Negotiable
The date of payment from buyers deliver within days
Shanghai
Long-term effective
2017-11-29 04:43
260
Company Profile
Mingde Electrical (Shanghai) Co., Ltd.By certification [File Integrity]
Contact:Miss Candy Fang(Mr.)
Email:
Telephone:
Phone:
Area:Shanghai
Address:Shanghai
Website: http://meletek.chinaoutdo.com/
Item | unit | Data |
Rated voltage | kV | 24 |
1 min power frequency withstand voltage | kV | 65 |
Lightning impulse withstand voltage | kV | 125 |
Rated frequency | Hz | 50 |
Rated current |
A | 1600 |
Rated short-time withstand current | kA | 20,25,31.5 |
Rated peak withstand current | kA | 50,63,80 |
Rated short-circuit breaking current | kA | 20,25,31.5 |
Rated short-circuit closing current | kA | 50,63,80 |
Rated short-circuit duration | S | 4 |
Contact over-travel | mm | 3.5±0.5 |
Clearance between open contacts | mm | 13±1 |
Average opening speed | m/s | 1.3±0.3 |
Average closing speed | m/s | 0.8±0.2 |
Opening time | ms | 35-60 |
Closing time | ms | 20-45 |
Rated operation sequence | O-0.3s-CO-180s-CO(<40kA)/ O-180s-CO-180s-CO(≥40kA) |
|
Mechanical life | cycles | 10000 |
No. | Rated Voltage(kV) | Rated current(A) | Short-circuit breaking current(kA) | h1(mm) | h2(mm) | h(mm) | B(mm) |
1 | 24 | 630 | 20-31.5 | 325 | 310 | 768 | 747 |
2 | 24 | 1250 | 20-31.5 | 325 | 310 | 768 | 747 |
3 | 24 | 1250 | 31.5-40 | 345 | 310 | 768 | 747 |
4 | 24 | 1600 | 20-40 | 345 | 310 | 768 | 747 |
No. | Rated Voltage(kV) | Rated current(A) | Short-circuit breaking current(kA) | h1(mm) | h2(mm) | h(mm) | B(mm) |
1 | 24 | 630 | 20-31.5 | 325 | 310 | 768 | 747 |
2 | 24 | 1250 | 20-31.5 | 325 | 310 | 768 | 747 |
3 | 24 | 1600 | 20-31.5 | 345 | 310 | 768 | 747 |
4 | 24 | 1600-2500 | 20-31.5 | 345 | 310 | 813 | 737 |