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Unit DCSSR
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SKU:U140

Description

Unit DCSSR is a DC-to-DC single-phase solid-state relay controller kit, which includes a single-phase solid-state relay + ESP32C3 core control board. It supports three working modes: button control, I2C slave, and Modbus networking. The integrated programmable full-color RGB LED can be used for various status indications. Compared to traditional mechanical relays, this relay is a contactless switch assembled and solidified using semiconductor components. It has a series of advantages such as fast switching speed, high operating frequency, long service life, low noise, and reliable operation without sparks. It is widely used in digital program-controlled devices, motor control devices, temperature control devices, data processing systems, and computer terminal interface circuits, especially suitable for special occasions with frequent actions, explosion-proof, moisture-proof, and corrosion-resistant requirements.

Features

  • Single-phase solid-state relay
  • Three working modes:
    • Button control
    • I2C slave (supports device I2C address configuration)
    • Modbus networking (supports device ID configuration)
  • Programmable full-color RGB LED
  • RS485PWR interface (supports 9-24V device power supply)

Includes

  • 1x Unit DCSSR
  • 1x Single-phase solid-state relay
  • 2 x 3.96-4P terminal blocks
  • 1 x HY2.0-4P Grove connection cable (20cm)
  • 1 x Communication protocol manual

Applications

  • DC circuit on/off
  • Motor equipment control
  • Temperature control equipment

Specifications

Specification Parameter
Controller Main ESP32C3
Programmable RGB LED SK6812
Load Current 10A
Input Control Voltage 3-32VDC
Load Voltage 24~220VDC
Input Control Current 5mA~20mA
Off-state Leakage Current ≤5mA
On-state Voltage Drop ≤1.6V
Operating Current Safety Series Resistive Load: 50% Inductive Load: 50%
Electrical Life ≥1 million times
Indicator Light Red (On: Closed / Off: Open)
Product Size 80 x 45 x 31mm
Package Size 147 x 90 x 40mm
Product Weight 112.6g
Gross Weight 137.8g

Learn

schematics
  • Connection Example Diagram

PinMap

Unit DCSSR

HY2.0-4P Black Red Yellow White
PORT.A GND 5V SDA SCL

Model Size

module size

Softwares

Arduino

UiFlow1

UiFlow2

Video

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