Lutze — . 750605 - Monitoring relay
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Part No. 750605 Type LCR-U-3-1-2U-24-240 Article on stock PU 1 piece Interface Technology Monitoring relay Voltage monitoring 3-phase Function Voltage monitoring in 3-phase networkswith adjustable thresholdsSettable trigger delayMonitoring the phase sequence and phase failureAsymmetry monitoring with settable asymmetryfunction selection via rotary switchUnder Under-voltage monitoring Under + SEQ Under-voltage and phase sequence monitoringWIN Monitoring the range between thresholds Min and MaxWIN + SEQ Monitoring the range between the Min and Max thresholds and phase sequence monitoring Start-up suppression, settable No trigger delay, settable 0.1 – 10 s 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 Power consumption 2 VA (1 W) Operating time 100 % ED Recovery time 500 ms Waveform AC Sinus Residual ripple 10 % Voltage drop >30 % of the supply voltage 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. 3A (5A at a distance >5mm) 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) Tolerance of setting ≤5 % (end of scale) Repeat accuracy ≤2 % Temperature error ≤0.05 %/°C Measuring variable AC Sinus (48 to 63 Hz) External fuse max. 20 A (acc. UL 601010) Measuring range 3(N) AC 400/230 V Overload capability 3(N) AC 600/346 V Input resistance 1 MΩ Switching threshold min. -30 % – 20 % UN Switching threshold max. -20 % – 30 % UN Asymmetry 5 % – 25 % 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 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 750605-us-data-sheet-010196000.pdf