35mm DIN standard guide installation is in line with DIN EN 50022 standard.

2 pole width (modulus 35mm), conforming to DIN 43880 standard.

5+1 bit (99999.9kWh) stepper motor pulse counter display, optional 6+1 bit (999999.9kWh) display.

The LCD screen with white backlight in 7-bit 6+1 format displays active power consumption and other data, and can choose 7+0 bit (99999kWh) display.

Standard configuration passive power pulse output (polarity), optional passive telecontrol power pulse output (non-polarity), easy to connect with a variety of AMR systems.

IEC 62053-31 and DIN 43864 standards.

QDM112R and QDM112L have three LEDs indicating power status (green), power pulse signal (red) and reverse indicator (yellow).

QDM112C has three LEDs indicating power status (green), power pulse signal (red) and communication light (yellow).

Automatic detection of load current trend.

Supports the top, peak, flat, Valley four rates; Built-in two sets of time zone tables, two-day timetable, support the setting of public holidays, can be configured on demand.

Direct access, there are two kinds of wiring options, standard configuration S-type wiring, can choose U-type wiring.

Extension of terminal block cover to protect electricity.

Maximum demand, instantaneous voltage, current, power factor, frequency, active power, reactive power, apparent power, etc.

Built-in current sensor, bidirectional measurement of single-phase two-wire active power consumption, measurement accuracy can reach 0.5S level.

It has a RS485 or M-BUS communication port to realize remote collection and copy function.

Compatible with various communication protocols, including DL/T645-1997, DL/T645-2007, MODBUS-RTU, IEC 62056-21 C Mode.