---
product_id: 475503511
title: "KETOTEK Energy Meter AC40-300V 100A, Digital Display LED Voltmeter Ammeter Active Power Factor Gauge, Volt Amp Watt Current Frequency KWH 6in1 Multifuction Meter Din Rail (Built-in CT)"
brand: "ketotek"
price: "317 Lei"
currency: RON
in_stock: true
url: https://www.desertcart.ro/products/475503511-ketotek-energy-meter-ac40-300v-100a-digital-display-led-voltmeter
store_origin: RO
region: Romania
---

# AC Voltage 40-300V 6-in-1 Multifunction Display Current up to 100A KETOTEK Energy Meter AC40-300V 100A, Digital Display LED Voltmeter Ammeter Active Power Factor Gauge, Volt Amp Watt Current Frequency KWH 6in1 Multifuction Meter Din Rail (Built-in CT)

**Brand:** ketotek
**Price:** 317 Lei
**Availability:** ✅ In Stock

## Summary

> ⚡ Power Up Your Space with Smart Energy Mastery!

## Quick Answers

- **What is this?** KETOTEK Energy Meter AC40-300V 100A, Digital Display LED Voltmeter Ammeter Active Power Factor Gauge, Volt Amp Watt Current Frequency KWH 6in1 Multifuction Meter Din Rail (Built-in CT) by ketotek
- **How much does it cost?** 317 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/475503511-ketotek-energy-meter-ac40-300v-100a-digital-display-led-voltmeter)

## Best For

- ketotek enthusiasts

## Why This Product

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

## Key Features

- • **Precision You Can Trust:** Built with high-precision chips and flame-retardant ABS for safe, reliable, and accurate energy monitoring.
- • **All-in-One Power Insight:** Simultaneously track voltage, current, power, energy, frequency, and power factor on one sleek LED screen.
- • **Effortless DIN Rail Mounting:** Compact 6.4x8 cm design fits seamlessly into your electrical panel for professional-grade installation.
- • **Stay Ahead with Real-Time Data:** Monitor your home or office energy consumption live to optimize efficiency and reduce costs.
- • **Future-Proof Your Energy Management:** Supports up to 30,000W and 99,999 kWh tracking—perfect for smart, sustainable living.

## Overview

The KETOTEK Energy Meter AC40-300V 100A is a compact, DIN-rail mounted digital power meter that delivers real-time monitoring of six key electrical parameters—voltage, current, active power, energy consumption, frequency, and power factor. Crafted from flame-retardant ABS and equipped with high-precision chips, it ensures safe, accurate, and reliable energy management for residential or professional use.

## Description

KETOTEK DIN-rail multi-function digital power meter D52-2047HD monitors the energy consumption of the house.It can measure AC voltage, AC current, active power, power factor, frequence and electric energy at the same time. The color, full-view, high-definition LCD display is clearly visible day or night.

## Features

- 【High quality & safety】KETOTEK power meter is made of high quality ABS flame retardant material and high precision chips to ensure safe use.
- 【6 in 1 Multimeter】One interface displays 6 kinds of measurement parameters at the same time, including voltage: AC 40.0-300.0V, Current: AC 0-100.0A, Electric power: 0-30000W, Energy: 0-99999kwh, Frequency: 45.0Hz–65.0Hz, Power Factor: 0.00-1.00PF.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | KETOTEK |
| Part number | D52-2047HD |
| Item Weight | 141 g |
| Product Dimensions | 5.4 x 6.4 x 8 cm; 141 g |
| Item model number | D52-2047HD |
| Color | multiple colors |
| Voltage | 230 |
| Item Package Quantity | 1 |
| Included components | Energy Meter, User Manual |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![KETOTEK Energy Meter AC40-300V 100A, Digital Display LED Voltmeter Ammeter Active Power Factor Gauge, Volt Amp Watt Current Frequency KWH 6in1 Multifuction Meter Din Rail (Built-in CT) - Image 1](https://m.media-amazon.com/images/I/71B6ThjtsQL.jpg)
![KETOTEK Energy Meter AC40-300V 100A, Digital Display LED Voltmeter Ammeter Active Power Factor Gauge, Volt Amp Watt Current Frequency KWH 6in1 Multifuction Meter Din Rail (Built-in CT) - Image 2](https://m.media-amazon.com/images/I/61LCgEx7LpL.jpg)
![KETOTEK Energy Meter AC40-300V 100A, Digital Display LED Voltmeter Ammeter Active Power Factor Gauge, Volt Amp Watt Current Frequency KWH 6in1 Multifuction Meter Din Rail (Built-in CT) - Image 3](https://m.media-amazon.com/images/I/61BBTc8+TZL.jpg)
![KETOTEK Energy Meter AC40-300V 100A, Digital Display LED Voltmeter Ammeter Active Power Factor Gauge, Volt Amp Watt Current Frequency KWH 6in1 Multifuction Meter Din Rail (Built-in CT) - Image 4](https://m.media-amazon.com/images/I/616L5N2oQ3L.jpg)
![KETOTEK Energy Meter AC40-300V 100A, Digital Display LED Voltmeter Ammeter Active Power Factor Gauge, Volt Amp Watt Current Frequency KWH 6in1 Multifuction Meter Din Rail (Built-in CT) - Image 5](https://m.media-amazon.com/images/I/61-iyS17kqL.jpg)

## Questions & Answers

**Q: For the averages can this meter run in reverse if monitoring the AC side of solar inverters? If not, does anyone have a suggestion for one that can?**
A: No, this meter can not run in reverse.

**Q: Does this measure rms or average ac?**
A: This energy meter measures rms.

**Q: This seller is selling a device that cannot accurately measure power in a us based household. only one "hot" lead is being measured and a house panel**
A: So use two and add them together.

**Q: How many power meters do i need to monitor: phase 1+ n (110v), phase 2 + n (110v), and phase 1 + phase 2 (220v)?**
A: hi it depends on your requirement. You can only use one meter to monitor one of the phase + n .   Or you can use three meters to monitor each phase + n .

## Frequently Bought Together

- KETOTEK Single Phase Energy Meter Din Rail Electricity Usage Monitor AC 40-300V 100A Voltmeter Ammeter Watt Kwh Frequency Power Meter Built-in CT 110V
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**Shop now:** [https://www.desertcart.ro/products/475503511-ketotek-energy-meter-ac40-300v-100a-digital-display-led-voltmeter](https://www.desertcart.ro/products/475503511-ketotek-energy-meter-ac40-300v-100a-digital-display-led-voltmeter)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-01-26*