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When purchasing a product, price is the consumer's primary concern. At present, Nodehawk has 22 products for sale. Nodehawk products range in price from $10.52 to $39.99, and the average price of all the products is about $24.55.

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Last Updated: Jan 9, 2026

Diaphragm Pumps

DC 12V Diaphragm Pump, Self-Priming Sprayer Pump, 1.2 GPM 87 PSI Pressure Switch Adjustable water pump, With 2 hose clamps, for RV Camping Shower Garden Irrigation

DC 12V Diaphragm Pump, Self-Priming Sprayer Pump, 1.2 GPM 87 PSI Pressure Switch Adjustable water pump, With 2 hose clamps, for RV Camping Shower Garden Irrigation Cover
  • DC 12V diaphragm water pump flow rate of 4.5L/min 1.2GPM，Self-priming vertical pumping: 6.6 ft (2m)，Pure copper motor runs stably and works with low noise
  • 12V water pump with low power consumption, built-in smart pressure switch, automatically shuts off when you turn off the faucet and runs automatically when you turn on the faucet. Adjustable as needed, pressure adjustment range is 40-100PSI (default 87PSI)
  • 3/9-inch hose barb connection，There is an arrow on the left side of the water pump electric cover indicating the direction of the water outlet. Please refer to the arrow direction to connect the water pipe,Comes with 2 tube clamps
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Industrial Electrical Capacitors HVAC Capacitors

Nodehawk Electronic Component Kit -Total 1800 Pcs, LED Diodes, Resistors, Capacitors, Ceramic Capacitors, Transistors, Diodes - for DIY Projects, Electronics Hobbyists

Nodehawk Electronic Component Kit -Total 1800 Pcs, LED Diodes, Resistors, Capacitors, Ceramic Capacitors, Transistors, Diodes - for DIY Projects, Electronics Hobbyists Cover
  • All-in-One Kit for Every Project：Packed with 7 essential components (LEDs, Resistors, Capacitors, Ceramic Capacitors, Transistors, Diodes), this kit covers 90% of DIY circuits, lighting, amplification, and signal processing projects. Perfect for both basic and advanced designs
  • Premium Quality for Stable Performance：Metal film resistors (low tolerance, high precision) and top-grade capacitors/transistors ensure reliable lighting, switching, and amplification. No more frequent replacements—built to last
  • Organized & Cost-Saving：Each component is labeled and bagged separately for quick access. Save 40% vs. buying individual parts—ideal for hobbyists, students, and engineers who want convenience without overspending
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Butt Terminals

Nodehawk 180PCS Heat Shrink Solder Butt Connectors Kit, Waterproof Insulated Electrical Terminals, Insulated Marine Automotive Wire Connectors for DIY & Professional Use (White Red Blue Yellow)

Nodehawk 180PCS Heat Shrink Solder Butt Connectors Kit, Waterproof Insulated Electrical Terminals, Insulated Marine Automotive Wire Connectors for DIY & Professional Use (White Red Blue Yellow) Cover
  • Premium Heat Shrink Connector Kit：A complete set of heat shrink wire connectors, including solder butt and micro joiner types, perfect for motorcycle terminals, automotive wiring, marine applications, and electronics repair. Ideal for splicing speaker wires, car harnesses, and more
  • Waterproof & Sealed for Durability：Features heat shrink tubing with adhesive lining for a waterproof, dustproof, and insulated seal—great for boats, outdoor wiring, and harsh environments. Ensures long-lasting connections even in damp conditions
  • Quick & Easy Splicing：Just insert wires, apply heat (using a heat gun), and the sleeve shrinks for a secure, vibration-resistant bond. No extra tools or soldering required—perfect for DIY enthusiasts and electric repairs
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Current Sensors

AC Current Sensing Switch 0-30A Normally Closed Current Sensor Monitoring Relay (NC30)

AC Current Sensing Switch 0-30A Normally Closed Current Sensor Monitoring Relay (NC30) Cover
  • 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
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Current Transducers

Nodehawk FCS521-SD-10V Current Transmitter Transformer Sensor AC Current Converter 0-50A, Push Button Switch, Automatic Operation, Black

Nodehawk FCS521-SD-10V Current Transmitter Transformer Sensor AC Current Converter 0-50A, Push Button Switch, Automatic Operation, Black Cover
  • 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.
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Current Transducers

Current Transmitter, FCS2151-SD-420E Current Transducer Transmitter Transformer Sensor AC Current Converter 0-200A

Current Transmitter, FCS2151-SD-420E Current Transducer Transmitter Transformer Sensor AC Current Converter 0-200A Cover
  • 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: 0-100A / 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.
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Power Transformers

AC Current Sensor Transformer, Core Current Transformer Coil Sensor for 300A Amp Energy Meter

