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Gen6 Passive Component Setup

Vref

3.000V

CT Current Transformers

Sensor

Range
(Rms Amps)

Burden Resistor
RD1 (Ω)

Calibration Coefficient
(theoretical)

SCT-019-000 (200A/33mA)

200A

30 Ω

200.0

SCT-013-000 (100A/50mA)

100A

20 Ω

100.0

50A

39 Ω

51.282

SCT-006 (20A/25mA)

20A

39 Ω

20.513

SCT-024 400A:100mA

400A

10 Ω

400.0

SCT-031 600:100mA

600A

10 Ω

600.0

any 1V output CT

e.g. 30A

e.g. 30.0

AC Voltage

All voltage reported as RMS value in the table below.

Sensor

Range
@ sensor input

Range
@ board input

RD1 (Ω)

RD2(Ω)

Gain Resistor
RF (Ω)

Gain Resistor
RG (Ω)

Calibration Coefficient
(theoretical)

Ac/AC Transformers

(EU) 77DE-06-09

360V

18V

75kΩ

4.7kΩ

0

339.0

(UK) 77DB-06-09

372V

18V

75kΩ

4.7kΩ

0

351.0

(US) 77DA-10-09

180V

18V

75kΩ

4.7kΩ

0

170.0

TV30GB

2700V

18V

75kΩ

4.7kΩ

0

2544.0

ZMPT Modules

ZMPT_1X_280

290V

0.15V

53.6kΩ

10kΩ

314.5

ZMPT_1X_140

145V

0.15V

53.6kΩ

10kΩ

157.2

See Also

Burden Resistor calculation