RCT系列罗氏线圈作为替代传感器电流互感器的高性价比工业级罗氏线圈,具有传统电流互感器无法比拟的优越性。RCT罗氏线圈更加方便的固定安装,体积重量更小,没有空载损坏风险,多种输出信号类型可选,具有更高的测试精度和更宽的实际测量带宽。RCT可用于电力以及长期固定位置的电流质量监测。

RCT罗氏线圈根据电流传感器的输出类型分为:RCTiRCTi3phRCTrmsRCTrms-3ph,以及RCT1A五个系列。

RCTi: 输出实时电压信号,最大量程50KA,最高1MHz带宽。

RCTi3ph: 3通道,输出实时电压信号,最大量程50KA,最高1MHz带宽。

RCTrms:  4-20mA有效值输出,最大量程50KA,最高100 KHz带宽。

RCTrms-3ph: 3通道,4-20mA有效值输出,最大量程50KA,最高100 KHz带宽。。

RCT1A: 输出1A电流信号,替换传统CT,接入电能表/电流表。

RCTi 罗氏线圈系列 是输出实时电压信号的经济型单通道罗氏线圈,可与功率分析仪,示波器,电流表,数据记录仪,录播仪,数据采集卡等设备配合使用。

Rated current (rms) 250A              2500A              16000A
500A              3000A              20000A
800A              4000A              25000A
1000A            5000A              30000A
1600A            8000A              40000A
2000A            10000A            50000A
Rated output (Full scale FS) 5.0Vrms (±7.07V peak)
Output limit 150% FS (±10.6V peak)
Supply voltage (Wide input) 12Vdc (-10%) to 24Vdc (+20%)
Max. Input power 0.4W
Operating temperature range – 5 ℃ to +65 ℃ (Integrator electronics)
– 20 ℃ to +80 ℃ (Coil and cable)
Bandwidth (-3dB)   (<2000A) 0.6Hz to 1MHz (300mm) 600kHz (700mm)
Bandwidth (-3dB)   ( 2000A) 0.2Hz to 1MHz (300mm) 600kHz (700mm)
Phase shift @50Hz  (<2000A) 0.9±0.1 degrees
Phase shift @50Hz  ( 2000A) 0.4±0.1 degrees
Accuracy (typ.) 1.0% of reading
(5% to 150% FS, 25 ℃)
Output load > 10.0k
Coil Length 300mm, 500mm or 700mm Custom lengths available
Cable Length
(coil to electronics)
1m or 2.5m
Custom lengths available

RCTi3ph 罗氏线圈系列 是输出实时电压信号的经济型三通道罗氏线圈,与RCTi单通道相比,RCTi3ph可以同时监测3个独立通道电流信号,常用于三相电流的监测与测量。

Rated current (rms) 250A              2500A              16000A
500A              3000A              20000A
800A              4000A              25000A
1000A            5000A              30000A
1600A            8000A              40000A
2000A            10000A            50000A
Rated output (Full scale FS) 5.0Vrms (±7.07V peak)
Output limit 150% FS (±10.6V peak)
Supply voltage (Wide input) 12Vdc (-10%) to 24Vdc (+20%)
Max. Input power 1.2 W
Operating temperature range – 5 ℃ to +65 ℃ (Integrator electronics)
– 20 ℃ to +80 ℃ (Coil and cable)
Bandwidth (-3dB)   (<2000A) 0.6Hz to 1MHz (300mm) 600kHz (700mm)
Bandwidth (-3dB)   ( 2000A) 0.2Hz to 1MHz (300mm) 600kHz (700mm)
Phase shift @50Hz  (<2000A) 0.9±0.1 degrees
Phase shift @50Hz  ( 2000A) 0.4±0.1 degrees
Accuracy (typ.) 1.0% of reading
(5% to 150% FS, 25 ℃)
Output load > 10.0k
Coil Length 300mm, 500mm or 700mm Custom lengths available
Cable Length
(coil to electronics)
1m or 2.5m
Custom lengths available

