Overview
The 4 Channel 2A SSR (Solid State Relay) Module is a reliable and efficient electronic switching device designed for various automation and control applications. It supports a rated voltage of 5V, 12V and 24V making it compatible with a range of microcontrollers and development boards such as Arduino and Raspberry Pi. With a maximum operating current of 26.8mA, it ensures low power consumption.
This module offers both high and low-level trigger options, allowing flexible integration with various control systems. It supports a load voltage of up to 240VAC and can handle a load current of 2A, making it ideal for controlling small appliances, lighting systems, or industrial equipment.
The module has a lifespan of up to 10 million switching cycles and operates with a maximum switching frequency of ≤ 5kHz.
Weighing just 40g and measuring 57 x 55 x 25 mm (L x W x H), the module is compact and easy to install. It features mounting holes positioned at 51.4 x 49.4 mm for secure attachment.
Specification
| Specification | Details | ||
|---|---|---|---|
| Rated Voltage | 5V | 12V | 24V |
| Static Current | 0mA | ||
| Maximum Operating Current | 48mA | ||
| Trigger Mode | High and Low Level Trigger | ||
| Load Voltage | 240VAC | ||
| Load Current | 2A | ||
| Module Lifespan | 10 Million Times | ||
| Maximum Switching Frequency | ≤ 5kHz | ||
| Product Weight | 40g | ||
| Dimensions | 57 x 55 x 25 mm (L x W x H) | ||
| Mounting Hole Position | 51.4 x 49.4 mm | ||
Pinout
| Pins | Functions |
|---|---|
| Input Terminal | |
| D+ | Connect to the positive terminal of the power supply w.r.t to rated relay voltage: 5V PSU for 5V rated relay module 12V PSU for 12V rated relay module. 24V PSU for 24V rated relay module. *PSU = Power Supply |
| D- | Connect to the negative terminal of the power supply. |
| CH1 | Control signal input terminal for Relay 1 (HIGH or LOW). |
| CH2 | Control signal input terminal for Relay 2 (HIGH or LOW). |
| CH3 | Control signal input terminal for Relay 3 (HIGH or LOW). |
| CH4 | Control signal input termina for Relay 4 (HIGH or LOW). |
| Load Terminal | |
| Pin 1 & 2 | Connects to load. |
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