HR6 series fuse Isolating switch 160A-800A
Abubuwa gaba
| Muhimmiya | Switchgear parts |
| Model NO. | HR6 series fuse Isolating switch 160A-800A |
| Rated Voltage | AC 400V/AC 690V |
| Raitidu kọ̀ọ̀kan | 160A |
| Rated Frequency | 50/60Hz |
| Siri | HR6 |
Bayani na sayen daga mai wuyaci
Fus Isolating switch na da kungiyar, takalma, arc extinguishing chamber da wasu abubuwa, duka suka yi amfani da arc resistant plastic tare da full plastic structure.
Static contact yana a kan fus Isolating switch base, saboda haka arc extinguishing chamber yana da kyau a fitowa da a gaba.
Duka arc extinguishing chamber na da biyu babban: an inner chamber da an outer chamber. An yi amfani da multiple metal arc extinguishing grids don bayyana arc extinguishing ability da kuma inganta contact life.
NT type fuse link yana a kan takalma. Takalma zai iya zama fan-shaped, ya zama a rota da supporting elements.
Yana da electrical isolation distance mai yawa don tabbatar da disconnector. Takalma zai iya a fitowa da kuma a gaba da base, wanda yake da kyau a fitowa da kuma a gaba da fuse link.
Na da two sets of installation holes a kan bottom seat, wanda suke da kyau don installation requirements a kan various switch cabinets da kuma a panel.
A dukun switch, ana iya a fitowa da auxiliary contacts as required don bayyana signals indicating the on-off state of the switch.
A disconnect switch fuse Isolating switch na da switching device wanda yake da kyau a switch/isolate loads da kuma distribution boards manually.
Yana da kyau a make, carry da kuma break the specified rated current (including specified overload).
Yana da protection to backward electrical loads, safely disconnecting all electrodes and electrical components from the power supply under load.
In addition to the protection provided by the fuse, the Fused disconnect switch also has the characteristics of a load switch and an isolating switch.
It consists of three groups of switchblades and plastic bodies, each group of switchblades constitutes a double break for each phase. There is a gap reserved for bridging fuses in the centre of each set of blades.
The disadvantage of this arrangement is that when the switch is turned on to replace the fuse, the circuit connected to the fused disconnect switch may still have leakage current,
so electricians should use professional protective equipment such as insulating gloves, hard hats, etc. when they replacing the fuse.
Main technical parameters
Matching relationship between switch and fuse link
| Agreed thermal power generation (A) | Model of flame breaker | Rated working voltage (v) | Melt current value (A) |
| 160 | NT00、RT16-00 | AC-23B 400 | 2,4,6,10,16,20,25,32,40,50,63,80,100,125,160 |
| 160 | NT00、RT16-00 | AC-22B 690 | 2,4,6,10,16,20,25,32,40,50,63,80,100 |
| 250 | NT1、RT16-1 | AC-23B 400 | 40,50,63,80,100,125,160,200,225,250 |
| 250 | NT1、RT16-1 | AC-22B 690 | 40,50,63,80,100,125,160,200 |
| 400 | NT2、RT16-2 | AC-23B 400 | 160,200,250,300,315,350,400 |
| 400 | NT2、RT16-2 | AC-22B 690 | – |
| 630 | NT3、RT16-3 | AC-23B 400 | 315,400,500,630 |
| 630 | NT3、RT16-3 | AC-22B 690 | 315,400,500 |
| 800 | NT3、RT16-3 | AC-23B 400 | 315,400,500,630,800 |
Switch technical parameters
| model | HR6-160 | HR6-250 | HR6-400 | HR6-630 | HR6-800 |
| Rated insulation voltage (V) | 1000 | 1000 | 1000 | 1000 | 1000 |
| Agreed heating current (A) | 160 | 250 | 400 | 630 | 800 |
| Rated working current (A) | 160 | 250 | 400 | 630 | 800 |
| Rated limiting short-circuit current (KA) | 50 | 50 | 50 | 50 | 50 |
| Size of matched fuse | 00 | 1 | 2 | 3 | 3 |
| class of pollution | 3 | 3 | 3 | 3 | 3 |
| Installation category | III | III | III | III | III |
Note: The rated voltage of auxiliary switch is AC 380V, the agreed heating current is 5A, the use category is AC-15, and the rated working power is 300VA
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