Clamp-on current transformer 2000 A

The CLOU clamp-on CT is designed to expand the measurement capabilities of CLOU calibrators like RS350 in industrial and power environments to measurements up to 2000 A + 20 %. The CT is rated for 600 V ac circuits of Measurement Category III, Pollution Degree 2, per EN/IEC 61010-1 and EN/IEC 61010-2-032.

clamp-on CT 2000 A
clamp-on CT 2000 A


The accuracy classes are related to apparent power. The given accuracy classes are including the internal RS350 error.

RangecurrentAccuracy class
2000 Abetween 2400 A and 600 A0.1
500 Abetween 600 A and 120 A0.2
100 ABetween 120 A and 24 A0.3
20 ABetween 24 A and 2 A0.5
Mechanical parameters
Can be uses for wiring diametersup to ⌀ 50 mm
Max. Jaw opening75 mm
Dimensions116 mm x 327 mm x 35 mm
Weight550 g
MaterialPC + ABS + Polycarbonate, UL94 V0
Electrical parameters
Primary current0 – 2400 A AC
Max. continuous input current2400 A
Ratio4000 : 1
load capacity≤ 4 Ω
Over voltage categoryCAT III 600 V
Frequency range40 Hz – 3800 Hz
Dielectric strength3 kV 50 Hz / 60 Hz for 1 minute
Temperature range-20 °C – +55 °C
Output2 m cable with connector for RS350
Max. voltage not insulated conductors600 V
Compliant with StandardsEN/IEC 61010-1, EN/IEC 61010-2-032, IEC60044-1

Published by

Lao Ren

more than 30 years experience in energy metering Product Director Shenzhen CLOU Electronics