Monitoring Relays Current Transformer, 1-Phase AC Types MI 5, MI 20, MI 100, MI 500 1-phase current metering transformer for use with control relays types: DUA01, PUA01, DIB02, PIB02, DIC01, PIC01, DWA01, PWA01, DWB01, PWB01, DWB02, PWB02, DWB03, PWB03, S 180, H 479 Measuring ranges: MI 5: 0.5 - 5 AAC MI 20: 2 - 20 AAC MI 100: 10 - 100 AAC MI 500: 50 - 500 AAC Product Description Ordering Key MI 500 voltage (0.4 - 4 Vp) is pro por - AC current transformers for Type tion al to meas ured cur rent. 5, 20, 100, 500 AAC. Output Input current Type Selection Input current Type no. 5 AAC MI 5 20 AAC MI 20 100 AAC MI 100 500 AAC MI 500 Input Specifications MI 5 MI 20 MI 100 MI 500 Current range 0.5 - 5 AAC 2 - 20 AAC 10 - 100 AAC 50 - 500 AAC Max. current (continuously) 20 AAC 50 AAC 250 AAC 750 AAC Max. overload current (t = 30 s) 40 AAC 85 AAC 325 AAC 1000 AAC Frequency range 40 Hz-1 kHz 40 Hz-1 kHz 40 Hz-1 kHz 40 Hz-1 kHz Rated insulation voltage Input-output 1000 VAC 1000 VAC 1000 VAC 1000 VAC rms rms rms rms Overvoltage category IV (IEC 60664) IV (IEC 60664) IV (IEC 60664) IV (IEC 60664) Dielectric strength Dielectric voltage 6 kVAC 6 kVAC 6 kVAC 6 kVAC rms rms rms rms Rated impulse withstand volt. 12 kV (1.2/50 s) 12 kV (1.2/50 s) 12 kV (1.2/50 s) 12 kV (1.2/50 s) Power consumption < 100 mW/5 A < 100 mW/20 A < 0.5 W/100 A < 6 W/500 A Output Specifications MI 5 MI 20 MI 100 MI 500 Output Voltage (T = 20C, R = 9.5 k) 0.4 - 4 V 0.4 - 4 V 0.4 - 4 V 0.4 - 4 V A L p p p p Output impedance < 700 < 200 < 40 < 10 Tolerance of output voltage rated input current 5% 5% 5% 5% Temperature variation 0.1% per C 0.1% per C 0.1% per C 0.1% per C Rated insulation voltage (cable) 250 VAC 250 VAC 250 VAC 250 VAC rms rms rms rms Specifications are subject to change without notice (06.06.13) 1MI 5, MI 20, MI 100, MI 500 General Specifications Mode of Operation The metered conductor is the current in the conductor Pollution degree 3 (IEC 60664) drawn through the central is 10 A. Ambient temperature - 20 to + 60C (- 4 to + 140F) hole of the current metering Housing trans form er. Drawing the con - In amplitude and phase the Dimensions MI 5, MI 20 52 x 45 x 16 mm duc tor through the hole sev - output voltage is pro por tion al MI 100, MI 500 95 x 67.5 x 20 mm er al times makes it possible to the phase current me tered. Material ABS to meter currents below the nominal range. 4 V will then be equal to Weight MI 5, MI 20 70 g p the rms-value of the nom i -nal MI 100, MI 500 270 g If the conductor is drawn phase current. Connection cable through the central hole e.g. 5 2 MI 5, MI 20 1 m, 2 x 0.25 mm times, the metering trans- 2 MI 100, MI 500 2 m, 2 x 0.25 mm former will register 50 A when Approval UL CE-marking Yes Wiring Diagrams Motor/gen er a tor black Latch/ hys ter e sis black Power supply Power supply S 178 S 1822 Dimensions MI 5, MI 20 MI 100, MI 500 2 Specifications are subject to change without notice (06.06.13)