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Fuse Disconnector General Model List
|
Serial number |
Order No | Electric current |
Adaptation |
|
1 |
DNH18-160/3L | 160A | Fixed installation (punching), three-phase synchronous operation, with fuse |
|
2 |
DNH18-160/311L | 160A | Hook up installation, with auxiliary contact, three-phase synchronous operation, with fuse |
|
3 |
DNH18-250/3L | 250A | Fixed installation (punching), three-phase synchronous operation, with fuse |
|
4 |
DNH18-250/3S | 250A | Fixed installation (punching), three-phase independent operation, with fuse |
|
5 |
DNH18-250/3LD | 250A | Fixed installation (punching), three-phase synchronous operation, with isolating knife |
|
6 |
DNH18-250/311L | 250A | Hook up installation, with auxiliary contact, three-phase synchronous operation, with fuse |
|
7 |
DNH18-400/3L | 400A | Fixed installation (punching), three-phase synchronous operation, with fuse |
| 8 | DNH18-400/3S | 400A | Fixed installation (punching), three-phase independent operation, with fuse |
|
9 |
DNH18-400/3LD | 400A | A fixed installation (punching), three-phase synchronous operation, with isolating knife |
|
10 |
DNH18-400/311L | 400A | Hook up installation, with auxiliary contact, three-phase synchronous operation, with fuse |
|
11 |
DNH18-630/3L | 630A | Fixed installation (punching), three-phase synchronous operation, with fuse |
|
12 |
DNH18-630/3S | 630A | Fixed installation (punching), three-phase independent operation, with fuse |
|
13 |
DNH18-630/3LD | 630A | Fixed installation (punching), three-phase synchronous operation, with isolating knife |
|
14 |
DNH18-630/311L | 630A | Hook up installation, with auxiliary contact, three-phase synchronous operation, with fuse |
|
Remarks |
1. For other specific order models, please see the explanation of the model of the bar fuse disconnector | ||
| 2. If you need other accessories, such as wiring terminals, please check the accessories list of strip fuse disconnector | |||
Fuse Disconnector Technical Parameter
|
DNN18-160 |
DNN18-250 | DNN18-400 |
DNN18-630 |
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|
Electrical parameters |
With fuse | Rated working voltage | Ue | V | AC
400 |
AC
500 |
AC
690 |
AC
400 |
AC
500 |
AC
690 |
AC
400 |
AC
500 |
AC
690 |
AC
400 |
AC
500 |
AC 690 |
|
|
Rated working current | Ie | A | 160 | 125 | 100 | 250 | 250 | 200 | 400 | 400 | 315 | 630 | 630 |
630 |
|
|
Agreed heating current |
Ith | A | 160 | 125 | 100 | 250 | 250 | 200 | 400 | 400 | 315 | 630 | 630 |
630 |
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|
Service level |
AC-23B | AC-23B | AC-22B | AC-23B | AC-22B | AC-21B | AC-23B | AC-22B | AC-21B | AC-23B | AC-22B |
AC-21B |
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|
Rated limiting short-circuit current |
Iq | kA | 50 | 100 | 100 | 50 | 100 | 100 | 50 | 100 | 100 |
50 |
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|
|
Rated insulation voltage | Ui | V | 1000 | 1000 | 1000 |
1000 |
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|
Rated impulse withstand voltage |
Uimp | kV | 8 | 12 | 12 |
12 |
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|
|
Rated frequency | Hz | 50/60 | 50/60 | 50/60 |
50/60 |
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|
Electric life times |
time | 200 | 200 | 200 |
200 |
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|
With isolating knife |
Rated working voltage | Ue | V | \ | \ | AC500 | \ | \ | AC500 | \ | \ | AC500 |
\ |
|||
|
Rated working current |
Ie | A | \ | \ | 250 | \ | \ | 400 | \ | \ | 630 | \ | ||||
|
Agreed heating current |
Ith | A | \ | \ | 250 | \ | \ | 400 | \ | \ | 630 |
\ |
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|
Service level |
\ | \ | AC-23B | \ | \ | AC-23B | \ | \ | AC-23B | \ | ||||||
|
|
Rated limiting short-circuit current | Iq | kA | \ | \ | 12 | \ | \ | 12 | \ | \ | 12 |
\ |
|||
|
Rated insulation voltage |
Ui | V | \ | 100 | 1000 |
1000 |
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|
|
Rated impulse withstand voltage | Uimp | kV | \ | 12 | 12 |
12 |
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|
Rated frequency |
Hz | \ | 50\60 | 50\60 |
50\60 |
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|
|
Electric life times | time | \ | 200 | 200 |
200 |
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|
Fuse |
Size （RT16/NT/NH）
GB/T13539.2 IEC 62269-2 |
00 | 1 | 2 |
3 |
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|
|
Working current | In | A | 160 | 125 | 100 | 250 | 250 | 200 | 400 | 400 | 315 | 630 | 630 |
500 |
|
|
power waste |
P | W | 12 | 12 | 12 | 18 | 23 | 32 | 28 | 34 | 45 | 40 | 48 |
60 |
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|
Mechanism |
Mechanical life | time | 1400 | 1400 | 800 | 800 | 1400 |
800 |
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|
Busbar spacing |
mm | 185 | 185 | 185 |
185 |
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|
Protection grade of mechanism |
Front
|
on | IP20 | IP20 | IP20 |
IP20 |
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|
off |
IP30 | IP30 | IP30 |
IP30 |
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Other
|
Electronic fuse monitor (EFM) | Can be added | Can be added | Can be added |
Can be added |
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|
Switch opening and closing signal feedback (microswitch) |
Can be added | Can be added | Can be added | Can be added | ||||||||||||
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Working conditions
|
Ambient air temperature | ℃ |
-5 ～ +55 |
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Rated working system |
Uninterrupted working system | |||||||||||||||
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Operation mode |
Handle operation |
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Installation method |
Vertical installation |
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|
Altitude |
m |
≤ 2000 |
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class of pollution |
3 |
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Overvoltage level |
Overvoltage level | Ⅲ
|
Ⅳ |
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