REF 54_ Product Guide - ABB Oy Distribution Automation - #39

Text version of the page

Feeder Terminal REF 541, REF 543, REF 545. 1MRS750443-MBG Table 13: Power outputs Max system voltage Continuous carry Make and carry for 0.5 s Make and carry for 3 s Breaking capacity when control circuit time constant L/R <40 ms, at 48/110/220 V dc Minimum contact load TCS (Trip Circuit Supervision) Control voltage range 250 V ac/dc 5A 30 A 15 A 5 A/3 A/1 A 100 mA, 24 V ac/dc (2.4 VA) 20...265 V ac/dc Current drain through the approx. 1.5 mA (0.99...1.72 mA) supervision circuit Minimum voltage (threshold) over a contact 20 V ac/dc (15...20 V) Table 14: Analogue outputs Output range Accuracy Max load Isolation Response time 0...20 mA ±0.5% of full scale 600 2 kV (output to output, output to inputs and output to protective earth) 85 ms Table 15: Environmental conditions Specified service temperature range Transport and storage temperature range Degree of protection by enclosure Front side, flush-mounted Rear side, connection terminals Dry heat test Dry cold test Damp heat test, cyclic Storage temperature tests -10...+55°C -40...+70°C IP 54 IP 20 according to IEC 60068-2-2 according to IEC 60068-2-1 according to IEC 60068-2-30 r.h. = 95%, T = 20°...55°C according to IEC 60068-2-48 Table 16: Standard tests Insulation tests Dielectric test IEC 60255-5 Impulse voltage test IEC 60255-5 Insulation resistance measurements IEC 60255-5 Mechanical tests Vibration tests (sinusoidal) Shock and bump test Seismic test Test voltage Test voltage 2 kV, 50 Hz, 1 min. 5 kV, unipolar impulses, waveform 1.2/50 µs, source energy 0.5 J > 100 M, 500 V dc Insulation resistance IEC 60255-21-1, class I IEC 60255-21-2, class I IEC 60255-21-3, class 2 39