Key Features:
Wide Input Range: Available input range from 1A to 40,000Aac.
Instantaneous & RMS Sensing: The CTHR transducers offer real-time AC wave tracking, providing both instantaneous and true RMS conversion.
Non-Intrusive Installation: Through-hole or split-core designs simplify installation and operation without the need for system shutdowns.
Isolated Output: Provides an isolated voltage or mA output for reliable signal conversion and transmission.
Fast Response: DC-150kHz bandwidth, depending on the sensor type, along with a fast step response.
Optional DC Offset Control: Nulls residual DC current for maximum output span efficiency.
Wide Voltage Operation: Supports process control voltage systems, including auxiliary AC supplies in sub-stations.
Applications:
Process Control Systems: Including PLC, SCADA, and other control systems in industries such as energy, manufacturing, and utilities.
Telecommunications: Power and current monitoring for telecom networks.
Transportation: Railway and transportation system monitoring.
DC Drives & Welding: Monitoring currents in industrial welding and motor drives.
Circuit Breaker Trip Coils: Used in protection and control systems for circuit breakers.
For all CTHR models, a NIST/NPL (UKAS) traceable calibration certificate and certificate of conformance are supplied.
Model Specifications:
CTHR Through-Hole Core Type 1:
Hole Size: 13.5mm x 10mm
Overall Size: 145mm x 95mm x 38mm
Current Ranges: 1A, 2A, 5A, 10A, 20A, 30A, 40A, 50A, 75A, 100A
Bandwidth: DC-100kHz (internal filter 1500Hz)
Connection: Supplied with 100cm cable (39″)
CTHR Through-Hole Core Type 2:
Hole Size: 24.5mm Diameter
Current Ranges: 0-5A to 0-600A
Bandwidth: DC-150kHz (internal filter 1500Hz)
Connection: Supplied with 100cm cable (39″)
CTHR Through-Hole Core Type 3 (OEM Only):
Hole Size: 3.2mm Diameter
Overall Size: 24mm x 22.2mm x 10mm
Current Ranges: 1A, 2A, 5A, 10A, 19A
Bandwidth: DC-100kHz (internal low pass filter 1500Hz)
CTHR Split Core Type 5:
Hole Size: 21mm Diameter
Overall Size: 69mm x 46mm x 22mm
Current Ranges: 20A, 30A, 40A, 50A, 100A, 200A, 300A, 400A
Bandwidth: DC-25kHz (internal filter 1500Hz)
Connection: Supplied with 100cm cable (39″)
CTHR Split Core Type 6 / Type 7:
Type 6 Hole Size: 104mm x 40mm, Current Range: 200A to 4000A
Type 7 Hole Size: 163mm x 50mm, Current Range: 500A to 4000A
Bandwidth: DC-100kHz (internal filter 1500Hz)
Connection: Supplied with 100cm cable (39″)
CTHR Type 4 Mini and CTHR Split Core Type 8 Mini:
Hole Size: 28.5mm Diameter
Overall Size: 102mm x 80mm x 19mm
Current Ranges: 100A, 200A, 300A, 400A
Bandwidth: DC-400Hz
Connection: Supplied with 8ft cable
CTHR Type 4 and CTHR Split Core Type 8:
Hole Size: 50mm Diameter
Overall Size: 127mm x 105mm x 31.75mm
Current Ranges: 200A, 300A, 400A, 500A, 800A, 1000A, 1500A, 2000A, 2500A
Bandwidth: DC-400Hz
Connection: Supplied with 8ft cable
CTHR Type 9z:
Hole Size: 115mm x 33mm Rectangular
Overall Size: 199mm x 99mm x 34mm
Current Ranges: 200A, 300A, 400A, 500A, 800A, 1000A, 1500A, 2000A, 2500A, 3000A
Bandwidth: DC-400Hz
Connection: Supplied with extended cable option
CTHR Type 8F:
Hole Size: 57mm Diameter
Overall Size: 137mm x 134mm x 42mm
Current Ranges: 200A, 300A, 400A, 500A, 800A, 1000A, 1500A, 2000A, 2500A
Bandwidth: DC-400Hz
Connection: Supplied with 8ft cable
CTHR Type 8EE:
Hole Size: 108mm Diameter
Overall Size: 184mm x 159mm x 42mm
Current Ranges: 200A, 300A, 400A, 500A, 800A, 1000A, 1500A, 2000A, 2500A, 5000A
Bandwidth: DC-400Hz
Connection: Supplied with 8ft cable
CTHR Type G:
Hole Size: 76.2mm x 165.1mm
Overall Size: 196.85mm x 304.8mm
Current Ranges: 1000A, 2000A, 3000A, 4000A, 5000A, 6000A
Bandwidth: DC-400Hz
Connection: Supplied with 8ft cable
CTHR Split Core Type 10:
Hole Size: 140mm x 203mm
Overall Size: 254mm x 350mm
Current Ranges: 5000A, 6000A, 7000A, 8000A, 9000A, 10000A, 15000A, 20000A
Bandwidth: DC-1kHz
Connection: Supplied with 8ft cable
CTHR Split Core Type 11:
Hole Size: 330mm x 330mm
Overall Size: 534mm x 534mm
Current Ranges: 25000A, 30000A, 35000A, 40000A
Bandwidth: DC-1kHz
Connection: Supplied with 8ft cable
CTHR General Specifications:
Input Current Ranges: From 1A to 40,000Aac.
Output Options: 0-100mV, 0-1V, 0-5V, 0-10V, 4-20mA, 4-12-20mA (bipolar/unipolar).
Power Input: 5Vdc / 12Vdc / 24Vdc / 48Vdc / 110Vdc / 125Vdc / 230Vac.
Accuracy: ±0.5% for non-split core, ±1% for split core models.
Operating Temperature: -20°C to +65°C, extended range models available.
Insulation: 2.5kVpk to 5kVpk (model dependent).
Frequency Response: DC-150kHz for Type 1 & 2, DC-10kHz for split-core models.
Approvals: CE Marked, UL/CSA-rated materials, EN61010 Cat II, IEC348.
Warranty: 2-year manufacturer warranty.
For energy management, power quality monitoring, and current sensing across various industries, CTHR AC Current Sensors and Transducers provide an accurate, reliable, and flexible solution.