RCTrms 罗氏线圈系列 是用于测量单通道电流的有效值,其输出为4-20mA的电流信号。通常与PLC,SCADA,数据记录仪,状态警告,控制保护设备配合使用。

Rated current (rms) 100A              2000A              10000A
250A              2500A              16000A
500A              3000A              20000A
800A            4000A              25000A
1000A            5000A              40000A
1600A            8000A            50000A
Rated output (Full scale FS) 4 – 20 mA
Output limit 150% FS ( 28 mA )
Supply voltage (Wide input) 12Vdc (-10%) to 24Vdc (+20%)
Max. Input power 0.7 W (额定输出)
Operating temperature range – 5 ℃to +65 ℃ (Integrator electronics)
– 20 ℃ to +80 ℃ (Coil and cable)
Bandwidth (-3dB)   (<2000A) 2 Hz to 100 KHz
Max. Response time(10% – 90%) 1000 ms
Accuracy (typ.) 1.5% of reading
(10% to 150% FS, 25  ℃)
Output load <  300 Ω
Coil Length 300mm, 500mm or 700mm, Custom lengths available
Cable Length
(coil to electronics)
1m or 2.5m
Custom lengths available

RCTrms-3ph 罗氏线圈系列 是三通道的罗氏线圈,输出为4-20mA的电流信号,可用于测量三相电流的有效值。通常与PLC,SCADA,数据记录仪,状态警告,控制保护设备配合使用。

Rated current (rms) 100A              2000A              10000A
250A              2500A              16000A
500A              3000A              20000A
800A            4000A              25000A
1000A            5000A              40000A
1600A            8000A            50000A
Rated output (Full scale FS) 4 – 20 mA (0 – 5V 可选)
Output limit 150% FS ( 28 mA ,或者7.5V)
Supply voltage (Wide input) 12Vdc (-10%) to 24Vdc (+20%)
Max. Input power 2.1 W (额定输出)
Operating temperature range – 5 ℃to +65 ℃ (Integrator electronics)
– 20 ℃ to +80 ℃ (Coil and cable)
Bandwidth (-3dB)   (<2000A) 2 Hz to 100 KHz
Max. Response time(10% – 90%) 1000 ms
Accuracy (typ.) 1% of reading(0 – 5 V)
1.5% of reading(4 – 20 mA)
(10% to 150% FS, 25  ℃)
Output load <  300 Ω (4 – 20 mA Output)
>1KΩ (0 – 5 V Output)
Coil Length 300mm, 500mm or 700mm, Custom lengths available
Cable Length
(coil to electronics)
1m or 2.5m
Custom lengths available

RCT1A 罗氏线圈系列 可直接替换传统的电流互感器,其额定输出1A,可直接匹配功率表,电能表,电流表。且RCT1A属于罗氏线圈,具有使用方便,精度更高,没有磁饱和,没有次级回路开路的危险等优点。

Rated current (rms) 500A              3000A              20000A
800A              4000A              25000A
1000A            5000A              30000A
1600A            8000A              40000A
2000A            10000A             50000A
2500A            16000A
Rated output (Full scale FS) 1A rms
Output limit 150% FS (±1.2A rms)
Supply voltage (Wide input) 24 Vdc (+/-20%)
Max. Input power 13 W (5 Ω负载)
3.5W (1.25 Ω负载)
Operating temperature range – 5 ℃ to +40 ℃ (Integrator electronics)
– 20 ℃ to +80 ℃ (Coil and cable)
Bandwidth (-3dB) 0.6Hz to 5 KHz
Phase shift @50Hz < 0.5 degrees
Accuracy (typ.) 1.0% of reading
(20% to 120% FS, 25℃)
Output load 1.25 Ω – 5 Ω
Coil Length 300mm, 500mm or 700mm Custom lengths available
Cable Length
(coil to electronics)
1m or 2.5m
Custom lengths available