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When purchasing a product, price is the consumer's primary concern. At present, HCDC has 52 products for sale. HCDC products range in price from $14.9 to $85, and the average price of all the products is about $41.54.

You can confidently purchase HCDC products on Amazon.com. The brand holds an average rating of 4.6, testifying to its excellent reputation.

HCDC Best Sellers

Last Updated: Jan 11, 2026

HCDC HD062 8 Output DC Power Distribution Block Module for 15/30/45A Connects

HCDC HD062 8 output ports DC power distribution block module for 15/30/45A power pole connectors.
Maximum voltag: 60V. Maximum current (input or total output): 45 Amp.
Enclosure: High quality aluminum enclosure, thickness 1.5mm / 0.06". Support screw mount, wall mount, of course can also be placed on the desktop. Detachable screw mount brackets, supports top or right angle mount.
Packing list: 1x HD062 distribution module, 9 black power pole housings, 9 red power pole housings, 9 PVC cover flame retardant sleeve, 16 silver plated copper 30A 14-12AWG power pole contacts, 2x tinned copper 45A 12-10AWG power pole contacts.
Overall Dimensions(not include external plugs): L 140mm x W 39.2mm x H 33mm / 5.51" x 1.54" x 1.30". Net weight(not include external plugs): 126g.

HCDC 1 in 8 Out 40Amp Connector Power Splitter Distributor Source Strip Module

Operating voltage: 0 to 32VDC, No-load current: 2mA(for power indicator LED). Input port: maximum input current 40A, fuse 40A. Output port: 8 output ports, fuse 30A*2, 20A*2, 10A*2, 5A*1, 3A*1.
With power indicator LED. High-quality fuse holder, you can very easy to replace fuse from the outside, ATC/ATO auto fuses are easy to get and are available in 10 values from 1 to 40A.
Enclosure: High quality aluminum enclosure,thickness 1.5mm/0.06".
Overall Dimensions(maximum, w/o cables): L180mm x W62mm x H33mm / 7.09"x2.44"x1.30". Gross weight: 300g, Net weight: 230g
Packing list: 1x Distribution module, 9x black power pole housings, 9x red power pole housings, 9x PVC cover flame retardant sleeve, 18x silver plated copper 30A 14-12AWG power pole contacts, 2x tinned copper 45A 12-10AWG power pole contacts.

HCDC HD063 10 Position DC Power Distribution Block Module for 15/30/45A Connectors

HCDC HD063 10 ports DC power distribution block module for 15/30/45A power pole connectors.
Maximum voltag: 60V. Maximum current (input or total output): 45 Amp.
The input port can be configured flexibly, 1 to 10 any one port can be used as an input port, and other ports can be used as output ports. LED power indicator. Each port is configured with a 100nF capacitor to reduce noise crosstalk between ports.
Enclosure: High quality aluminum enclosure, thickness 1.5mm / 0.06". Support screw mount, wall mount, of course can also be placed on the desktop. The 10 ports are respectively distributed on the left, right, front and back sides, and screw fixing feet are raised by 5mm to facilitate external wiring.
Packing list: 1x HD063 distribution module, 10 black power pole housings, 10 red power pole housings, 10 PVC cover flame retardant sleeve, 18 silver plated copper 30A 14-12AWG power pole contacts, 2x tinned copper 45A 12-10AWG power pole contacts.
Overall Dimensions(not include external plugs): L 125mm x W 77mm x H 29mm / 4.92" x 3.03" x 1.14". Net weight(not include external plugs): 142g.