AC Current Sensor Transformer, Core Current Transformer Coil Sensor for 300A Amp Energy Meter Cover
  • All-Scenario No-Power-Cut Current Monitoring：scenarios like live retrofits in substations/workshops, online monitoring for motors/frequency converters, post-construction current metering in buildings, and temporary testing during power maintenance—avoiding downtime losses while realizing flexible current measurement and signal transmission (compatible with ammeters, PLCs).
  • Split Core Structural Advantage - Detachable core design eliminates the need for cable threading or power-off during installation, solving the pain point of difficult disassembly and assembly of traditional closed transformers, especially suitable for fixed cables in cable trays or existing circuits.​
  • Stable Accuracy and Broad Compatibility—Featuring accuracy classes ranging from 0.5 to 1, with a 24mm inner diameter, it meets daily current measurement needs. Supporting a rated current range of 50A to 1000A, it is compatible with low-voltage circuits (AC 0.4kV and below) and can be paired with common monitoring devices such as ammeters, energy meters, and PLCs.
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Current Monitoring Relays

nodehawk Miniature Current Switch,Current Sensing Switch,with Rails,Normally Closed Amp Sensor Monitoring Relay, AC 0-30A Detectable（M3056）

nodehawk Miniature Current Switch,Current Sensing Switch,with Rails,Normally Closed Amp Sensor Monitoring Relay, AC 0-30A Detectable（M3056） Cover
  • Multi-Purpose: M3056 AC with rails current sensing switch is specially designed and manufactured to solve AC current monitoring. It uses the principle of mutual inductance to sense AC direct current, isolate the AC current, output normally open or normally closed switch signals, and directly control various automated industrial equipment, such as flash lamps, buzzers, relays, microcontrollers or other power load equipment.
  • Upgrade: Compared with traditional transformers, thermal protectors and other devices, using this device can not only get more accurate and timely control, but also greatly simplify the design and reduce costs. Self-powered, no external power supply required. Input through current: 0-30A AC Rated load: 0.3A@240V AC/DC.
  • High Performance: The switch has no limit on the number of times of opening and closing, and the response speed reaches the millisecond level. The hysteresis is less than 1% and can be used under strong magnetic conditions. Through structure design, isolation withstand voltage up to 2000V.
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Current Transducers

Current Transmitter, FCS2151-SD-10V Current Transducer Transmitter Transformer Sensor AC Current Converter 0-200A

Current Transmitter, FCS2151-SD-10V Current Transducer Transmitter Transformer Sensor AC Current Converter 0-200A Cover
  • 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: 0-100A / 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.
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Door Bell Transformers

16V 30VA Doorbell Transformer Hardwired Door Chime Transformer Thermostat Power Adapter Compatible with Video Doorbell Ring Pro Nest Hello

16V 30VA Doorbell Transformer Hardwired Door Chime Transformer Thermostat Power Adapter Compatible with Video Doorbell Ring Pro Nest Hello Cover
  • Advanced Safety Protection: Our doorbell transformer 16V 30VA is built with eco-friendly galvanized materials for enhanced durability and longevity. The ring hardwired transformer has a built-in fuse that can be blown in case of overload to prevent fire hazard. With overcurrent protection, overload protection and short circuit protection, Rigorously safety-tested, it ensures 100% safe operation for worry-free use.
  • Powerful Performance: This upgraded doorbell transformer delivers reliable power with a 120V, 60Hz AC input and a 16V, 30VA AC output, effortlessly supporting single or multiple doorbells. Say goodbye to underpowered systems—it replaces older door bell transformers to ensure consistent performance. Built for stability, its pure copper wiring uses 10% more wire than standard inverters, enhancing conductivity and connection reliability.
  • Easy Installation: Quickly mount this ring transformer for video doorbell wired using included screws or threaded clips—no complex wiring needed. Fits standard electrical boxes for a hassle-free setup.
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Current Sensors

nodehawk Current Sensing Switch/Relay AC Current Sensing Switch 0-50A Normally Open Current Sensor Monitoring Relay,Linkage PLC Signal,Overload Controller(M3060)

nodehawk Current Sensing Switch/Relay AC Current Sensing Switch 0-50A Normally Open Current Sensor Monitoring Relay,Linkage PLC Signal,Overload Controller(M3060) Cover
  • Multi-Purpose: M3060 AC current sensing switch is specially designed and manufactured to solve AC current monitoring. It uses the principle of mutual inductance to sense AC direct current, isolate the AC current, output normally open or normally closed switch signals, and directly control various automated industrial equipment, such as flash lamps, buzzers, relays, microcontrollers or other power load equipment.
  • Upgrade: Compared with traditional transformers, thermal protectors and other devices, using this device can not only get more accurate and timely control, but also greatly simplify the design and reduce costs. Self-powered, no external power supply required. Input through current: 0-50A AC Rated load: 0.3A@240V AC/DC.
  • High Performance: The switch has no limit on the number of times of opening and closing, and the response speed reaches the millisecond level. The hysteresis is less than 1% and can be used under strong magnetic conditions. Through structure design, isolation withstand voltage up to 2000V.
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Car Starter Relays

