Best Nodehawk in 2026

Last Updated: Sep 27, 2023

At a Glance: Our Top Picks

Current Transmitter, FCS521-SD-420E Current Transducer Transmitter Transformer Sensor AC Current Converter 0-50A
#TOP1
Current Transmitter, Fcs521-Sd-420E Current Transducer Transmitter Transformer Sensor
5.1
PM SCORE
DC Digital Display Induction Switch Transformer Sensitive Relay Current Overload Protector Alarm 8-30V(D05)
#TOP2
Dc Digital Display Induction Switch Transformer Sensitive Relay
5.1
PM SCORE
Current Sensing Relay AC Current Sensing Switch 0-30A Normally Closed Current Sensor Monitoring Relay (N30)
#TOP3
Current Sensing Relay Ac Current Sensing Switch 0-30A
4.6
PM SCORE

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Summary of the best Nodehawk of 2026

Market Overview
Nodehawk Reviewed
  • Reviews Analyzed: 13 Items
  • PM Avg. Rating: 3.0 / 10
15 Products Evaluated
  • Highest Price: $210.40
  • Lowest Price: $23.30
  • Avg. Price: $70.28

Current Transmitter, Fcs521-Sd-420E Current Transducer Transmitter Transformer Sensor Ac Current Converter 0-50A

NODEHAWK
3395597999446
3.54 X 0.98 X 2.40 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Nodehawk 5.70

Features

Mutual inductance current monitoring, high current detection accuracy, stable performance, safe isolation of input and output.Magnetic hysteresis less than 1%, can be used in strong magnetic field conditions.

The measured current AC: 0-10A / 20A / 50A can be selected.Output signal DC: 0-5V / 0-10V /4-20mA three forms are available.

Installation and using are easy and convenient, there is no need to connect the dc series into the circuit during measurement.Through-heart structure design, isolation withstand voltage up to 2000V AC.

The outer casing is made of self-extinguishing material, safe and durable.It is used for AC current monitoring, detection, current overload protection, and is also used as an electronic switch for automatic control systems.

It is suitable for various applications requiring current and voltage conversion.It has the characteristics of strong overload ability, high precision, high isolation, high security, low power consumption and strong anti-interference ability.

Dc Digital Display Induction Switch Transformer Sensitive Relay Current Overload Protector Alarm 8-30V(D05)

NODEHAWK
3395597999880
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Functional instrument 4.95

Features

Stable:D05 220V input voltage, 0.3-50A measurement range, it has stable performance.

Safe protection:Current overload protection, monitors whether the equipment is working normally, and there is no current to the switch signal.

Function:Used for the measurement and display of a single current in the electrical circuit, and can be equipped with a relay alarm output.

Adjustable:The upper and lower limit alarm, alarm delay, and alarm return difference can be set, meet your different needs.

More practical:with rails,It has realtime current monitoring and alarm output functions, which has strong practicality.

Current Sensing Relay Ac Current Sensing Switch 0-30A Normally Closed Current Sensor Monitoring Relay (N30)

NODEHAWK
3395597999736
2.55 X 0.98 X 1.85 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Nodehawk 5.80

Features

Universal Outputs: Input through current: 0.2-30A AC Rated load: 0.3A@240V AC/DC.

Accurate & Dependable: Offers a sensing range of 0.2 to 30 amps and universal, solid-state outputs; Accuracy: 1%

Faster Response Time: Once current flow is detected, it closes a set of contacts immidiately; Response Time: ≤200ms

Mutual inductance current monitoring,security isolatino of input and output,Self-powered,adjustable with a potentiometer.LED indicator can conveniently and intuitively indicate the working status of the switch.

Normally open current sensor:Suitable for AC current measurement and monitoring, AC motor overload protection, electronic switch of automatic control system and so on.

Current Sensing Relay Ac Current Sensing Switch 0-30A Normally Closed Current Sensor Monitoring Relay (Nc30)

NODEHAWK
3395597999798
2.55 X 0.98 X 1.85 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Nodehawk 5.80

Features

Universal Outputs: Input through current: 0.2-30A AC Rated load: 0.3A@240V AC/DC.

Accurate & Dependable: Offers a sensing range of 0.2 to 30 amps and universal, solid-state outputs; Accuracy: 1%

Faster Response Time: Once current flow is detected, it closes a set of contacts immidiately; Response Time: ≤200ms

Mutual inductance current monitoring,security isolatino of input and output,Self-powered,adjustable with a potentiometer.LED indicator can conveniently and intuitively indicate the working status of the switch.

Normally Closed current sensor:Suitable for AC current measurement and monitoring, AC motor overload protection, electronic switch of automatic control system and so on.