6-Position 45A Power Pole Distribution Block Module, Connector Power Splitter Distributor Source Strip. HCDC HD066

6-Position 45A Power Pole Distribution Block Module, Connector Power Splitter Distributor Source Strip. HCDC HD066
Connections: 6 Standard 45A power pole connectors. Can compatible 15A, 30A or 45A power pole connectors.
Maximum Voltag: 60VDC. Maximum Current: 45A.
Enclosure: High quality aluminum enclosure,thickness 1.5mm/0.06".
Overall Dimensions(maximum, w/o cables): L 98mm x W 33mm x H 32.6mm / 3.86" x 1.30" x 1.28"

AC120V 15Amp Automatic Transfer Switch, ATS Auto Transfer Switch (NEMA 5-15P/R)

HCDC HD060 Automatic transfer switch, an easy to mount 15Amp inline transfer relay provides switching between AC INPUT 2 (Utility or Shore Power) and AC INPUT 1 (Inverter or Generator) AC source. When AC INPUT 2 is powered, the load power will be switched to AC INPUT 2. When AC INPUT 2 is powered off, the load power will be switched to AC INPUT 1.
Operating voltage AC 90 to 135V 50/60Hz. Maximum current 15 Amp. Transfer time less than 30mS (0.03 second). For most smart devices or computers, the switching action of 30mS time will not affect their normal operation.
Internal four high power SPST relays switch design, effectively avoid the problem of DPDT relay high inductive load arcing. Live and Neutral wire are switched at the same time. The Ground wires of the two inputs and output are connected together internally and will not follow the switch on and off.
IP68 Waterproof high level enclosure, suitable for indoor or outdoor use. Flame retardant rating V1. Case material: PC (Polycarbonate). Seal material: Silicone rubber. External screw: 304 stainless steel.
AC INPUT 1 cable: Length 19 inch (0.5 meter), US standard NEMA 5-15P 3 prong plug. AC INPUT 2 and AC OUTPUT cables: Length 19 inch (0.5 meter), 14AWG (2.08 square millimeter) x 3 cores.

AC120V 15Amp Automatic Transfer Switch, ATS Auto Transfer Switch (Core Wires + NEMA 5-15P)

HCDC HD060 Automatic transfer switch, an easy to mount 15Amp inline transfer relay provides switching between AC INPUT 2 (Utility or Shore Power) and AC INPUT 1 (Inverter or Generator) AC source. When AC INPUT 2 is powered, the load power will be switched to AC INPUT 2. When AC INPUT 2 is powered off, the load power will be switched to AC INPUT 1.
Operating voltage AC 90 to 135V 50/60Hz. Maximum current 15 Amp. Transfer time less than 30mS (0.03 second). For most smart devices or computers, the switching action of 30mS time will not affect their normal operation.
Internal four high power SPST relays switch design, effectively avoid the problem of DPDT relay high inductive load arcing. Live and Neutral wire are switched at the same time. The Ground wires of the two inputs and output are connected together internally and will not follow the switch on and off.
IP68 Waterproof high level enclosure, suitable for indoor or outdoor use. Flame retardant rating V1. Case material: PC (Polycarbonate). Seal material: Silicone rubber. External screw: 304 stainless steel.
AC INPUT 1 cable: Length 19 inch (0.5 meter), US standard NEMA 5-15P 3 prong plug. AC INPUT 2 and AC OUTPUT cables: Length 19 inch (0.5 meter), 14AWG (2.08 square millimeter) x 3 cores.

Screw Mount DC 5-32V 8 Channel Pluggable Side Wiring Terminal Block Power Distribution Fuse Module, HCDC HD064RP

Operating voltage DC 5 to 32V. Maximum total input / output current 20 Amp.
Input: Maximum current 20 Amp for per position. Double positions + and - polarity terminal, support power supply expansion connect to other modules. Pin pitch 7.62mm/0.3", wire size 26 - 10 AWG, stripping length 8mm, Metric M3 slotted screw.
Output: 8 position pluggable side wiring terminal blocks. Maximum current 3 Amp for per position (the terminal highest working current can support up to 10 Amp, but factory pre-installed fuse value is 3 Amp, if you want more output current, please change the fuse). Pin pitch 5.08mm/0.2", wire size 28 - 12 AWG, stripping length 7mm, Metric M2.5 slotted screw.
Pluggable fuse holder, can support medium blade ATO / ATC fuse. Each output channel has a green LED indicator, when the fuse is blown or pulled out, the LED indicator will be off.
High quality fireproof nylon material mount carrier, included two M3 x 10mm wood screws, you can easily mount it on a wooden board. FR-4 fiberglass dual copper layers PCB. UL CE CQC certified terminal blocks, UL 94-V0 certified PCB, and UL CE certified screw mount carrier.

