LK33BM

MESS2020 Direct

Product Description


The basic meter LK33BM with direct connection to a 4-wire network is designed to measure active electrical energy in the +A/-A direction (consumption/delivery) in accuracy class A or B.

The meter is equipped with an LCD display, optical interface, optical button, metrological LED, and RS485 (LMN) interface.

LK33BM

Meter typeThree-phase electricity meter for direct measurement of active energy in 3-phase or 4-wire network
Accuracy classA or B
Reference voltage3 x 230/400 V; 2 x 230/400 V; 230 V
Extended operating range0.8 Un ~ 1.2 Un
Reference frequency50 Hz
Extended operating range± 2 %
Current sensorCurrent transformer
Reference current5 A
Transition current0.5 A
Minimum current0.25 A
Starting current20 mA
Maximum current100 A
Optical interfaceEN 62056-21, push, start 600 bps / max. 9600 bps
RS 485 communicationEN 62056-21, pull, 9600 bps
Protection class (electrical)II
Mechanical environmentM1
Electromagnetic environmentE2
Storage conditionsEN 60721-3-2:1999, class 2K4
LifetimeMin. 20 years

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