Current Transmitter, Fcs521-Sd-420E Current Transducer Transmitter Transformer Sensor Ac Current Converter 0-50A

NODEHAWK
3395597999446
3.54 X 0.98 X 2.40 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Nodehawk 5.70

Features

Mutual inductance current monitoring, high current detection accuracy, stable performance, safe isolation of input and output.Magnetic hysteresis less than 1%, can be used in strong magnetic field conditions.

The measured current AC: 0-10A / 20A / 50A can be selected.Output signal DC: 0-5V / 0-10V /4-20mA three forms are available.

Installation and using are easy and convenient, there is no need to connect the dc series into the circuit during measurement.Through-heart structure design, isolation withstand voltage up to 2000V AC.

The outer casing is made of self-extinguishing material, safe and durable.It is used for AC current monitoring, detection, current overload protection, and is also used as an electronic switch for automatic control systems.

It is suitable for various applications requiring current and voltage conversion.It has the characteristics of strong overload ability, high precision, high isolation, high security, low power consumption and strong anti-interference ability.

Loulensy Ac Current Transducer Sensor Split Core Transformer 0-10A,20A,50A Output 4-20Ma Ul&Csa,Ce&Rohs

LOULENSY
FCS521-SP-420E
2.76 X 1.10 X 3.50 Inches
0.33 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Loulensy 5.55

Features

Input:0-10A,20A,50A AC(With 3 input ranges meanwhile,selected with stick jumper)

Load Capacity:2 times current continuous

Enclosure Rating:UL,94 V-O flammability rated,ABS plastic housing

Certification:UL&CSA,CE&Rohs Listed

Output:4-20mA DC (Analog Signal)

Power Supply: 12-42V DC

Accurracy: 1%

Dimension:89*70*30mm (L*W*H)

Hole Diameter:20mm

Operating Temperature:-30 to +70 degrees Centigrade

Operating Humidity:0-95%(non-condensing)

Frequency:40-400Hz

Ac Current Transmitter Walfront Ac Current Transducer Overload Protector Input Ac 0-200A Output Dc 0-10V Szt20-Ch-10V No Power Required

WALFRONT
WAL FRONTQ5XE3WZ8P2
3.54 X 2.56 X 0.98 Inches
0.24 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
nineone 9.66

Features

☛ CURRENT MONITORING -- Mutual inductance current monitoring has high current detection accuracy and safe isolation of input and output.

☛ MEASURE CURRENT RANGE -- Self-powered, no external power supply required. Measured current AC 0-100/150/200A, output signal DC 0-10V.

☛ STRAIGHT-THROUGH DESIGN -- Straight-through structure design, isolation withstand voltage up to 2000V. Straight-through wire diameter: 0.35-20mm.

☛ ABS OUTER CASTING -- Hysteresis is less than 1% and can be used under strong magnetic conditions. The outer casing is made of self-extinguishing material ABS.

☛ WIDE APPLICATION -- Suitable for AC current measurement and monitoring, AC motor overload protection, electronic switch of automatic control system and so on.

High Accuracy Ac Current Transducer Transmitter Ac 0-50A To Dc 0-10V Szt15-Ch-10V Self-Powered Current Mutual Inductor

WALFRONT
WALFRONTEX96S3AM0G
3.54 X 2.56 X 0.98 Inches
0.24 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Perfurt 9.70

Features

High accuracy: Mutual inductance current monitoring has high current detection accuracy and safe isolation of input and output.

Self-powered: there is no external power supply required.

Easy to install: There is no need to connect DC into the circuit when measuring.

Current introduction: Measured current AC 0-10/20/50A, output signal DC 0-10V.

Straight-through structure design: The isolation withstand voltage is up to 2000V.

Loulensy Ac Current Transducer Sensor Split Core Transformer 0-10A,20A,50A Output 4-20Ma Rms Ul&Csa,Ce&Rohs

LOULENSY
FCS521-SP-420T
2.76 X 1.10 X 3.50 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Loulensy 5.55

Features

Input:0-10A,20A,50A AC(With 3 input ranges meanwhile,selected with stick jumper)

Load Capacity:2 times current continuous

Enclosure Rating:UL,94 V-O flammability rated,ABS plastic housing

Certification:UL&CSA,CE&Rohs Listed

Output:4-20mA DC (Analog Signal) RMS

Power Supply: 12-42V DC

Accurracy: 1%

Dimension:89*70*31mm (L*W*H)

Hole Diameter:20mm

Operating Temperature:-30 to +70 degrees Centigrade

Operating Humidity:0-95%(non-condensing)

Frequency:40-400Hz

Loulensy Ac Current Transducer Sensor Split Core Transformer 0-10A,20A,50A Output 0-5V Ul&Csa,Ce&Rohs

