Quick Details
Description
- Place of Origin: Zhejiang, China (Mainland)
- Brand Name: TENGEN
- Model Number: ZW32-24G
- Type: High Voltage
- Poles Number: 3
- Rated voltage: 24KV
- Rated current: 630/1250A
- Frequency: AC50Hz
- Power frequency withstand voltage: 79KV
- Altitude: ≤2000
- Function: device protection
- Electrical life: 10000times
- Rated operation voltage: 110V/220V
- Standard: GB1984-2003,IEC62271-100,GB/T11022-1999,DL/T402-2007,GB/T311.2-2002
- Temperature: -45~40℃
Introduction
ZW32-12,ZW32-24 Series outdoor high voltage vacuum circuit breaker is rated voltage 12KV,24kv, three phase AC 50Hz outdoor distribution equipment .mainly used to breaking closing power system load current ,overload current and short-circuit current.
Normal Service Conditions
a. ambient air temperature , upper limit +40, lower limit-45
b. elevation,≤1000mIf there is any need to increase the elevation,, the rated insulation level should be increased properly
c. wind pressure, less than 700pa(the same as 34m/s wind speed)
d. Amplitude, The earthquake intensity does not exceed 8 degrees
e. pollution level, level 3
f. daily range of temperature ,less than 25
The main technical parameter,
Table 1 Circuit breaker parameter
|
No.
|
Item
|
Unit
|
Value
|
|
12KV
|
24KV
|
|
1
|
Rated voltage
|
KV
|
12
|
24
|
|
2
|
Rated current
|
A
|
400,630
|
630,1250
|
|
3
|
1min power frequency voltages
|
KV
|
42
|
79
|
|
4
|
Lightning impulse withstand voltage (peak)
|
KV
|
75
|
145
|
|
5
|
rated short-circuit breaking current
|
KA
|
16,20
|
20,25
|
|
6
|
rated short-circuit closing current (peak)
|
KA
|
40,50
|
50,63
|
|
7
|
rated peak value withstand current(peak)
|
KA
|
40,50
|
50,63
|
|
8
|
4S Rated instantaneous withstand current
|
KA
|
16,20
|
20,25
|
|
9
|
Rated operation sequence
|
|
Open-0.3s-close open-180s-close open
|
|
10
|
rated short-circuit breaking current breaking number
|
Times
|
30
|
|
11
|
mechanical life
|
times
|
10000
|
|
12
|
Energy storage motor voltage
|
V
|
DC or AC220
|
|
13
|
Rated control voltage
|
V
|
DC or AC220
|
|
14
|
Moving fixed contact limit erosion
|
mm
|
3
|
|
15
|
Over-current tripper rated current
|
A
|
5
|
Table2 Circuit breaker mechanical characteristic parameter
|
No.
|
product
|
Unit
|
Value
|
|
12KV
|
24KV
|
|
1
|
Contactor torque
|
mm
|
9±1
|
13±1
|
|
2
|
Contact travel
|
mm
|
2±0.5
|
3±1
|
|
3
|
Average closing speed
|
m/s
|
0.6±0.2
|
0.8±0.2
|
|
4
|
Average breaking speed
|
m/s
|
1.2±0.2
|
1.4±0.2
|
|
5
|
Closing time(rated operating voltage)
|
ms
|
≤2
|
≤2
|
|
6
|
Three-phase opening synchronism
|
ms
|
≤2
|
≤2
|
|
7
|
Three-phase breaking synchronism
|
ms
|
≤2
|
≤2
|
|
8
|
Closing time
|
ms
|
25~50
|
25~60
|
|
9
|
Breaking time
|
ms
|
18~45
|
23~50
|
|
10
|
major loop direct-current resistance
|
μΩ
|
≤80
|
≤100
|
|
11
|
Center distance of interphase
|
mm
|
340±3
|
395±3
|
TENGEN ELECTRIC HOLDING CO., LTD is one leading manufacturer and exporter in the fields of electrical apparatus, wiring accessories, hardware, fire alarm system, tools and so on, our company located in Liushi town of Wenzhou city where is the largest production centre in China for electrical products.
From 1983 to now, our company has cooperated with more than 80 factories, and produces over 20 kinds, thousands of models of high quality electric products yearly. Mainly including:
1. Electrical apparatus: circuit breaker, AC contactor, Relay, fuse, timer, counter, distribution box, meter socket, current transformer, meter, pushbutton switch, LED pilot lamp, limit switch, pedal switch, float switch, industrial plug & socket, Stabilizer and so on.
2. Wiring accessories: cable tie, cable clip, cable puller, cable marker, cable lugs, cable glands, terminal blocks, wiring ducts, insulated terminals, MCB insulated busbar, dinrail and so on.
3. Hardware: flexible conduit & connector, EMT fittings, Metal switch boxes and so on.
4. Tools: hand crimping tools, cable cutter, hydraulic crimping tool, tester, screwdriver and so on
5. fire alarm and warning system: fire alarm bell, electric bell, smoke detector, motor siren, buzzer, warning light and so on
Internationalization standard quality guarantee system:
The product quality of Tengen has been strictly controlled in each working procedure, many kinds of internationalization standard quality guaranteed system can be highly effective
under company's strict monitoring. fellowtrader commended, customer's approval can sufficiently make sure of our product quality.
"Tengen" was evaluated as " Chinese famous trademark", Tengen has obtained American FMRC Corporation ISO9001 quality system authentication, ISO14001 environment management system authentication, CCC authentication, European Union CE safe Authentication, American UL authentication and Dutch KEMA authentication and so on, at the same time, it has had the first side laboratory -- low voltage electric appliance test center which is the first connected with international in China.
We promise to offer you superior products, favorable price, and timely delivery. If you are interested in cooperating with us, please feel free to contact with us in your earliest convenience time.
