Hot ZN12-40.5 indoor high voltage vacuum circuit breaker
| Min. Order: | 1 Set/Sets |
|---|---|
| Payment Terms: | L/C, D/P, D/A, T/T, WU |
| Place of Origin: | Hubei |
Company Profile
| Location: | Wuhan, Hubei, China (Mainland) |
|---|---|
| Business Type: | Manufacturer, Distributor/Wholesaler |
Product Detail
| Means of Transport: | Ocean, Air, Land |
|---|---|
| Type: | Vacuum |
| Poles Number: | 3 |
| Brand Name: | feite |
| Packing: | as required |
| Delivery Date: | within two weeks |
Product Description
| Main Technical Data | |||
| Rated voltage | kv | 40.5 | |
| Rated lighting impulse withstand voltage(peak) | kv | 185 | |
| Rated short-time power frequency withstand voltage(1min) | kv | 95 | |
| Rated short-circuit breaking current | kA | 25 | 31.5 |
| Rated current | A | 1250/1600 | 1250/1600/2000 |
| Rated peak withstanding current | kA | 63 | 80 |
| Rated operations of short-circuit breaking current interruption | times | 20 | |
| Rated duration of short-circuit | s | 4 | |
| Rated operating sequence | 0-0.3-CO-180s -CO | ||
| Supply voltage of open and close installation | v | AC,DC220 AC,DC110 | |
| Closing time | ms | 50~100 | |
| Opening time | ms | 30~60 | |
| Rated single capacitor bank breaking current | A | 630 | |
| Rated back to back capacitor bank breaking current | A | 400 | |
| Mechanical life | times | (M1 degree)10000 | |
| Mechanical characteristics adjustment data | |||
| Rated contact stroke | mm | 22±2 | |
| Contact overtravel | mm | 8±2 | |
| Average opening speed | m/s | 1.8±0.2 | |
| Average closing speed | m/s | 0.65±0.2 | |
| Contact bouncing duration at closing operation | ms | ≤3 | |
| Type of operatinf structure | Special 3AV sprinf operating structure | ||
| Three-pole simultaneity | ms | ≤2 | |
| Condactive circuit resistance of each phases | μΩ | ≤45 | |
Mechanical characteristics adjustment data
Rated contact stroke mm 11±1
Contact overtravel mm 8±2
Average opening speed m/s 1.0~1.8
Average closing speed m/s 0.6~1.1 0.8~1.3 0.8~1.3
Contact bouncing duration at closing operation ms ≤2
Core distance between phases mm 210,230,250,275
Three-pole simultaneity ms ≤2
Condactive circuit resistance of each phases μΩ <40