Earth Leakage Current Sensors
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CTB 210, 210mm Diameter CTB Series Core Balanced/Toroid CT (CBCT) for AC Earth Leakage Detection, for RCR Series Hobut Core balanced CT’s
Hobut CTB 210, 210Amp Measurement Core Balanced/Toroid CT's (CBCT) for AC Earth Leakage Detection Features Very low differential current measurement Applications Earth Leakage Specification Hobut Part Number CTB 210 Technology Core Balanced/Toroid (CBCT) Aperture Size 210mm Sizes Isolation 3kV (AC, 50Hz, 1 min) Bandwidth 50-60Hz Mounting Style Panel Mount Operating Temperature Range -15°C / 55°C Termination Style Maximum 2.5mm stranded or 4mm solid conductors Factory Pack Qty 3 Datasheet Product Datasheet Application Notes RCR-V30 Installation Guide
$386.00
$455.48 inclGST -
CTB 35, 35mm Diameter CTB Series Core Balanced/Toroid CT (CBCT) for AC Earth Leakage Detection, for RCR Series Hobut Core balanced CT’s
Hobut CTB 35, 35Amp Measurement Core Balanced/Toroid CT's (CBCT) for AC Earth Leakage Detection Features Very low differential current measurement Applications Earth Leakage Specification Hobut Part Number CTB 35 Technology Core Balanced/Toroid (CBCT) Aperture Size 35mm Sizes Isolation 3kV (AC, 50Hz, 1 min) Bandwidth 50-60Hz Mounting Style Panel Mount Operating Temperature Range -15°C / 55°C Termination Style Maximum 2.5mm stranded or 4mm solid conductors Factory Pack Qty 3 Datasheet Product Datasheet Application Notes RCR-V30 Installation Guide
$50.50
$59.59 inclGST -
CTSR 0.3-P, C/L Hall Effect Current Transducer,Ipn = 300mA, 20.1mm round aperture, 2.5Vref out, 5VDC supply, X = 1.9%
CTSR 0.3-P, C/L Hall Effect Earth Leakage Current Sensor, 300mA Features DC & AC earth leakage current transducer using a flux-gate principle PCB mounting ±15V power supply ±5V output @ IPN Isolated plastic case recognized according to UL94-V0. Advantages Small size Wide Aperture Bandwidth : DC and 3.5 kHz Response time better than 50 ms Cost effective, compact alternative to classical RCDs (Residual Current Device) Applications Earth leakage detection in transformerless solar inverters 1st human contact protection of PV arrays Failure detection in power sources Symmetrical fault detection (e.g. after motor inverter) Current leakage detection in stacked DC sources Single phase or three phase differential current measurement up to ±30A per wire (DC or AC) Application Domains Industrial Specification LEM Part Number CTSR 0.3-P Technology Closed Loop Hall Effect ROHS Yes Supply Voltage +/-15VDC Load Current (RMS + DC) 300mA Output 2.5Vref Isolation 5.4kV Bandwidth DC-3.5kHz Mounting Style PCB Mount Operating Temperature Range -40°C / 105°C Accuracy 1% Aperture ø 20.1mm Unit Weight 28g Factory Pack Qty 10 Datasheet Product Datasheet
$85.30
$100.65 inclGST -
Last stock! 
CTBR280-800A, Square Style Core Balanced CT's (CBCT) 100 x 280mm Internal Diameter
Hobut CTBR280-800A, Square Style Core Balanced CT's (CBCT) 100 x 280mm Internal Diameter Features Very low differential current measurement Applications Earth Leakage Specification Hobut Part Number CTBR280-800A Technology Core balanced (CBCT) Aperture Size CTBR280-800A->100 x 280(290)mm Isolation 3kV (AC, 50Hz, 1 min) Bandwidth 50-60Hz Mounting Style Panel Mount Operating Temperature Range -15°C / 55°C Termination Style Maximum 2.5mm stranded or 4mm solid conductors Factory Pack Qty 3 Datasheet Product Datasheet Application Notes RCR-V30 Installation Guide
$1,185.50
$1,398.89 inclGST -
CTB 160, 160mm Diameter CTB Series Core Balanced/Toroid CT (CBCT) for AC Earth Leakage Detection, for RCR Series Hobut Core balanced CT’s
Hobut CTB 160, 160Amp Measurement Core Balanced/Toroid CT's (CBCT) for AC Earth Leakage Detection Features Very low differential current measurement Applications Earth Leakage Specification Hobut Part Number CTB 160 Technology Core Balanced/Toroid (CBCT) Aperture Size 160mm Sizes Isolation 3kV (AC, 50Hz, 1 min) Bandwidth 50-60Hz Mounting Style Panel Mount Operating Temperature Range -15°C / 55°C Termination Style Maximum 2.5mm stranded or 4mm solid conductors Factory Pack Qty 3 Datasheet Product Datasheet Application Notes RCR-V30 Installation Guide
$226.00
$266.68 inclGST -
CTB 120, 120mm Diameter CTB Series Core Balanced/Toroid CT (CBCT) for AC Earth Leakage Detection, for RCR Series Hobut Core balanced CT’s
