Lutze — . 750631 - Monitoring relay
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Part No. 750631 Type LCR-I-1-5-2U-24-240 Article on stock PU 1 piece Interface Technology Monitoring relay Current control in 3-phase networks 1-phase, AC 5 A Function Current monitoring of AC and DC voltages in 1-phase networkswith adjustable thresholdsseparately adjustable start-up suppression and trigger delayfunction selection via rotary switchOver Over-current monitoringOver + Latch Over-current monitoring with error memoryUnder Under-current monitoringUnder + Latch Under-current monitoring with error memoryWIN Monitoring the range between thresholds Min and MaxWIN + Latch Monitoring the range between Min and Max thresholds with error memory Start-up suppression, settable 0 – 10 s trigger delay, settable 0.1 – 10 s Supply status LED green Start bridge status LED green flashing Output relay status LED yellow Threshold error status LED red Trigger delay status LED red flashing Dimensions (w × h × d) 22,5×90×105 mm Colour of the housing light grey Housing material PA Protection class IP40 Connection cross-section 1×0.5 to 2.5 mm2 with AE1×4 mm2 without AE2×0.5 to 1.5 mm2 with AE2×2.5 mm2 without AE Installation position any Weight 0,2 kg/piece Approvals cULus Rated voltage range AC/DC 24 V – 240 V Tolerance AC -15 %/+10 %, DC -20 %/+25 % Rated frequency 16 Hz – 48 Hz @ AC 48 – 240 V, 48 Hz – 400 Hz @ AC 24 V – 240 V Power consumption 4.5 VA (1 W) Operating time 100 % ED Recovery time 500 ms Waveform AC Sinus Residual ripple 10 % Voltage drop >15 % of the power supply Measurement surge voltage 4 kV Number of channels 2 Switching element Relays Contact type Change over contact Measurement voltage AC 250 V Switching voltage AC250 V Switching current max. 5A (3A) Protection device 5 A, quick-acting Mechanical service life 20 × 106 (1000 VA) Electrical service life 2 × 105 (1000 VA) Switching frequency 60/min @100 VA, 6/min @ 1000 VA Over voltage category III acc. IEC 60664-1 Measurement surge voltage 4 kV Basic accuracy ≤3 % (end of scale) Frequency response -10 %/+5 % (16.6 – 400 Hz) Tolerance of setting ≤5 % (end of scale) Repeat accuracy ≤2 % Voltage influence N/A Temperature error ≤0.05 %/°C Measuring variable DC, AC (16.6 – 400 Hz) Measuring range AC/DC 20 mA, AC/DC 1 A, AC/DC 5 A Overload capability 250 mA @ 20 mA, 3 A @ 1 A, 10 A @ 5A Input resistance 2.7 Ω @ 20 mA, 47 mΩ @ 1 A, 10 mΩ @ 5 A Switching threshold min. 5 % – 95 % IN Switching threshold max. 10 % – 100 % IN Over voltage category III acc. IEC 60664-1 Measurement surge voltage 4 kV Temperature range according to UL -25 °C … +40 °C Temperature range -25 °C … +55 °C Storage temperature range -25°C…70°C Relative air humidity 15 % to 85 % acc. IEC 60721-3-3 Class 3K3 Degree of polution 3 acc. IEC 60664-1 Vibration resistance 10 – 55 Hz 0.35 mm acc. IEC60068-2-6 Impact resistance 15 g 11 ms acc. IEC 60068-2-27 Dimensions PIN assignment Технические данные 750631-us-data-sheet-010196090.pdf
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