5-PIN Relay 40/30AMP 12V DC Automotive Relays Waterproof Relay with Harness Heavy Duty 12 AWG Tinned Copper Wires, 5 Pack

5-PIN Relay 40/30AMP 12V DC Automotive Relays Waterproof Relay with Harness Heavy Duty 12 AWG Tinned Copper Wires, 5 Pack Cover
  • WATERPROOF RELAY: Engineered for durability, these 12v relay with harness feature rugged caps and tight seals for maximum protection against water, dust, and moisture. Ideal for harsh environments, they deliver long-lasting reliability in automotive, marine, and outdoor applications. NOTE: Relay should not be used underwater.
  • QUALITY MATERIAL:These DC waterproof relays and wiring harnesses feature quick-install design for effortless replacement of worn-out relays. This 12V relay engineered with industrial-grade composite housing and high-purity copper coils to ensure optimal conductivity and voltage stability. Our automotive relays are made of longer 12+16 gauge tinned copper wire, which is more resistant to corrosion and oxidation than bare copper wire.
  • SAFETY ENGINEERED: The automotive relay base features high-grade flame-retardant plastic construction, providing superior short-circuit protection to prevent electrical fires and ensure vehicle safety. Its material offers reliable thermal resistance for worry-free operation in demanding conditions.
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Power Converters

24V Switching Power Supply AC 110-240V to DC 24V Din Rail Power Supply Highly efficient and Dual Output Power Conversion for 3D Printer Motor Monitoring Relay Lighting Equipment,3.3A 80W

24V Switching Power Supply AC 110-240V to DC 24V Din Rail Power Supply Highly efficient and Dual Output Power Conversion for 3D Printer Motor Monitoring Relay Lighting Equipment,3.3A 80W Cover
  • [Functional Upgrade] This 24V switching power supply contains wiring 7 terminals Two sets of output terminals, can be connected to two power supply. This switching power supply is globally compatible and supports a full range of 110-240V AC inputs without the need for additional transformers or adapters, making it easy to cope with the power needs of different regions.(Note: the combined power of the two outputs cannot exceed the total power of the product)
  • [High Precision 24V DC Regulated Output] The Din rail power supply provides 24V DC / 3.3A (80W) stabilized output and is designed for industrial control systems, automation equipment, and 24V powered equipment to ensure continuous and reliable power supply.
  • [Efficient Heat Dissipation] The AC/DC din rail power supply adopts hollow heat dissipation with built-in over-temperature protection, which can effectively reduce energy consumption and heat generation, minimize operating costs, protect the internal components of the switching power supply, and prolong the life of the equipment.
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Current Sensors

Nodehawk FCS521-SP-420E AC Current Transmitter, 0-50A Split Core, 4-20mA Output, High Accuracy, 2000V Isolation, for PLC & Industrial Automation

Nodehawk FCS521-SP-420E AC Current Transmitter, 0-50A Split Core, 4-20mA Output, High Accuracy, 2000V Isolation, for PLC & Industrial Automation Cover
  • High Precision & Wide Range：Accurately measures AC current (0-50A) with ±1% output precision and 200% overload capacity, ideal for industrial automation, PLC systems, and digital monitoring
  • Easy Installation & Versatile Use：Features a split-core (clamp-on) design for hassle-free installation without breaking circuits, with both fixed and clamp-type options for flexible applications.
  • Rugged & High Performance：Offers 2000V isolation, ABS flame-retardant casing, and anti-interference capabilities, ensuring reliability in harsh environments (operating temperature: -20°C~60°C).
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Power Transformers

100A Split Core Current Sensor Transformer 1000:1 Ratio AC Current Transformer Coil, Mini Split-CT for Energy Meter

100A Split Core Current Sensor Transformer 1000:1 Ratio AC Current Transformer Coil, Mini Split-CT for Energy Meter Cover
  • [ULTRA-COMPACT & LIGHTWEIGHT] This mini split-core current transformer is one of the smallest and lightest in its class, making it incredibly easy to handle and install in tight spaces without compromising performance.
  • [ACCURACY ≤ 0.5%] With a bore diameter of 16 mm and a ratio of 1000:1, this Core Current Transformer provides highly accurate current measurement (0-100A), ensuring reliable data for energy meters, power monitoring and other critical applications.
  • [TOOL-FREE SNAP-ON INSTALLATION] This 16mm current transformer features a split-core design with snap-in connectors - simply clip onto the cable and secure with the included nylon ties for a quick, hassle-free installation. No wiring or additional tools are required!
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Current Sensors

