The 5V 8 Channel High Level Solid State Relay Module is designed for controlling multiple devices simultaneously. With high level trigger input and solid state reliability, this relay module is ideal for automation, home control, and industrial applications requiring efficient and noise-free switching.
Specifications
Product Type: Solid State Relay (SSR) Module
Channels: 8 (eight)
Input Voltage: 5V DC
Trigger Type: High-Level Trigger
Relay Type: Solid State (SSR)
Control Signal Level: High-level trigger (typically greater than 3.3V)
Isolation: Optocoupler Isolation for each channel
Input/Control Current: 15-20mA per channel (when active)
Relay Specifications:
Operating Voltage: 5V DC (control voltage for the relay input)
Operating Current: 160mA-200mA (for all 8 channels active)
Switching Voltage (Load Voltage):
AC Version: 240V AC
DC Version: 24V-60V DC (varies with version)
Switching Current (Load Current):
AC Version: 2A at 240V AC per channel
DC Version: 2A at 24V-60V DC per channel
Response Time: ≤10ms for switching
Input Specifications:
Trigger Voltage: High-level trigger (logic 1 for activation)
High-level trigger typically means input voltage ≥ 3.3V to 5V
Low level: ≤ 1.0V
Control Pin Compatibility:
Compatible with 3.3V and 5V logic systems (Arduino, Raspberry Pi, PLCs, etc.)
Optocoupler Isolation: Each relay channel has optocoupler isolation for protection against noise and surges
Electrical Characteristics:
Load Voltage (AC version): 75V to 240V AC (some versions go up to 380V)
Load Voltage (DC version): 5V to 60V DC (depends on the specific model version)
Current Capacity (per channel): 2A continuous
On-state Voltage Drop: ≤1.5V (when the relay is closed)
Off-state Leakage Current: ≤1mA (when the relay is open)
Environmental Specifications:
Operating Temperature Range: -30°C to +70°C
Storage Temperature Range: -40°C to +85°C
Humidity: 20% to 85% relative humidity (non-condensing)
Mechanical and Mounting Specifications:
PCB Dimensions: 138mm x 56mm x 19mm (approximate)
Mounting Holes: Four mounting holes with 3mm diameter (one in each corner)
Mounting Type: Can be mounted via screws or placed in enclosures
Weight: Approximately 100g-120g
Protection Features:
Over-current Protection: Each relay can protect against current overload up to 2A per channel
Optocoupler Isolation: Provides electrical isolation between the control input and the output load
Over-voltage Protection: Protection against high input voltages or surges
Reverse Polarity Protection: Prevents damage if input polarity is reversed
Application and Use Cases:
Suitable for:
Controlling AC loads such as lamps, motors, heaters, and household appliances
DC loads like fans, DC motors, solenoids, or DC lighting
Industrial and home automation
Controlling power in IoT systems and DIY projects
Microcontroller (e.g., Arduino, Raspberry Pi, ESP32) and PLC-based projects
Advantages of Mechanical Relays:
Silent operation (no mechanical clicking sound)
Longer lifespan (no mechanical wear)
Fast switching speed
Higher reliability for applications requiring frequent switching
Input/Output Interface:
Input Pins:
8 signal input pins for each relay (IN1, IN2, IN3… IN8)
Separate ground (GND) and VCC for control input
Output Terminals:
Each relay has three terminals: NO (Normally Open), COM (Common), and NC (Normally Closed)
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