---
product_id: 15479714
title: "Happy fly shop 5pcs 5V 30A 1-Channel Relay Module with Optocoupler H/L Level Triger for Arduino"
brand: "happy fly shop"
price: "VT10543"
currency: VUV
in_stock: true
category: "Electronics"
url: https://www.desertcart.vu/products/15479714-happy-fly-shop-5pcs-5v-30a-1-channel-relay-module
store_origin: VU
region: Vanuatu
---

# Happy fly shop 5pcs 5V 30A 1-Channel Relay Module with Optocoupler H/L Level Triger for Arduino

**Brand:** happy fly shop
**Price:** VT10543
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Happy fly shop 5pcs 5V 30A 1-Channel Relay Module with Optocoupler H/L Level Triger for Arduino by happy fly shop
- **How much does it cost?** VT10543 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/15479714-happy-fly-shop-5pcs-5v-30a-1-channel-relay-module)

## Best For

- happy fly shop enthusiasts

## Why This Product

- Trusted happy fly shop brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

5V 30A 1-Channel Relay Module with Optocoupler H/L Level Triger for Arduino 
 
 
Module description: 
1. 30A relay module, normally open interface maximum load: AC 250V/30A, DV 30V/30A; 
2. Optical coupling isolation, driving ability is strong, stable performance;Trigger current is 5mA; 
3. Module can be set high level or low level trigger by the jumper; 
4. Power indicator light (green), relay status indicator light (red); 
5. Module Size:50mm*33mm*24mm; 
 
Technical parameters: 
Voltage version:5V 
The static current:5mA 
Working current:190mA 
Trigger current:2-4mA 
 
Module interface specifications: 
1. DC+ : DC power supply positive pole 
2. DC- :DC power supply negative pole 
3. IN : signal triggering pin 
4. JD+ : relay control voltage positive 
5. JD- : relay control voltage negative 
6. DC+ and JD+ shorted by jumper cap, DC- and JD- shorted with jumper cap, it is the same voltage between trigger terminal and relay control terminal 
7. High and low level trigger mode selection.Jumper and L pin connection, IN pin is low level triggerJumper and H pin connection, IN pin is high level trigger 
8. Normally closed pin (NC) : relay normally closed pin 
9. Common pin (COM) : relay common pin 
10. Normally opened pin (NO) : relay normally opened pin 
11. Rated current of the interface is 16A

## Features

- Happy fly shop 5pcs 5V 30A 1-Channel Relay Module with Optocoupler H/L Level Triger for Arduino

## Images

![Happy fly shop 5pcs 5V 30A 1-Channel Relay Module with Optocoupler H/L Level Triger for Arduino - Image 1](http://ecx.images-amazon.com/images/I/519w0U8TyeL.jpg)
![Happy fly shop 5pcs 5V 30A 1-Channel Relay Module with Optocoupler H/L Level Triger for Arduino - Image 2](http://ecx.images-amazon.com/images/I/51wUL7t-EVL.jpg)
![Happy fly shop 5pcs 5V 30A 1-Channel Relay Module with Optocoupler H/L Level Triger for Arduino - Image 3](http://ecx.images-amazon.com/images/I/51ZeC3hkL8L.jpg)

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**Shop now:** [https://www.desertcart.vu/products/15479714-happy-fly-shop-5pcs-5v-30a-1-channel-relay-module](https://www.desertcart.vu/products/15479714-happy-fly-shop-5pcs-5v-30a-1-channel-relay-module)

---

*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-01-29*