Mercury 231 AM

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Product code: 231 AM


The meters are designed for single-tariff measurement of active electric energy in three-phase four-wired AC networks. The meters are designed for indoor operation and can be installed in the areas with additional environmental protection (installed inside premises, cabinets or boards).

Metrological performance

Accuracy class 1
Rated voltage, V 3*230/400
Base/peak current, A 5/60
Peak current for direct connection meters during 10 ms 30*I max
Starting current, А 0.02


GOST R 52320, GOST R 52322, GOST R 52323. State registers of Russia and CIS countries. 

Active/total power consumption in each meter voltage circuit at rated voltage, W/V*A 0.5/7.5
Total power consumed by each current circuit, max, V*А 0.1
Calibration interval, years 10
Warranty period, years 3
Mean time between failures, min, h 140,000
Operating temperature range, °C -40 to +55
Weight, max, kg 0.8
Dimensions (LхWхH), mm 157x65x142

— Electrical energy measurement by digital method.

— Energy measurement independently from current circuits phasing (measurement per module).

— Small-size housing with DIN-rail mounting.

Meter modification code structure:

Mercury 231 АМ-01

А – active energy measurement,
М – electromechanical counter,
– code of rated/peak current and voltage, accuracy class,
Rated/peak currents, voltages and accuracy classes

Code Rated (peak) current, A Rated voltage, V Code Accuracy class
01 5/60 3 x 230/400 1/2

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