HR6 series fuse-switch disconnector ,is mainly applied to circuit of power-distribution and motor which rated voltage AC380V and AC660V(45-62Hz),conventional thermal current up to 630A, and have the high short-circuit current. It works as power-supply switch,emergency switch and circuit protector,but usually is not as motor indirect starter . This product conforms to standard of IEC60947-3,GB14048.3.
Normal operational conditions and installation conditions
3.1 Temperater: no higher than +40ºC,and no lower than -5ºC,and the day average temperature no higher than +35ºC.
3.2 Altitude: no higher than 2000m
3.3 The relative humidity: no more than 50%,when temperature is +40ºC.The product can withstand higher humidity under lower temperature,for instance,when it at +20ºC,the production can withstand 90% relative humidity.
The condensation that happened because of temperature changes should be taken care.
And Installation location should have no exploresion danger, and no gas and conductive dust which can cause corrosion and insulation damage.
3.4 Class of pollution: 3 Calss
3.6 Installation type:III, IV.
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Main technical parameter
| Conventional thermal current (A) | Fuse(match) | Rated voltage(V) | Fuse current(A) |
| 160 | NT00 | 380 | 4,6,10,16,20,25,62,35,40,50,63,80,100,125,160 |
| 660 | 4,6,10,16,20,25,62,35,40,50,63,80,100 | ||
| 250 | NT1 | 380 | 80,100,125,160,200,224,250 |
| 660 | 80,100,125,160,200 | ||
| 400 | NT2 | 380 | 125,160,200,224,,250,300,315,355,400 |
| 660 | 125,160,200,224,,250,300 | ||
| 630 | NT3 | 380 | 315,355,400,425,500,630, |
| 660 | 315,355,400,425 |
Liquid Crystal Display Monitor is a Liquid Crystal Display with a monitoring BNC signal processing terminal using a 7*24 hour professional power module and a monitoring driver scheme using Liquid Crystal Display technology.
size
LCD screen size refers to the LCD display part of the diagonal length. 1 inch =2.56 cm. In order to make a whole LCD screen produce the highest profit after cutting, a lot of research has been done on cutting technology. Take the LCD screen used by the 20-inch LCD monitor, there are 19.7-inch LCD screen and 20.1-inch LCD screen. But we generally call it a 20-inch liquid crystal.
The power supply board
Liquid crystal monitor and common liquid crystal display and liquid crystal TV all need to use liquid crystal power board to supply the liquid crystal screen. The difference lies in the choice of power board, general LCD monitor will use 7*24 hours of industrial power board; And because the market that monitor and liquid crystal TV are aimed at itself basically is civil market, the power supply that USES basically still is common power supply.
clarity
Similar to contrast, these two parameters are also important indicators to evaluate the effect of an LCD monitor. In theory, the higher the clarity, the better the picture.
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TONYA DISPLAY LIMITED , https://www.tydisplay.com