LOULENSY
FCS521-SP-5V
2.76 X 1.10 X 3.50 Inches
0.33 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Loulensy 5.55

Features

Input:0-10A,20A,50A AC(With 3 input ranges meanwhile,selected with stick jumper)

Load Capacity:2 times current continuous

Enclosure Rating:UL,94 V-O flammability rated,ABS plastic housing

Certification:UL&CSA,CE&Rohs Listed

Output:0-5V DC (Analog Signal)

Power Supply: None/Self-powered

Accurracy: 1%

Dimension:89*70*28mm (L*W*H)

Hole Diameter:20mm

Operating Temperature:-30 to +70 degrees Centigrade

Operating Humidity:0-95%(non-condensing)

Frequency:40-400Hz

Cr Magnetics Cr4110-50 True Rms Ac Current Transducer With Single Element, 20 Hz - 4 Khz, >= 2K Output Load, 24 Vdc +/- 10%, 0-50 Aac Input Range, 0 - 5 Vdc Output Range

CR MAGNETICS
CR4110-50
4.30 X 4.00 X 1.70 Inches
0.30 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

True RMS measurement for distorted alternating current waveforms

0.5% accuracy

Response time of 250 ms (10-90% step change)

DIN rail or panel mounting options

UL Recognized and CE certified for quality assurance

Loulensy Dc Current Transmitter Transformer Transducer Split Core Input 0-100A Dc Output 4-20Ma Dc

LOULENSY
LDS100-SP-420E
1.89 X 0.63 X 1.57 Inches
0.33 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Loulensy 5.55

Features

Input:0-100A DC

Output:4-20mA DC

Power Supply:24V DC +/-15%(If you need other power such as 12V,contact us)

Hole Diameter:21mm

Accurracy: 1% F.S

Customerised Max Ranges:0-500A dc,e.g. calibrate Input 0-250A dc Output 0-10V

Split Core,convenient to apply in firm circuit

Response Time:<10 uS

Offset Voltage:=/<20mV

Power Consumption:=/< 30mA

Flame Retardancy:UL94-V0

Load Capacity:2 times current continuous,30 times 1 second

Current Transmitter, Szt20-Ch-420E Current Transducer Transmitter Transformer Sensor Ac Current Converter 0-200A

EUJGOOV
WAL FRONTCUR4FW31YM
1.97 X 1.97 X 0.79 Inches
0.24 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Ciapsd8 5.16

Features

Mutual inductance current monitoring, high current detection accuracy, stable performance, safe isolation of input and output.Magnetic hysteresis less than 1%, can be used in strong magnetic field conditions.

The measured current AC: 0-10A / 20A / 50A, 0-100A / 150A / 200A can be selected.Output signal DC: 0-5V / 0-10V /4-20mA three forms are available.

Installation and using are easy and convenient, there is no need to connect the dc series into the circuit during measurement.Through-heart structure design, isolation withstand voltage up to 2000V AC.

The outer casing is made of self-extinguishing material, safe and durable.It is used for AC current monitoring, detection, current overload protection, and is also used as an electronic switch for automatic control systems.

It is suitable for various applications requiring current and voltage conversion.It has the characteristics of strong overload ability, high precision, high isolation, high security, low power consumption and strong anti-interference ability.

Johnson Controls Ctd-C1G00-1 Current Transducer Device, Split/Clamped Core Type, 30/60/120 A Multi Range, 4 To 20 Ma Output Signal

JOHNSON CONTROLS
CTD-C1G00-1
4.00 X 4.00 X 1.60 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Clamped/split core design - reduces installation time and associated costs

Slide switch, selectable amperage ranges - provides a wide array of amperage ranges to match the application

Multiple outputs: 4 to 20 mA, 0 to 5 VDC, or 0 to 10 VDC - provide the appropriate output for the specific application

Snap-on power relay - provides an easy way to add an external relay to the current sensor

Relay (optional) LED indication Off/On status - allows you to easily check the relay's on/off status

Loulensy 3-Phase Ac Current Sensor Transducer Transformer Transmitter With 3 Element 0-50A Ac Output 4-20Ma Dc

LOULENSY
AS050-SD-420E-3P
4.72 X 1.97 X 2.22 Inches
0.33 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Loulensy 5.55

Features

Input:0-50A AC(3 elements)

Offset Voltage: =/<10mV

Capacity Max:0-400A AC (is_Customerized,e.g.Input:0-280A with Output 0-20mA DC)

Working Environment:-10 to +70 degrees Centigrade,20%-90% without condensation

Storage Environment:-25 to +85 degress Centigrade,20%-95% without condensation

Output:4-20mA DC(3 elements)

Power Supply:24V DC +/-15%(if you need 15V or 12V,contact us)

Hole Diameter:20mm

Dimension:120*50*56.5mm (L*W*H)

Accurracy: 0.5%

Response Time:250mS

Load Capacity: 30 times current continuous

Isolation Withstanding Voltage:AC 3.0KV/min

Ac Current Transmitter, Szt20-Ch-420E Current Transducer Transmitter Transformer Sensor Ac Current Converter 0-200A For Ac Current Monitoring, Detection, Current Overload Protection

WAL FRONT
WALFRONTD2OCHW3M59
1.97 X 1.97 X 0.79 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
hotzzz 9.72

Features

USES: SZT20-CH-420E AC current sensor can measure the AC current in the grid or circuit in real time and convert it to 0-5V / 0-10V or 4-20mA DC current output signal.

