Specifications are subject to change without notice (06.06.13) 1
Monitoring Relays
• 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
AC current transformers for
5, 20, 100, 500 AAC. Output
Ordering Key
Type
Input current
Type Selection
Input current Type no.
5 AAC MI 5
20 AAC MI 20
100 AAC MI 100
500 AAC MI 500
voltage (0.4 - 4 Vp) is pro por -
tion al to meas ured cur rent.
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
rms
1000 VAC
rms
1000 VAC
rms
1000 VAC
rms
Overvoltage category IV (IEC 60664) IV (IEC 60664) IV (IEC 60664) IV (IEC 60664)
Dielectric strength
Dielectric voltage 6 kVAC
rms
6 kVAC
rms
6 kVAC
rms
6 kVAC
rms
Rated impulse withstand volt. 12 kV (1.2/50 µs) 12 kV (1.2/50 µs) 12 kV (1.2/50 µs) 12 kV (1.2/50 µs)
Power consumption < 100 mW/5 A < 100 mW/20 A < 0.5 W/100 A < 6 W/500 A
MI 5 MI 20 MI 100 MI 500
Output Voltage
(T
A
= 20°C, R
L
= 9.5 kΩ) 0.4 - 4 V
p
0.4 - 4 V
p
0.4 - 4 V
p
0.4 - 4 V
p
Output impedance < 700 Ω < 200 Ω < 40 Ω < 10 Ω
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
rms
250 VAC
rms
250 VAC
rms
250 VAC
rms
Current Transformer, 1-Phase AC
Types MI 5, MI 20, MI 100, MI 500
Output Specifications
MI 500