HCDC 1 in 8 Out 40A Connector DC Power Splitter Distributor Source Strip Module

HCDC 1 In 8 Out 40A Connector DC Power Splitter Distributor Source Strip Module.
Operating voltage: 6 to 20VDC, No-load current: 2.7mA(at 13.8V). Input port: maximum input current 40A, fuse 40A. Output port: 8 output ports, fuse 30A * 2, 20A * 2, 10A * 2, 5A * 1, 3A * 1. High-quality fuse holder, you can very easy to replace fuse from the outside, ATC/ATO auto fuses are easy to get and are available in 10 values from 1 to 40A.
LED over(15.0V) and under(11.5V) voltage indicators, and buzzer audio alarm for over voltage or under voltage. if you do not want to hear the alarm, you can open the aluminum case to remove the BUZZER-OPTION cap. with fault indicator LED for each fuse.
Includes: 9 black power pole housings, 9 red power pole housings, 9 PVC cover flame retardant sleeve, 18 silver plated copper 30A 14-12AWG power pole contacts, 2x tinned copper 45A 12-10AWG power pole contacts.
Overall Dimensions(maximum, w/o cables): L 233mm x W 73.5mm x H 30mm / 9.17"x2.89"x1.18", Aluminum enclosure,thickness 1.5mm/0.06".

DIN Rail Mount DC 5-32V 8 Channel Pluggable Side Wiring Terminal Block Power Distribution Fuse Module, HCDC HD064RT

Operating voltage DC 5 to 32V. Maximum total input / output current 20 Amp.
Input: Maximum current 20 Amp for per position. Double positions + and - polarity terminal, support power supply expansion connect to other modules. Pin pitch 7.62mm/0.3", wire size 26 - 10 AWG, stripping length 8mm, Metric M3 slotted screw.
Output: 8 position pluggable side wiring terminal blocks. Maximum current 3 Amp for per position (the terminal highest working current can support up to 10 Amp, but factory pre-installed fuse value is 3 Amp, if you want more output current, please change the fuse). Pin pitch 5.08mm/0.2", wire size 28 - 12 AWG, stripping length 7mm, Metric M2.5 slotted screw.
Pluggable fuse holder, can support medium blade ATO / ATC fuse. Each output channel has a green LED indicator, when the fuse is blown or pulled out, the LED indicator will be off.
High quality fireproof nylon material DIN rail mount carrier, can support width 35mm rail. FR-4 fiberglass dual copper layers PCB. UL CE CQC certified terminal blocks, UL 94-V0 certified PCB, and UL CE certified DIN rail mount carrier.

Screw Mount DC 5-32V 8 Channel Pluggable Top Wiring Terminal Block Power Distribution Fuse Module, HCDC HD064VP

Operating voltage DC 5 to 32V. Maximum total input / output current 20 Amp.
Input: Maximum current 20 Amp for per position. Double positions + and - polarity terminal, support power supply expansion connect to other modules. Pin pitch 7.62mm/0.3", wire size 26 - 10 AWG, stripping length 8mm, Metric M3 slotted screw.
Output: 8 position pluggable top wiring terminal blocks. Maximum current 3 Amp for per position (the terminal highest working current can support up to 10 Amp, but factory pre-installed fuse value is 3 Amp, if you want more output current, please change the fuse). Pin pitch 5.08mm/0.2", wire size 28 - 12 AWG, stripping length 7mm, Metric M2.5 slotted screw.
Pluggable fuse holder, can support medium blade ATO / ATC fuse. Each output channel has a green LED indicator, when the fuse is blown or pulled out, the LED indicator will be off.
High quality fireproof nylon material mount carrier, included two M3 x 10mm wood screws, you can easily mount it on a wooden board. FR-4 fiberglass dual copper layers PCB. UL CE CQC certified terminal blocks, UL 94-V0 certified PCB, and UL CE certified screw mount carrier.

