DDS855 single phase DIN rail watt-hour meter is a kind of new style single phase electrical watt-hour meter, it adopt micro-electronics technique, and imported large scale integrate circuit, use advanced technique of digital and SMT techniques, etc. The meter completely accord with relevant technical requirements of class 1 and class 2 single phase energy meter stipulated in National standard GB/T 17215-2002 and international standard IEC 62053-21 (IEC 61036). It can accurately and directly measure 50Hz or 60Hz active energy consumption from single phase AC electricity net, it can display total energy consumption by step type impulse register. It has following features: Good reliability, small volume, light weight, specious nice appearance, convenient installation, etc.

• 35mm standard DIN rail installation, complying with standard DIN EN5002.
• 18mm width, complying with standard DIN43880
• May select LCD digital 99999.9kWh, 999999.9kWh, 99999.99kWh.
• Standard configuration one port of pulse output passive (polarity).
• Standards configuration one neutral(N) wire connect, may select two neutral wire connect (N-in, N-out) (as special required)
• LCD display meter can select 9999999kWh (equal to 9999.999kWh), which suit to measure small power consumption (as special required)
• Standard configuration short terminal cover may select extension terminal cover, in order to protect to use safety. (as special required)

• 35mm standard DIN rail installation, complying with standard DIN EN5002.
• 4 width (4P) 75mm, complying with standard DIN43880
• May select step motor type pulse register display 99999.9 kWh.
• Standard configuration one port of pulse output passive (polarity).

DTS855 three phase DIN rail watt-hour meter is a kind of new style three phase electrical watt-hour meter, the meter completely accord with relevant technical requirements of class 1 and class 2 three phase energy meter stipulated in National standard GB/T 17215-2002 and international standard IEC 62053-21 (IEC 61036). It can accurately and directly measure 50Hz or 60Hz active energy consumption from three phase AC electricity net, it can display total energy consumption by step type impulse register or LCD display. It has following features: Good reliability, small volume, light weight, specious nice appearance, convenient installation, etc.

1. May select 35mm DIN rail installation and installation on the board
2. Standard configuration "impulse LED" indication, "phase loose LED" indication, "reverse current LED" indication
3. Port of infrared data communication (as special required)
4. May select step motor type pulse register display 99999.9kWh

Notes A: 3×1.5(6)A(5A/CT) can connect directly or connect through current transformer.
Notes B: three phase three wire watt-hour meter also called two phase three wire watt-hour meter in some country.