Hobut CTB 35, 35Amp Measurement Core Balanced/Toroid CT's (CBCT) for AC Earth Leakage Detection Features Very low differential current measurement Applications Earth Leakage Specification Hobut Part Number CTB 120 Technology Core Balanced/Toroid (CBCT) Aperture Size 120mm Sizes Isolation 3kV (AC, 50Hz, 1 min) Bandwidth 50-60Hz Mounting Style Panel Mount Operating Temperature Range -15°C / 55°C Termination Style Maximum 2.5mm stranded or 4mm solid conductors Factory Pack Qty 3 Datasheet Product Datasheet Application Notes RCR-V30 Installation Guide
$168.00
$198.24 inclGST -
CTB 70, 70mm Diameter CTB Series Core Balanced/Toroid CT (CBCT) for AC Earth Leakage Detection, for RCR Series Hobut Core balanced CT’s
Hobut CTB 70, 70Amp Measurement Core Balanced/Toroid CT's (CBCT) for AC Earth Leakage Detection Features Very low differential current measurement Applications Earth Leakage Specification Hobut Part Number CTB 70 Technology Core Balanced/Toroid (CBCT) Aperture Size 70mm Sizes Isolation 3kV (AC, 50Hz, 1 min) Bandwidth 50-60Hz Mounting Style Panel Mount Operating Temperature Range -15°C / 55°C Termination Style Maximum 2.5mm stranded or 4mm solid conductors Factory Pack Qty 3 Datasheet Product Datasheet Application Notes RCR-V30 Installation Guide
$89.00
$105.02 inclGST -
CTB 50, 50mm Diameter CTB Series Core Balanced/Toroid CT (CBCT) for AC Earth Leakage Detection, for RCR Series Hobut Core balanced CT’s
Hobut CTB 50, 50Amp Measurement Core Balanced/Toroid CT's (CBCT) for AC Earth Leakage Detection Features Very low differential current measurement Applications Earth Leakage Specification Hobut Part Number CTB 50 Technology Core Balanced/Toroid (CBCT) Aperture Size 50mm Sizes Isolation 3kV (AC, 50Hz, 1 min) Bandwidth 50-60Hz Mounting Style Panel Mount Operating Temperature Range -15°C / 55°C Termination Style Maximum 2.5mm stranded or 4mm solid conductors Factory Pack Qty 3 Datasheet Product Datasheet Application Notes RCR-V30 Installation Guide
$72.00
$84.96 inclGST -
K2210, Round Style Core Balanced Toroidal CT's, 210m Aperture, 271x75mm Aperture
Hobut CTBR470, Square Style Core Balanced Toroidal CT's (CBCT), 160x470mm Internal Diameter Features Very low differential current measurement Applications Earth Leakage Specification Northern Design Part Number K2210 500mA - 10 Amp Technology Core balanced (CBCT) Aperture Size 210m Aperture, 271x75mm Aperture Isolation 3kV (AC, 50Hz, 1 min) Bandwidth 50-60Hz Mounting Style Panel Mount Operating Temperature Range -15°C / 55°C Termination Style Maximum 2.5mm stranded or 4mm solid conductors Factory Pack Qty 3 Datasheet Product Datasheet Application Notes RCR-V30 Installation Guide
$1,065.00
$1,256.70 inclGST -
CTBR470, Square Style Core Balanced Toroidal CT's, 160x470mm Internal Diameter
Hobut CTBR470, Square Style Core Balanced Toroidal CT's (CBCT), 160x470mm Internal Diameter Features Very low differential current measurement Applications Earth Leakage Specification Hobut Part Number CTBR470 Technology Core balanced (CBCT) Aperture Size CTBR470->160x470mm Isolation 3kV (AC, 50Hz, 1 min) Bandwidth 50-60Hz Mounting Style Panel Mount Operating Temperature Range -15°C / 55°C Termination Style Maximum 2.5mm stranded or 4mm solid conductors Factory Pack Qty 3 Datasheet Product Datasheet Application Notes RCR-V30 Installation Guide
$992.00
$1,170.56 inclGST -
Last stock!
CTBR280-2000A, Square Style Core Balanced CT's (CBCT) 100 x 280mm Internal Diameter
Hobut CTBR280-2000A, Square Style Core Balanced CT's (CBCT) 100 x 280mm Internal Diameter Features Very low differential current measurement Applications Earth Leakage Specification Hobut Part Number CTBR280-2000A Technology Core balanced (CBCT) Aperture Size CTBR280-2000A->100 x 280(290)mm Isolation 3kV (AC, 50Hz, 1 min) Bandwidth 50-60Hz Mounting Style Panel Mount Operating Temperature Range -15°C / 55°C Termination Style Maximum 2.5mm stranded or 4mm solid conductors Factory Pack Qty 3 Datasheet Product Datasheet Application Notes RCR-V30 Installation Guide
$1,185.50
$1,398.89 inclGST -
CTBR350-001, Square Style Core Balanced Toroidal CT's (CBCT), 150x350mm Internal Diameter
Hobut CTBR350-001, Square Style Core Balanced Toroidal CT's (CBCT), 150x350mm Internal Diameter Features Very low differential current measurement Applications Earth Leakage Specification Hobut Part Number CTBR350-001 Technology Core balanced (CBCT) Aperture Size CTBR350-001 ->150x350mm Isolation 3kV (AC, 50Hz, 1 min) Bandwidth 50-60Hz Mounting Style Panel Mount Operating Temperature Range -15°C / 55°C Termination Style Maximum 2.5mm stranded or 4mm solid conductors Factory Pack Qty 3 Datasheet Product Datasheet Application Notes RCR-V30 Installation Guide
$834.00
$984.12 inclGST