HCDC RPi GPIO Status LED & Terminal Block Breakout Board HAT for Raspberry Pi A+ 3A+ B+ 2B 3B 3B+ 4B

The item has been soldered and assembled. Support for Raspberry Pi A+ 3A+ B+ 2B 3B 3B+ 4B
GPIO status LED and power 5V / 3.3V indication. GPIO output or input level high LED on, output or input level low LED off. 5V blue, 3.3V red, GPIOs green. The position of the LED is in a one-to-one correspondence with the position of the Raspberry Pi 2x20pin connector, and the logic level of the GPIO can be observed very quickly and intuitively. The driving current of each LED is only 0.1mA, so you don't have to worry about it affecting the read and write status of GPIO.
Terminal block pitch 3.5mm/0.138", wire size range 26AWG to 16AWG, strip length 5mm, screw M2 steel, pin header and cage copper. 2 x 20 pins expansion pin header, height 8mm/0.32".
Packing list: 1x terminal block breakout module, 4x M2.5x16mm nylon standoffs, 4x M2.5x6mm nylon standoffs, 4x M2.5 nylon nuts(NOTE: the item not include Raspberry Pi Board).

Dual SPST-NO 10 Amp Power Relay Module (AC/DC 5V)

Dual SPST-NO 10 Amp Power Relay Module.
Input control support AC and DC signal. Control voltage 5V 12V 24V version selectable.
Relay switch contact capacity: AC 250V 10Amp / DC 30V 10Amp.
Two separate input and SPST-NO switch circuit, can flexible selection control signal, for separate AC, for separate DC, for source (PNP, common +) , for sink (NPN, common -).
Compact ABS plastic case and wires connect for easy mount. Two screw mounting holes are convenient for you to fix it on the wall or wooden board. Of course, you can also choose not to lock the screw.

DIN Rail Mount AC 24-250V 8 Channel Pluggable Top Wiring Terminal Block Power Distribution Fuse Module, HCDC HD065VT

Operating voltage AC 24 to 250V. Maximum total input / output current 15 Amp.
Input: Maximum current 15 Amp for per position. Double positions L and N polarity terminal, support power supply expansion connect to other modules. Pin pitch 7.62mm/0.3", wire size 26 - 10 AWG, stripping length 8mm, Metric M3 slotted screw.
Output: 10 position pluggable top wiring terminal blocks. Maximum current 4 Amp for per position (factory pre-installed is slow blow 4Amp 5x20mm glass tube fuses). Pin pitch 5.08mm/0.2", wire size 28 - 12 AWG, stripping length 7mm, Metric M2.5 slotted screw.
Fuse holder support 5x20mm tube fuse, the fuse can be replaced very easily. Each output channel has a green LED indicator, when the fuse is blown or pulled out, the LED indicator will be off.
High quality fireproof nylon material DIN rail mount carrier, can support width 35mm rail. FR-4 fiberglass dual copper layers PCB. UL CE CQC certified terminal blocks, UL 94-V0 certified PCB, and UL CE certified DIN rail mount carrier.

Automatic Transfer Switch, AC120V 20Amp, ATS Auto Transfer Switch, HCDC HD067/120V20A

HCDC HD067/120V20A Automatic transfer switch, voltage AC 120V, current 20 Amp. Select input source automatically or manually. With output on/off control function. With power-off memory function.
In automatic mode (press the AUTO button), the automatic selection priorities are: 1 – PRIORITY, 2 - BACKUP. If you want to manually select an input source (manual mode), you can directly press button: PRIORITY or BACKUP. When you want to return to automatic mode, just click the AUTO button.
Power ON/OFF control function: When you want to disconnect the load power, just click the ON/OFF button, it will immediately disconnect the live wire and the neutral wire at the same time, and all indicator LEDs will go out.
Multiple indicator lights allow you to clearly see the product's input source status, output status, operating mode, and the status of the internal relay switch.
It has a power-off memory function, and the next time it is powered on, it will return to the state before the power-off, which will not cause unpredictable consequences. The memory includes the operating mode, input source, and output switch status.
Transfer time less than 30mS (usually around 15 mS), for most smart devices or computers, the switching action of 30mS time will not affect their normal operation.
The live wire and neutral wire of each input source are controlled by different high-power SPST relays, ensuring that there will be no power arcing and no creepage between different input sources. The design is specially optimized to not cause your GFCI protector to trip for no reason.

