---
product_id: 664852110
title: "3 in 1 RS485 Modbus RTU Current & Voltage Meters Board 0-30V Voltage Signal Measurement 2A Current Collection Module"
brand: "eletechsup"
price: "9.37 DT"
currency: TND
in_stock: false
url: https://www.desertcart.tn/products/664852110-3-in-1-rs485-modbus-rtu-current-and-voltage-meters
store_origin: TN
region: Tunisia
---

# 3 in 1 RS485 Modbus RTU Current & Voltage Meters Board 0-30V Voltage Signal Measurement 2A Current Collection Module

**Brand:** eletechsup
**Price:** 9.37 DT
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** 3 in 1 RS485 Modbus RTU Current & Voltage Meters Board 0-30V Voltage Signal Measurement 2A Current Collection Module by eletechsup
- **How much does it cost?** 9.37 DT with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/664852110-3-in-1-rs485-modbus-rtu-current-and-voltage-meters)

## Best For

- eletechsup enthusiasts

## Why This Product

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

## Description

Package inlcuded:0-2A Current and 0-30V voltage collector（Please select the version you need）Description:Power supply voltage: DC 8-25V(12V recommended);Operating current: 8-13MA;MODBUS RTU protocol: 03 read command, 06/16 write command.Serial port Baud rate: 1200 2400 9600(default) 19200 38400 57600 115200 ,N/E/O,8,1;By modifying the RS485 address, up to 247 modules can be cascaded (more than 16 please use R485 repeater);Voltage and current values can be read;Current measurement range: 0~1A, 0~2A, and 0~5A. It is recommended to select a version with a smaller range within the range that meets the measurement;Voltage measurement range: 0~30V;Measurement accuracy: 1%. If the read value is too different from the actual value, recalibrateSize: 72X 47 X 12MM(only board),87X 50X 37MM(with case)Weight: 23g(board only),68g(with case)Note:This product is used to collect small current signals from time to time. If you need a 4-20MA signal collector, please choose the following products: N4AIA04 N46IB02 N43IC04Note: The module will restore factory settings and restart automatically after 5 seconds of shorting the RES port.MODBUS RTU protocol please refer to : '' N4VIA02 Modbus RTU''

## Features

- Power supply voltage: DC 8-25V(12V recommended);
- Operating current: 8-13MA;
- Voltage measurement range: 0~30V;
- Size: 87X 50X 37MM(with case)
- Weight: 68g(with case)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BQJ44L73 |
| Best Sellers Rank | #878,689 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #359 in Industrial Power Meters |
| Brand | eletechsup |
| Brand Name | eletechsup |
| Coil Voltage | 12 Volts (DC) |
| Connector Type | Through Hole |
| Contact Current Rating | 2 Amps |
| Contact Material | Copper Alloy |
| Contact Type | Normally Closed |
| Current Rating | 8 Amps |
| Included Components | Module |
| Manufacturer | eletechsup |
| Maximum Switching Voltage | 30 Volts |
| Mounting Type | Flush Mount |
| Operation Mode | Automatic |
| Part Number | N4VIA02_2A_R |
| Specification Met | ABS |
| UPC | 733805253905 |

## Images

![3 in 1 RS485 Modbus RTU Current & Voltage Meters Board 0-30V Voltage Signal Measurement 2A Current Collection Module - Image 1](https://m.media-amazon.com/images/I/61YFXUDZ9HL.jpg)
![3 in 1 RS485 Modbus RTU Current & Voltage Meters Board 0-30V Voltage Signal Measurement 2A Current Collection Module - Image 2](https://m.media-amazon.com/images/I/61fOaZV0e8L.jpg)
![3 in 1 RS485 Modbus RTU Current & Voltage Meters Board 0-30V Voltage Signal Measurement 2A Current Collection Module - Image 3](https://m.media-amazon.com/images/I/61XHIx6sssL.jpg)
![3 in 1 RS485 Modbus RTU Current & Voltage Meters Board 0-30V Voltage Signal Measurement 2A Current Collection Module - Image 4](https://m.media-amazon.com/images/I/71NPhoED8JL.jpg)
![3 in 1 RS485 Modbus RTU Current & Voltage Meters Board 0-30V Voltage Signal Measurement 2A Current Collection Module - Image 5](https://m.media-amazon.com/images/I/71ewA3zx2sL.jpg)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-05-30*