84873222 Crouzet Реле управления реле контроля фаз

Описание Технические характеристики 84873222 Crouzet Реле управления реле контроля фаз: Supply AC supply voltage frequency 50 / 60 Hz ±10 % Galvanic isolation of power supply/measurement No Inputs and measuring circuit Frequency of measured signal 50 →60 Hz ± 10 % Max. measuring cycle time 150 ms/True RMS measurement Voltage threshold adjustment Undervoltage -2 to -20 % of selected Un for M3US : (-2 to -12 % across the 3 x 208 V range) (-2 to -17 % across the 3 x 220 V range) for H3US : (-2 to -12 % across the 3 x 220 V range) Overvoltage 2→20 % of selected Un  For M3US and H3US : (+2 →+10 % across the 3 x 480 V AC range) Fixed hysteresis 2 % of Un (M3US, H3US) Display precision ± 3 % of the displayed value 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 Tt 0,3 →30 s (0, +10 %) Repetition accuracy with constant parameters ± 3 % Reset time 1500 ms Alarm on delay time max. 200 ms Output 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 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 60664-1 400 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 VDC General characteristics Display power supply Green LED Display relay Yellow LED (1 for M3US, 2 for H3US and H3USN) Mounting On 35 mm symmetrical DIN rail, IEC/EN 60715 Mounting position All positions Material : enclosure plastic type VO to UL94 standard Incandescent wire test according to IEC/EN 60695-2-11 Protection (IEC/EN 60529) Terminal block : IP 20 Casing : IP30