Nodehawk FCS521-SP-10V AC Current Transducer Sensor, 0-50A Input 0-10V DC Output, Split Core Design for PLC, Automation, and Industrial Monitoring

Nodehawk FCS521-SP-10V AC Current Transducer Sensor, 0-50A Input 0-10V DC Output, Split Core Design for PLC, Automation, and Industrial Monitoring Cover
  • High Precision & Wide Application：Accurately measures AC current (0-50A) and converts it to a 0-10V DC signal, compatible with PLCs, AD systems, and digital/analog meters. Ideal for industrial automation, energy monitoring, and control systems.
  • Split Core Design for Easy Installation：Features a convenient split-core (clamp-on) structure, allowing quick installation without disconnecting wires. Saves time and reduces downtime in electrical systems.
  • Rugged, reliable performance: high isolation (2000V), high overload capacity (200%) and low power consumption (≤1W). Made of flame retardant ABS material for increased reliability in harsh environments.
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Current Sensors

Nodehawk FCS521-SP-5V AC Current Transducer Sensor, 0-50A Input 0-5V DC Output, Split Core Design for PLC, Automation, and Industrial Monitoring

Nodehawk FCS521-SP-5V AC Current Transducer Sensor, 0-50A Input 0-5V DC Output, Split Core Design for PLC, Automation, and Industrial Monitoring Cover
  • High Precision & Wide Application：Accurately measures AC current (0-50A) and converts it to a 0-5V DC signal, compatible with PLCs, AD systems, and digital/analog meters. Ideal for industrial automation, energy monitoring, and control systems.
  • Split Core Design for Easy Installation：Features a convenient split-core (clamp-on) structure, allowing quick installation without disconnecting wires. Saves time and reduces downtime in electrical systems.
  • Rugged, reliable performance: high isolation (2000V), high overload capacity (200%) and low power consumption (≤1W). Made of flame retardant ABS material for increased reliability in harsh environments.
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Function Generators

Signal Isolator DC 24V,PLC Detect Signal Conditioner,Module Analog Output(2 in 2 Out 4-20mA Turn 4-20mA)

Signal Isolator DC 24V,PLC Detect Signal Conditioner,Module Analog Output(2 in 2 Out 4-20mA Turn 4-20mA) Cover
  • Signal Isolator:Input and output,ultra-thin, intelligent and isolated safety net. Channel configuration: 2 input and 2 output.Standard guide rail slot, used in conjunction with guide rails, facilitates dense installation and saves space
  • Specifications: DC signal conditioner supply voltage: DC 24V ± 10%; rated power consumption: 1W; response time: 100MS; dielectric strength: 2000V AC / 1MIN; input impedance: 50Ω; ambient temperature: -20 - 55 (℃); size: 3.93 × 0.88 × 4.5 Inches.
  • Performance: Input/output signal isolation: effectively removes electromagnetic interference during signal transmission. Input signal/power isolation: effectively filters out noise in the signal, greatly improving signal stability
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Current Sensors

AC Current Sensor Transformer, Core Current Transformer Coil Sensor for 50A Amp Energy Meter

AC Current Sensor Transformer, Core Current Transformer Coil Sensor for 50A Amp Energy Meter Cover
  • SMALL AND LIGHT: This current transformer Built-in input coil; small and light, easy to install.
  • SNAP JOINT STRUCTURE:The diameter of inner hole is 24mm, the accuracy is 0.5 grade, Using snap joint structure, it can be fixed to the cable directly through nylon ties.
  • GOOD MECHANICAL PROPERTIES: Fully enclosed, good mechanical properties and environmental resistance, strong voltage isolation capability, safety and reliability.
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Current Sensors

AC Current Switch Transducer Input 0.5A-200A Switching Max 0.3A@135V AC/DC Solid Core Self-Powered（16K-SD-NO-F）

AC Current Switch Transducer Input 0.5A-200A Switching Max 0.3A@135V AC/DC Solid Core Self-Powered（16K-SD-NO-F） Cover
  • Multi-Purpose: AC current sensing switch is specially designed and manufactured to solve AC current monitoring. It uses the principle of mutual inductance to sense AC direct current, isolate the AC current, output normally open or normally closed switch signals, and directly control various automated industrial equipment, such as flash lamps, buzzers, relays, microcontrollers or other power load equipment.
  • Upgrade: Compared with traditional transformers, thermal protectors and other devices, using this device can not only get more accurate and timely control, but also greatly simplify the design and reduce costs. Self-powered, no external power supply required.
  • High Performance: The switch has no limit on the number of times of opening and closing, and the response speed reaches the millisecond level. The hysteresis is less than 1% and can be used under strong magnetic conditions. Through structure design, isolation withstand voltage up to 2000V.
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