HCDC 10-30V DC Voltage Monitoring DPST Relay Module, Low Voltage Disconnect LVD for 12V 18V 24V Battery, Load 80Amp/AC250V or 50Amp/DC30V

To protect electronics from damaging low voltages and prevent a deep discharge of a battery during an extended power outage, the LVD module will automatically disconnect the battery when the voltage falls below the user adjustable cutoff voltage. When power is restored the Smart Switch will automatically reconnect the battery. thereby protecting the battery from total discharge (helping to prolong the life of the battery). Applications for Inverter, Solar systems, Alarm systems, UPS systems, Mobile systems, or any application where you need to protect the battery from total discharge.
Operating voltage DC 10 to 30V. Switch maximum support current up to 80Amp(for AC) or 50Amp(for DC). Can support 12V, 18V or 24V battery system. Reconnect and disconnect voltage 10 ~ 30V you can set it arbitrarily (NOTE: reconnect voltage must be greater than the disconnect voltage). Quiescent current consumption is less than 2mA (It's the same whether it's ON or OFF), So you almost never have to worry about your battery being drained by the product, unless you don't charge it for months on end.
With a rocker switch for override, can set to ON / AUTO / OFF function, if you want switch output to be immediate and remain ON or OFF. (Note: When the battery voltage is lower than 9.5V, set the switch to ON state, the battery will not be forced on, this is to protect the battery and the module).
Red DIP switch, programmable voltage setting for Disconnect and Reconnect (rocker switch state must set to AUTO, otherwise the automatic function is invalid). For the setting value of the voltage, you can refer to the label on the side of the module. Please note that when setting the red DIP switch, the reconnect voltage must be greater than the disconnect voltage, otherwise the function will not work.
With three module output status LEDs, ON / ALARM / OFF, to help you intuitively understand the output status.
After power-on, the action will be delayed for 1 second to accurately judge the battery voltage and reduce the instantaneous discharge current of the battery. When the battery drops to the disconnect voltage value, there will be a delay of 120 seconds. During this period, the ALARM function will be used to remind you that if the battery voltage does not return to the normal voltage during this period, the output will be turned off. When the battery voltage returns to the reconnect voltage value for 5 seconds, the output will be reconnected.
Support external connect emergency switch, the switch must be a momentary-on type switch. When the output is in a protected low-voltage disconnected state, and rocker switch setting to AUTO status, and battery voltage >=10V, Trigger external emergency switch, the module will be forced ON for 120 seconds for you to complete the emergency. If the battery voltage is lower than 10V, the emergency switch will not produce any action.
Support external connect active-buzzer or indicator light for alarm function. When the battery voltage drops to the disconnect voltage value set by the red DIP switch, the output will act synchronously with the ALARM led, on for 0.5 seconds and off for 0.5 seconds, alternating output. After flashing for 120 seconds, if the voltage of the battery still does not rise at this time, the module will automatically turn off the output.
The yellow ALARM-led will be off and the red OFF-led will be on. The sink current capacity of this yellow wire is 500mA, please make sure that the active buzzer or indicator light you connect does not work more than 500mA. Please make sure that the active buzzer or indicator you connect matches your battery voltage (please do not connect pure led directly, because the working voltage of led is only 2~3V).
The product design is based on microcontroller and high-power latching relay, especially optimized anti-interference ability to better support inverter load, and make the quiescent working current very small.

Screw Terminal Block Breakout Shield Module for Arduino MEGA-2560 R3

Terminal Block Breakout Shield Module - for Arduino MEGA-2560 R3. the item has been soldered and assembled.
Terminal block pitch 3.5mm/0.138", wire size range 26AWG to 16AWG, strip length 5mm, screw M2 steel, pin header and cage copper.
With power on LED indicating. red reset button on the side. with a ICSP adapter connect header.
FR-4 fiber glass PCB, dual copper layers.
NOTE: the item not include Arduino Mega module.

