Ningbo Tian'an Jinghua Power Technology Co., Ltd.
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| Place of Origin: | China |
| Brand Name: | Tianan Electric |
| Certification: | GB1984、GB/T11022、DL/T403 and IEC62271 |
| Model Number: | VT19-24 |
| Minimum Order Quantity: | 10 sets |
|---|---|
| Price: | Pending |
| Packaging Details: | Wooden Cases |
| Delivery Time: | 35 work days |
| Payment Terms: | L/C, T/T |
| Supply Ability: | 2000PCS/year |
| Rated Voltage: | 24KV | Embedded Poles: | APG Process |
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| Rated Current: | 630 A,1250A | Type: | Fixed Type / Handcart Type |
| Rated Frequency: | 50Hz | Function: | Conventional Circuit Breaker |
| Speed: | Normal Type Circuit Breaker | Product Name: | AC Vacuum Cleaner Trips 1250A 24KV High Voltage Vacuum Circuit Breaker |
| High Light: | 1250A High Voltage Vacuum Circuit Breaker,24KV High Voltage Vacuum Circuit Breaker,AC vacuum cleaner trips breaker IEC 62271 |
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AC Vacuum Cleaner Trips 1250A 24KV High Voltage Vacuum Circuit Breaker
Overview
VT19-24indoor HV vacuum circuit breaker is used in three-phase AC electric system of 50HZ,24kV. It is used as control and protection department in the mining company ,power factory and substation. Because of its special advantages, it is also suitable for the site which frequently operation under rated current or multiple breaking short-circuit current.
The circuit breaker is identified by some national standards and international relative standards, such as GB1984,GB/T11022,DL/T403 and IEC62271, etc. It has reliable lockage, used as truck department or fixed installation department.
Type designation for 24kV 1250A High Voltage Circuit Breaker VT19 Handcart Circuit Breaker
Service condition of AC Vacuum Cleaner Trips 1250A 24KV High Voltage Vacuum Circuit Breaker
Normal condition
Ambient temperature +40℃~-25℃
Ambient humidity Daily average relative humidity ≤95%
Daily average stream pressure ≤2.2ⅹ10-3MPa
Monthly average relative humidity ≤90%
Monthly average stream pressure ≤1.8ⅹ10-3Mpa
Elevation ≤1000m(If it is 12kV, ≤4000m)
Degree of earthquake <8
The site has no water,no fire goods and explosion goods,no chemical goods and serious quake
Special condition
If user has some special requirement, please negotiated by manufacture and user.
The main parameter of AC Vacuum Cleaner Trips 1250A 24KV High Voltage Vacuum Circuit Breaker
| Rated voltage | 24kV | ||
| Rated frequency | 50Hz | ||
| Rated lighting impulse withstand voltage | 125kV | ||
| Rated 1 min power frequency withstand voltage | 65kV | ||
| Rated operation sequence | O-0.3s-CO-180s-CO | ||
| Rated current (A) | 630,1250 | 1250,1600,2000,2500 | |
| Rated short circuit breaking current (r.m.s, kA) | 20/25 | 31.5 | |
| Rated short circuit making current (peak value, kA) | 50/63 | 80 | |
| Rated short time withstand current/short circuit continuous time (kA/s) | 20,25/4 | 31.5/4 | |
| Rated peak value withstand current (kA) | 50/63 | 80 | |
| Breaking times of rated short circuit(times) | 30 | ||
| Mechanical duration (times0 | 20000 | ||
| Weight (kg) | Fixed type | ≤250 | |
| Truck type | ≤350 | ||
| Name | Unit | Data | |
| Distance of contact terminal | mm | 12±1 | |
| Over-travel | 4±1 | ||
| Three-phase opening & closing asynchronous | ms | ≤2 | |
| Tripping time of closing contact terminal | ms | ≤2 | |
| Closing & opening time | Opening | ms | ≤50 |
| Closing | ≤70 | ||
| Average opening speed(after opening 6mm) | m/s | 1.4±0.3 | |
| Average closing speed(after closing 6mm) | 0.8±0.2 | ||
Ordering information:
1. Breakers name, type, size and number of orders
2. Optional element program
3. Rated operating voltage
4. The name and quantity of spare parts, spare parts
5. If there are other special customer requirements, when ordering
Contact Person: admin
Tel: +8613858385873
