Customization: | Available |
---|---|
Type: | Distribution Metering Box |
Structure: | Protection |
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SND escriptions | Units | Technical Parameters | |||||
1 | Rated voltage | KV | 12 | ||||
2 | Rated insulation level | Power frequency withstand voltage(1min) | KV | Between phases,phase toearth | Primary isolating distance | ||
42 | 48 | ||||||
Lightning impulse withstand voltage | 75 | 85 | |||||
3 | Rated short-time withstand current(4s) | KA | 20 | 25 | 31.5 | 40 | |
4 | Rated short-circuit breaking current(effective value) | KA | 20 | 25 | 31.5 | 40 | |
5 | Rated short-circuit making current(peak value) | KA | 506380100 | ||||
6 | Rated feeder line current | A | 630-3150 | ||||
7 | Rated busbar current | A | 630-3150 | ||||
8 | Degree of protection | IP4X | |||||
9 | Overall dimensions(W/D/H | mm | 800(1000)/1500(1660)/2300 |
ltem | Unit | Values | ||
ZN48A/B-24 switch equipped | ZN48A/B-40.5 switch equipped | SF1/SF2 switch equipped | ||
Rated voltge | KV | 24 | 35 | |
Rated current | A | 630,1250,1600,2000,2500 | 630,1250,1600,2000,2500 | 630,1250,2500 |
Rated rerquency | HZ | 50 | 50 | 50 |
Rated short-circuit breaking current | KA | 20,25,31,5,40 | 20,25,31,5 | 25,31,5,40 |
Rated short-circuit making current | KA | 50,63,80,100 | 50,63,80 | 63,80,5,40 |
Rated short-time withstand current | KA/S | 20,25,31,5,40,/4s | 20,25,31,5,/4s | 25,31,5.40/3s |
Rated peak withstand current | KA | 50,63,80,100 | 50,63,80 | 63,80,100 |
1min power frequeney with standvoltage | KV | 85 | 95 | 70(95) |
lightning impulse with standvoltage | KV | 125 | 185 | 170(185) |
Degree of protection | IP4X |