Screw Terminal Block Breakout Shield Module for Arduino UNO R3

Terminal Block Breakout Shield Module - for Arduino UNO R3. the item has been soldered and assembled.
Terminal block pitch 3.5mm/0.138", wire size range 26AWG to 16AWG, strip length 5mm, screw M2 steel, pin header and cage copper.
Standard IDC40 pitch 0.1" header, you can use 40pin FRC(flat ribbon cable) connector cable connect all Arduino Uno pins to peripheral equipment.
With power on LED indicating. red reset button on the side. with a ICSP adapter connect header. FR-4 fiber glass PCB, dual copper layers.
NOTE: the item not include Arduino Uno module.

DIN Rail Mount Bracket for Raspberry Pi A+ B+ 2B 3B 3B+ 4B Zero Arduino Uno Mega Mkr BeagleBone

This product can easily mount Raspberry Pi / Arduino / BeagleBone to DIN rail, expand their range of applications to industrial control.
Supports Raspberry Pi 1 Model A+ / Pi 1 Model B+ / Pi 2 Model B / Pi 3 Model B / Pi 3 Model B+ / Pi 4 Module B / Pi Zero / Pi Zero W, Arduino Uno R2 / Uno R3 / Mega 2560 R2 / Mega 2560 R3 / MKR Series etc, and BeagleBone / BeagleBone Black / BeagleBone AI / BeagleBone Black Wireless / BeagleBone Green / BeagleBone Green Wireless or SanCloud BeagleBone Enhanced.
High quality DIN rail feed and mounting very stable, can support width 35mm / 32mm / 15mm DIN rail. Support horizontal and side installation. The position of the DIN rail feet can be adjusted according to the situation. And the carrier feet can be taken apart for wall-mount use.
Thickness 1.5mm/0.06" aluminum bracket sheet, the weight is very light and very strong.
Package included: 1x Aluminum bracket, 1 pair DIN rail adapter feed and mount screws, 6x M2.5x10mm standoffs, 12x M2.5x6 pan head screws, 4x M2x12mm standoffs and 8x M2x6mm screws(for Arduino MKR). NOTE: the item not include Arduino Mega and iron DIN rail.

DIN Rail Mount Pinout Breakout Terminal Block Module for Arduino MEGA-2560 R3 / Due

DIN Rail Mount Screw Terminal Block Adapter Module for Arduino MEGA-2560 R3 / DUE, with the adapter module, you can easily extend Arduino projects to industrial control applications.
Pitch 3.81mm/0.15" screw terminal block. Terminal block: wire range 26-16AWG, strip length 5mm, Metric M2 slotted screw.
FR-4 fiber glass PCB, dual copper layers. PCB Dimensions: 150mm x 72.5mm(W x L). Module Dimensions: 153mm x 87mm x 45mm (W x L x H).
High quality Taiwan DINKLE Fireproof nylon material DIN rail mount carrier, can support width 35mm / 32mm / 15mm rail, and the carrier can be taken apart for panel mount use.
Note: the item not include Arduino-Mage module and iron rail.

DPST 1NO 1NC 8 Amp Power Relay Module (AC/DC 12V)

This is a simple and practical passive relay module, which is very convenient to use. It can support both Normally Open and Normally Close.
Input control signal: AC/DC 5V, AC/DC 12V, AC/DC24V, AC/DC48V, AC 115V, AC 230V Selectable.
Output switch DPST 1NO 1NC(Double Pole Single Throw, 1x Normally Open and 1x Normally Close ), rated current 8A/250VAC or 8A/30VDC (one switch).
LED indication for relay action.
Compact ABS plastic case and wires connect for easy mount. Two screw mounting holes are convenient for you to fix it on the wall or wooden board. Of course, you can also choose not to lock the screw.

HCDC FAQs

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