SPECIFICATIONS

Accuracy Class: 0.001

Battery Included: no

Brand Name: LARKKEY

Certification: CE

Choice: yes

DIY Supplies: Electrical

Dimensions: 11*11*4

Display Type: LCD

Feature: 1P+N 63A

Feature1: DIN-Rail mounting

Feature2: Low power

Feature3: Overt emperature protection

Feature4: over current protection

Feature5: power cut protection

High-concerned chemical: none

Max Operating Current: 20A - 49A

Measuring Energy Range: 1-9999kwh

Model Number: KWS-303

Operating Temperature: 20-150℃

Origin: Mainland China

Output Voltage: 85-290V

Phase: Single-phase

Power Source: AC

Power Supply: AC

Rated Voltage: 270V

Semi-finishedproduct: No

Product Advantage:

1.8-in-1 : Voltage, current, power, frequency, power factor, active energy, timing, and other electrical parameters are displayed on the same screen, making it easy to see and view in real-time.

2. High definition TFT color screen: The 0.96-inch high-definition TFT color screen has a wide viewing angle and high contrast, making it easy to read even in dim indoor environments.

3. Mobile remote control: WiFi networking, cloud remote. A mobile phone is a remote control that allows you to control devices anytime and anywhere with a signal. At the same time, multiple sets of timed data can be added, and power on can be set to save time and effort.

4. Standard guide rail slot: The product is installed using standard guide rails, without the need for screws or fasteners, making installation convenient and easy.

5. Portable and easy to install: The product is compact in size, convenient to carry, and can also be used in distribution boxes. The wiring is also very simple, and it can be easily handled without the need for an electrician.

6.Wide range of applications: widely used in high and low power distribution cabinets,  factories, warehouses, companies, shopping malls, home and other fields.

Product Parameters:

Model: KWS-303WF/KWS-303L/KWS-303

Voltage range: AC85 -290V

Current range: 0-40A

Power range: 0-12KW

Timing range: 99 days

Electric energy range: 0-9999KWH

Temperature range: -20~150 ° C

Frequency range: 50-60Hz

Power factor: 0.00-1.00PF

Power off memory: Yes

Overvoltage protection: Yes

Undervoltage protection: Yes

Timer switch: APP end (Only for model KWS-303WF)

Screen brightness: Yes

Screen Flip: Yes

Battery reset: no

Timer reset: Yes

Curve Chart: APP/PC (Only for model KWS-303WF/KWS-303L)

485 communication: Only for model KWS-303L

Package list:

Multi functional electric meter *1

Note：

① This product is suitable for indoor use.

② The product is only suitable for Alternating Current.

③ The measurement of voltage and current shall not exceed the calibration range.

④ Be sure to connect the wires correctly，connecting the wrong wire can cause the machine to burn out.

⑤The product is measured manually, and the color and size are subject to the actual product.

Tuya WiFi Din Rail Meter

HD color screen single-phase multi-functional AC meter

HD digital display/One-metermultipurpose/Functionalstability

New intelligent upgrade Safe, stable and durable

Comprehensive analysis of core functions powerful

functions are not only here

Eight electrical parameters on one screen Clear data at a glance

Set voltage, current, power, frequency, power factor,

active energy, timing temperature

and other electrical parameters with

just one device,easy to check on time.

0.96 "TFT color screen wide viewing Angle and high contrast

Easy to read even in the dark room

Mobile remote control

You can control the device anytime and anywhere

Timing switch on the meter

Mobile App remote control,can add multiple groups

of timming data as you want.

Share management Support multi people control

Support a mobile phone to control multiple switches,

and can share to multi people to control

Standard din rail mounting design

Adopt standard Din Rail mounting, no screws snap fastening,

easy and conve-nient installation.

Simple wiring diagram installation Low power consumption

1.This product is suitable for indoor use

2.This product is suitable for communication

3.The measured voltage and current shall

notexceed the calibration range

4.Be sure to connect the wires correctly

The display diagram iseasy to install and

operate Setting function Operation:

Long press the ON/OFF key for 5 seconds to enter the setting page.

The following figure provides an example of over voltage protection: