EM23 DIN gives three-phase connection to 65A
A
Carlo Gavazzi product story
Edited by the Engineeringtalk editorial team
Jan 23, 2009
Carlo Gavazzi's latest compact and MID-compliant energy meter offers direct three-phase connection up to 65A.
The EM23 DIN is just four DIN modules wide and is simple to use and easy to install, providing comprehensive and accurate measurements for energy cost sharing, cost allocation and utility metering applications.
Direct connection eliminates the need to install current transformers.
The front panel joystick allows simple configuration, removing the need for programming.
The meter is self-powered and gives a warning in the event of reverse phase sequencing.
Its anti-tamper features enable installations to comply fully with the EU Measuring Instruments Directive, annex MI-003.
Active and reactive measurements are displayed on the LCD display, which provides three digits for instantaneous variables and 6+1 digits for energy measurements.
Measurements include system variables (W, var, phase-sequence), single phase current, total kWh and kvarh energy measurements and TRMS measurements of distorted sine waves for voltages and currents.
Accuracy is specified as +/-0.5 RDG for current/voltage and the meter is rated Class 1 (kWh) according to EN62053-21, Class B (kWh) according to EN50470-3 and Class 2 (kvarh) according to EN62053-23.
Pulse output is provided for easy and quick transmission of energy values to PLCs, enabling data to be used, for example, in load priority management programs.
The EM23 DIN operates from -25C to +55C and is protected to IP50 against dust and moisture ingress.
Electromagnetic compatibility is specified according to EN62052-11, with radio frequency suppression to CISPR 22 standards.
The unit also carries CE approval.
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