Breaking Capacity: | High Voltage Circuit Breakers |
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Operation: | Electric Type |
Speed: | High-Speed Circuit Breaker |
Arc-extinguishing Medium: | Vacuum |
Installation: | Insert |
Poles Number: | 3 |
Customization: |
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Phase Distance P | Rated Current(A) | A | B | C | D | E | F | H | L | M | N |
150 | 630-1250 | 498 | 502 | 532 | 280 | 76 | 78 | 275 | 598 | 433 | 638 |
210 | 630-1600 | 638 | 652 | 682 | 280 | 76 | 78 | 275 | 598 | 433 | 638 |
275 | 630-1600 | 838 | 852 | 882 | 280 | 76 | 78 | 275 | 598 | 433 | 638 |
275 | 1600-4000 | 838 | 852 | 882 | 295 | 77 | 88 | 310 | 586 | 361 | 698 |
Unit: mm |
Phase Distance P | Rated Current(A) | A | B | D | E | F | H | L | N |
150 | 630-1250 | 440 | 410 | 237 | 275 | 45 | 275 | 385 | 440 |
210 | 630-1600 | 588 | 520 | 237 | 275 | 20 | 275 | 385 | 440 |
275 | 630-1600 | 770 | 720 | 237 | 275 | 20 | 275 | 385 | 440 |
275 | 1600-4000 | 770 | 720 | 252 | 275 | 30 | 310 | 395 | 440 |
Unit: mm |
ZN137-12 Main Technical Data | |||
1 | Rated Frequency | Hz | 50/60 |
2 | Rated Voltage | kV | 12 |
3 | Short-time(1min) Power-frequency Withstand Voltage | kV | 42/48 |
4 | Lightning Impulse Withstand Voltage(Peak) | kV | 75/85 |
5 | Rated Current | A | 630~5000 |
6 | Rated Short-circuit Breaking Current | kA | 20~50 |
7 | Mechanical Endurance | Operations | ≥20000 |
8 | Switching Operations of Rated Short-circuit Breaking Current | Operations | 30 |
9 | Average Opening Speed (first 6 mm) | m/s | 0.9~1.2 |
10 | Average Closing Speed (last 6 mm) | m/s | 0.5~0.8 |
11 | Clearance Between Open Contacts | mm | 9±1 |
12 | Contact Over Trip | mm | 3.5±1 |
13 | Contact Bounce Duration at Closing Operation | ms | ≤2 |
14 | Out of Simultaneity of Contact Closing and Opening | ms | ≤2 |
15 | Maximum Rebound During Opening | mm | ≤2 |
16 | Closing Time | ms | 35~70 |
17 | Opening Time | ms | 20~50 |
18 | Energy Storage Time | s | ≤15 |
19 | Rated Operating Voltage | V | AC 110/220 |
DC 110/220 | |||
20 | Rated Operation Sequence | O-0.3s-CO-180S-CO | |
O-180s-CO-180S-CO |
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