AC Current Transducers | LEM
AC Current transducer - AT Series
Split-core transducer for the electronic measurement of AC waveform currents, with galvanic isolation between the primary circuit (power) and the secondary circuit (measurement). 0-10 V DC voltage output proportional to the RMS value of the primary current.
Table. Technical data
Type | Primary nominal RMS current IPN [ASK] | Output voltage | Supply voltage | Load resistance | Output voltage accuracy IPN, TA = 25°C | Frequency bandwidth | Response time to 90% of Ipstep |
---|---|---|---|---|---|---|---|
AT 5 B10 |
5 | 0..10Vdc | self-powered | ≥2MΩ | < +/-1.5% | 50/60 Hz | <300ms |
AT 10 B10 |
10 | ||||||
AT 20 B10 |
20 | ||||||
AT 50 B10 |
50 | ||||||
AT 100 B10 |
100 | ||||||
AT 150 B10 |
150 | ||||||
AT 5 B420L |
5 | 4..20mA | 20..30Vdc | <600 Ω @Vc=24Vdc | < 100ms | ||
AT 10 B420L |
10 | ||||||
AT 20 B420L |
20 | ||||||
AT 50 B420L |
50 | ||||||
AT 100 B420L |
100 | ||||||
AT 150 B420L |
150 |
AC Current Transducer - AP & APR Series
Split-core transducer for the electronic measurement AC sinusoidal waveform currents, with galvanic separation between the primary circuit and the secondary circuit. Switch selectable measuring ranges and rms 0-5 V and 0-10 V switch selectable voltage output.
Table. Technical data
Type | Primary nominal RMS current IPN [ASK] | Output voltage | Supply voltage | Load resistance | Output voltage accuracy IPN, TA = 25°C | Frequency bandwidth | Response time to 90% of Ipstep |
---|---|---|---|---|---|---|---|
AP 50 B10 |
10, 25, 50 | 0..10 / 0..5 Vdc | 24Vdc | ≥10 kΩ | < ± 1 % | 30 .. 2000 Hz | < 150 ms |
AP 100 B10 |
50, 75, 100 | ||||||
AP 200 B10 |
100, 150, 200 | ||||||
AP 400 B10 |
200, 300, 400 | ||||||
AP 50 B420L |
10, 25, 50 | 4..20mA | 12..24Vdc | < 350 Ω | |||
AP 100 B420L |
50, 75, 100 | ||||||
AP 200 B420L |
100, 150, 200 | ||||||
AP 400 B420L |
200, 300, 400 | ||||||
APR 50 B10 |
10, 25, 50 | 0..10 / 0..5 Vdc | 24Vdc | ≥ 10 kΩ | 30 .. 6000 Hz | < 400 ms | |
APR 100 B10 |
50, 75, 100 | ||||||
APR 200 B10 |
100, 150, 200 | ||||||
APR 400 B10 |
200, 300, 400 | ||||||
APR 50 B420L |
10, 25, 50 | 4..20mA | 12..24Vdc | < 350 Ω | |||
APR 100 B420L |
50, 75, 100 | ||||||
APR 200 B420L |
100, 150, 200 | ||||||
APR 400 B420L |
200, 300, 400 |
AC Current Transducer - AKR Series
Transducer for the electronic measurement AC waweforms current, with galvanic separation between the primary circuit and the secondary circuit. Jumper selectable ranges and True RMS 4-20 mA current output.
Table. Technical data
Type | Primary nominal RMS current IPN [ASK] | Output voltage | Supply voltage | Output voltage accuracy IPN, TA = 25°C | Frequency bandwidth | Response time to 90% of Ipstep |
---|---|---|---|---|---|---|
AKR 5 C420L |
2, 5 | 4..20mA | 24Vdc | +/-1% | 10..400 Hz | <600ms |
AKR 50C420L |
10, 20, 50 | |||||
AKR 200C420L |
100, 150, 200 |