220,110 |
| 22 | Loss of pressure tripping device rated voltage | V | ≈220,110 |
| 23 | Over current tripping device rated current | A | 5 |
| 24 | Auxiliary switch rated voltage current | A | DC10 |
Wenzhou Suoli Electric Co, . Ltd. (will change the namer to Wenzhou Manjia Electric Co., Ltd. ) is a manufacturer specialized in low-voltage electrical appliance, gathering research, manufacture, distribution and service as a whole. We mainly produce switch cabinet, JXF, distribution box, lighting box, plastic water-proof and dust-proof junction box, seal box, MCBs and so on.
Our company is established in 1995, located in Yueqing economic development zone with an area of 7800 square meters which is next to national highway 104, the transportation is very convenient.
Relying on powerful technology strength, advanced testing equipment, exquisite technical and modernized management mode, based on the principle that people oriented, we have 200 workers and 20 engineers. We import numerical control bending machine, cutting machine, punch, injection molding machine and such top-ranking facilities. Our products have passed certification of SON, CE and ISO9001.
The satisfaction of customers is our wishes and responsibility. In order to offer best services, we require all the staff to strengthen the notion of customer first. Besides, we also have established the center of after-sale services.
The company always keeps in touch in with clients and communicates with potential clients. Suoli always has been keeping the idea of the human being as base and considers honesty as the foundation, peace as the most valuable thing, and puts credibility in the first place.
Together with you, Souli is willing to create a better future.
