This product is a voltage indicator designed by our company according to users’ needs. Its internal circuit adopts low power consumption light-emitting components, which makes the whole machine low power consumption, more stable performance and higher reliability. In order to facilitate the user to check the phase of the double circuit on site, the indicator panel is set up with phase test end, while the face frame of the indicator shell adopts the front removable type, so that the user can replace the indicator without opening the indicator shell on site, which is widely used in the indoor high voltage electrical equipment of 7.2, 12, 24, 40.5kV and 50Hz frequency, and can reflect the high-voltage energisation condition by supporting with the sensing unit and can also be used in the isolation switch and earthing switch, which can also be used to reflect the high voltage energisation condition by supporting with the isolation switch and earthing switch. It can be used with sensing unit to reflect the high-voltage charged condition, and with isolating switch and earthing switch, it can also improve the error-proof performance of the supporting products.
(WARNING: Relying on the display of the energised display unit alone is not sufficient to prove that the system is not energised. If there is any doubt or if it affects the specified operating procedures, an electrical checker conforming to the requirements of DL740 should also be used to check the electricity.)
Normal operating conditions
1. Ambient temperature: the upper limit is not more than +40 ℃, not less than -25 ℃, not less than -35 ℃ in special areas
2. Altitude of sea level: the sea level of the installation area is not higher than 1000m
3. Atmospheric conditions: air relative humidity is not greater than 95% of the average daily value, and
4. Monthly average value is not more than 90%; daily average value of water vapour pressure is not more than 2.2kPa, monthly average value is not more than 1.8kPa.
5. Environmental conditions: no obvious filth, no flammable, explosive chemical corrosion and salt spray places
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