GENERAL ·The overvoltage protection device is used for measurement and protection units in single and three-phase derivations equipment, magnetothermic breakers and differential current releaser equipped, reglable or fixed.
TECHNICAL CHARACTERISTICS
·Rating supply voltage U(n).........................................220Vac-15%..+10%
·Rating frequency.......................................................50Hz±5%
·Differencial device action voltage U(a)........................270V±10V
·Differencial device releasing maximal time t(d)............0,2sec.
·Maximal repose current at action voltage value I(a).....1mA
ENVIRONMENTAL CONDITIONS
·Climatic zone........................................N
·Temperature range..............................-25 deg.C...+55 deg.C
·Relative humidity of air.........................max.90% at 20 deg.C
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