KPM312 Three Phase Multi Channel Energy Meter

The KPM312 three-phase multi-channel energy meter features a 35mm DIN rail mount structure and an LCD display. It includes four independent three-phase electrical parameter measurement channels, enabling simultaneous multi-circuit monitoring.

It uses Modbus-RTU as the standard communication method, with data transmission via an RS485 interface and optional WiFi, 4G, or LoRa wireless communication. This model also supports per-channel relay output and temperature measurement expansion functions to meet diverse application needs.

Features

Supports single phase and 3 phase multi channel measurement. Upto 4 loops of 3 phase measurement and 12 loops of single phase measurement. One meter can be used as max 12 meters.
DIN Rail installation structure, small size, suitable for small sites installation.
Clamp CT type, RJ45 wiring of CTs, easy to plug in and install.
Optional wireless WIFI / 4G / LORA communication, save gateway costs for data integration.
Time of Use multi rate energy consumption measuring, can be used for up to 5 rates per day.
Rich extension functions, including temperature, control, digital signal input and other functions.

Functions of KPM312 Three Phase Multi Channel Energy Meter

KPM312 Three Phase Multi Channel Energy Meter
Multi channel measurement: 4 channel 3 phase loop power parameter measurement
Communication protocol: Modbus-RTU, DL/T645, MQTT
Optional function: 4 digital inputs and 4 digital outputs for each channel
4 temperature measurement for each channel
Optional connection: Lora, WiFi, 4G, RS485
Installation method: DIN rail 35MM three phase energy meter

KPM312 Three Phase Multi Channel Energy Meter

KPM312 Three Phase Multi Channel Energy Meter Technical Specification

Working power source	Operating Voltage	AC 85-265V/ DC 80-310V
Working power source	Rated power consumption	< 3VA
Input voltage	Rated voltage	57.7/100V,220/380V,380/660V
	Overvoltage capability	1.2 times rated voltage allowed, continuous work; 2 times the rated voltage allowed 10S
	Rated power consumption	<0.5VA(per phase)
	Measurement range	LN：50~260VAC， LL：90~450VAC
Input current	Rated current	Default 5A, input range 1-6A; optional 1A, input range 1-1.2A
	Overload capacity	1.2 times rated current allowed, continuous work; 20 times the rated current allowed 1S
	Rated power consumption	＜0.75VA/phase（5A）; <0.45VA/phase (1A)
	Measurement range	5A：0~6A； 1A：0~1.2A
Power quality monitor	Harmonic measurement	U/I 2-51^st harmonic distortion rate
	Harmonic distortion rate	Phase voltage，Phase current
	Imbalance rate	Voltage，Current
Measurement accuracy	Voltage	±0.2%（0.01V）
	Current	±0.2%（0.01A）
	Active power	±0.5%（0.01W）
	Reactive power	±2.0%（0.01var）
	Power factor	±0.5%（0.001）
	Frequency	±0.02 (0.01Hz)
	Active energy	±0.5%（0.1kwh）
	Reactive energy	±2.0%（0.1kvarh）
	Temperature	±1℃（1℃）
Communication	communication port	RS485，Photoelectric isolation interface
Communication	Communication protocol	Modbus-RTU, 1200-38400BPS Probibus-DP，9600-12Mbps
DI & DO	Switch value input	4-way passive main line contact DI input, internal supply DC24V power supply
	Relay output	4-Way DO output, contact capacity 250VAC / 5A, 30VDC / 5A
	Analog output	Output range 4-20mA, overload 1.2 times
	Temperature input	Temperature range 0-100℃
Working environment	Operating temperature	-25℃ ~ +70℃
	Storage temperature	-30℃ ~ +75℃
	Relative humidity	5% ~ 95% No condensation
	Altitude	Not more than 4000m
Electrical insulation	Dielectric strength	Power frequency voltage AC 2kV, working time 1 min
	Insulation resistance	＞50MΩ
	Impact voltage	5kV (Peak),1.2/50us
Electromagnetic Compatibility	Electrostatic discharge immunity	IEC61000-4-3, level 4
	Fast pulse group immunity	IEC61000-4-4, level 4
	Surge immunity	IEC61000-4-5, level 4
	Power frequency magnetic field immunity	IEC61000-4-8, level 4

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