Specifications
Brand Name :
TYHD
Model Number :
TYHD-ZW32-10/24
Certification :
Type test report
Place of Origin :
China, Beijing
MOQ :
1 set
Price :
Negotiation
Payment Terms :
L/C, T/T, Western Union
Supply Ability :
2000 sets/month
Delivery Time :
3-5 working days
Packaging Details :
standard export package
Material :
stainless steel
composition :
vacuum interrupter and operation insulator
magnetic mechanism :
interlock function
applicable voltage :
12kv, 15kv,24kv,27kv,38kv
Description

Circuit breaker technical parameters:

S/N

Name

Unit

Data
12kV 24kV
1 Rated Voltage kV 12 24
2 Rated Frequency Hz 50 50
3 Rated currency A 630 1250 630 1250
4 Rated short-circuit breaking current kA 20 25 31.5 20 25 31.5
5 Rated peak withstand current kA 50 63 80 50 63 80
6 Rated short-time withstand current / duration kA/S 20/4 25/4 31.5/4 20/4 25/4 31.5/4
7 Rated short circuit closing current (peak) kA 50 63 80 50 63 80
8 Rated operation sequence times 0-0.3S-C0-180S-CO 0-0.3S-C0-180S-CO
9 Mechanical life times 10000 10000
10 Rated short-circuit breaking current breaking times times 30 30
11 1min Power frequency withstand voltage (wet) phase, ground/fracture kV 34/35 64/50
(dry) phase, ground/fracture kV 42/49 65/79
12 Lightning impulse withstand voltage (peak) phase to phase, phase to ground / fracture kV 75/85 125/145
13 Secondary circuit 1min power frequency withstand voltage V 2000 2000

Main mechanical characteristics of the circuit breaker

S/N

Name

Unit

Data
12kV 24kV
1 Contact opening distance mm 9±1 12±1
2 Contact over-travel distance mm 2+1-0.5 3±1
3 Opening speed m/s 1.4±0.2 1.4±0.2
4 Closing speed m/s 0.6±0.2 0.7±0.2
5 Contact closing bounce time ms ≤2 ≤2
6 Distance between the phase mm 340 380
7 Different period of three phase closing(opening) ms ≤2 ≤2
8 Main circuit resistance per phase / with CT / with CT band isolation μΩ ≤50/≤70/≤120 ≤50/≤70/≤120
9 Closing time ms 30~60 25~60
10 Opening time ms 20~45 20~50
11 Energy storage motor rated power W 40 70
12 Circuit breaker body weight kg 70 85

Switch appearance and size

Stainless Steel Pole Mounted Switch , Vacuum Circuit Interrupter Switch

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Stainless Steel Pole Mounted Switch , Vacuum Circuit Interrupter Switch

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Brand Name :
TYHD
Model Number :
TYHD-ZW32-10/24
Certification :
Type test report
Place of Origin :
China, Beijing
MOQ :
1 set
Price :
Negotiation
Contact Supplier
Stainless Steel Pole Mounted Switch , Vacuum Circuit Interrupter Switch
Stainless Steel Pole Mounted Switch , Vacuum Circuit Interrupter Switch

Beijing Tianyihongda Science & Technology Development Co., LTD

Site Member
7 Years
beijing, beijing
Since 2014
Business Type :
Manufacturer, Exporter, Seller
Total Annual :
3000000-5000000
Employee Number :
150~180
Certification Level :
Site Member
Contact Supplier
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