VERSATILE: It can be combined with various AD to form a variety of digital centralized acquisition systems. Or output to the PLC to form an automatic control system, or match the traditional analog and digital indicating instruments, display the measured values.

EXCELLENT ATTRIBUTES: mutual current monitoring, high current detection accuracy, stable performance, safe isolation of input and output.

HIGH PRECISION: The product has a hysteresis of less than 1% and can be used in strong magnetic field conditions.

ADVANTAGES: It has the characteristics of strong overlapping ability, high precision, high isolation, high safety, low power consumption and strong anti-interference ability.

Johnson Controls Ctd-C2G00-1 Current Transducer Device, Split/Clamped Core Type, 30/60/120 A Multi Range, 0 To 5 Vdc Output Signal

JOHNSON CONTROLS
CTD-C2G00-1
3.80 X 3.50 X 1.50 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Clamped/split core design - reduces installation time and associated costs

Slide switch, selectable amperage ranges - provides a wide array of amperage ranges to match the application

Multiple outputs: 4 to 20 mA, 0 to 5 VDC, or 0 to 10 VDC - provide the appropriate output for the specific application

Snap-on power relay - provides an easy way to add an external relay to the current sensor

Relay (optional) LED indication Off/On status - allows you to easily check the relay's on/off status

Cr Magnetics Cr5210-100 Dc Current Transducer With Single Element, Dc, >=2K Output Load, 24 Vdc +/-10%, 0-100 Adc Input Range, +/-5 Vdc Output Range

CR MAGNETICS
CR5210-100
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Magnetic modulator measurement for direct currents

1.0% accuracy

Response time of 250 ms (10-90% step change)

DIN rail or panel mounting options

RoHS compliant for environmental protection

Cr Magnetics Cr4211-50 Self Powered Ac Current Transducer With Single Element, 20 - 100 Hz, >= 1M Output Load, 2500 Vdc, 0-50 Aac Input Range, 0 - 10 Vdc Output Range

CR MAGNETICS
CR4211-50
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Average RMS measurement for sinusoidal alternating current waveforms

0.5% accuracy

Response time of 250 ms (10-90% step change)

DIN rail or panel mounting options

UL Recognized and CE certified for quality assurance

Nodehawk on Amazon: A Comprehensive Review

As an online shopper, it's crucial to make informed decisions. This review will focus on Nodehawk, a brand that has made its presence felt on Amazon. With its wide range of products in Current Monitoring Relays, Nodehawk has become a go-to for many shoppers.

Product Range

Nodehawk offers a vast product count of 15 items. This diverse selection caters to a wide array of needs and preferences, making it a versatile brand for consumers.

Quality and Pricing

Quality is a defining factor for any brand. Based on customer feedback and ratings, Nodehawk's products have an average rating of 3.0 out of 10, indicating a high level of customer satisfaction.

When it comes to pricing, Nodehawk has products ranging from a minimum price of $23.30 to a maximum of $210.40, with an average price of $70.28. This pricing structure caters to a wide range of budgets, making Nodehawk an accessible choice for many shoppers.

Customer Service

Customer service is the backbone of any successful online brand. Nodehawk is sold by functional instrument and nodehawk, who are known for their commitment to customer satisfaction. They have been responsive and helpful, according to customer reviews and feedback.

Shopping Experience

The shopping experience on Amazon with Nodehawk has been largely positive. The brand's wide range of products, combined with the ease of navigation on Amazon, has made shopping a breeze for many customers.

Delivery and Packaging

Delivery and packaging are yet another aspect where Nodehawk shines. Items are delivered in a timely manner and the packaging ensures the products reach the customers in pristine condition.

Conclusion

In conclusion, Nodehawk offers a wide range of quality products at varying price points, making it a brand worth considering for your next Amazon purchase. Their commitment to customer service, combined with a seamless shopping experience, makes Nodehawk stand out in the crowded Amazon marketplace.

Overall Rating

Based on the analysis of product range, quality, pricing, customer service, shopping experience, and delivery, we rate Nodehawk [3.0 out of 10 stars].