84872141 Crouzet Реле управления реле контроля напряжения

Описание Технические характеристики 84872141 Crouzet Реле управления реле контроля напряжения: Supply Polarity with DC voltage AC supply voltage frequency 50 / 60 Hz ± 10 % Galvanic isolation of power supply/measurement No Immunity from micro power cuts 10 ms Inputs and measuring circuit Max. measuring cycle time 250 ms/True RMS measurement Display precision ±10 % of full scale Repetition accuracy with constant parameters ± 0,5 % Measuring error with voltage drift < 1 % across the whole range Measuring error with temperature drift ± 0,05 % / °C Timing Delay on thresold crossing 0,1 →10 sec (0, +10 %) Repetition accuracy with constant parameters ± 0,5 % Reset time 1,5 s Delay on pick-up 500 ms in AC / 1 s in DC Output Type of output 1 single pole changeover relay Type of contacts No cadmium Maximum breaking voltage 250 V AC/DC Max. breaking current 5 A AC/DC Min. breaking current 10 mA / 5 V DC Electrical life (number of operations) 1 x 105 Breaking capacity (resistive) 1250 VA AC Maximum rate 360 operations/hour at full load Operating categories acc. to IEC/EN 60947-5-1 AC 12, AC 13, AC 14, AC 15, DC 12, DC 13, DC 14 Mechanical life (operations) 30 x 106 Insulation Nominal insulation voltage IEC/EN 60664-1 250 V Insulation coordination (IEC/EN 60664-1) Overvoltage category III : degree of pollution 3 Rated impulse withstand voltage (IEC/EN 60664-1) 4 KV (1,2 / 50 μs) Dielectric strength (IEC/EN 60664-1) 2 KV AC 50 Hz 1 min Insulation resistance (IEC/EN 60664-1) > 500 MΩ / 500 V DC