MM-EE-EEM-EM157 - Measuring device - 1744499

One-phase energy meter for active power measurement with direct measurement in networks of up to 276 V/45 A, with RS-485 interface and 2 pulse outputs, operating temperature up to +70°C, certified in accordance with the Measuring Instruments Directive (MID). Product is being prepared for compliance with the Cyber Resilience Act (CRA).

Product type	Energy meter
Product family	ESSENTIAL edition
Insulation characteristics
Protection class	II
Display
Display type	LCD with white backlighting

Electric strength	6 kV
Electric strength		4 kV

Input voltage range	184 V AC ... 276 V
Input current range	45 A AC (Direct measurement)
Power consumption	10 VA (2 W)
Frequency range	50 Hz ... 60 Hz
Active energy (EN 50470-3)	Class B
Real energy (IEC 62053-21)	Class 1
Reactive power (IEC 62053-23)	Class 2

Pulse output
Output description	Passive opto-isolated
Maximum switching voltage	27 V DC
Max. switching current	27 mA

Measurement connection
Designation	Measurement connection
Conductor connection
Connection method	Screw connection
rigid	2.5 mm² ... 10 mm²
Stripping length	8 mm
Tightening torque	1.5 Nm
other connections
Designation	other connections
Conductor connection
Connection method	Screw connection
rigid	0.5 mm² ... 1.5 mm²
AWG	22 ... 14
Tightening torque	0.2 Nm

Automate

Connect

Mark, assemble, and install

Supply, charge, and protect

Switch, Measure and Monitor

MM-EE-EEM-EM157 - Measuring device

1744499

Product details

ECLASS

ETIM

UNSPSC

Compatible products

Note on application
Note on application	As things stand now, we are preparing the product so that, as of December 11, 2027, it will comply with the requirements of the EU Cyber Resilience Act (CRA) based on the information currently available regarding the CRA.

Communication:
Communication protocol	Modbus/RTU
Communication standard	RS-485
Transmission speed range	1200 bps ... 9600 bps
Parity	odd, even, none
Designation	Communication interface
Connection method	Screw connection
Parity	odd, even, none
Communication standard	RS-485
Transmission speed range	1200 bps ... 19200 bps

Item dimensions
Width	18 mm
Height	118 mm
Depth	64 mm
Horizontal pitch	1 HP

Ambient conditions
Degree of protection	(Front)
Degree of protection		IP20 (Connections)
Ambient temperature (operation)	-40 °C ... 70 °C
Ambient temperature (storage/transport)	-40 °C ... 70 °C
Max. permissible relative humidity (operation)	90 %

Standards/specifications	EN 50470-3:2022
Standards/regulations	EN 50470-3:2022

Item number	1744499
Packing unit	1 pc
Minimum order quantity	1 pc
Sales key	CMCC11
Product key	CMCC11
GTIN	4067923309296
Weight per piece (including packing)	116.4 g
Weight per piece (excluding packing)	116.4 g
Customs tariff number	90283019
Country of origin	CN

EU RoHS
Fulfills EU RoHS substance requirements	Yes (No exemptions)
China RoHS
Environment friendly use period (EFUP)	EFUP-E No hazardous substances above the limits
EU REACH SVHC
REACH candidate substance (CAS No.)	No substance above 0.1 wt%

CE
Identification	CE-compliant
MID
Identification	MID-compliant

ECLASS-13.0	27142330
ECLASS-15.0	27142330