Rayfull SD20MT MID-approved single-phase DIN rail energy meter with 100A direct connection, RS485 Modbus RTU and a real-time clock driving four tariffs across eight time segments. The multi-tariff version of the SD20M, for time-of-use billing and daily or monthly consumption tracking.
Lead time: 8 - 10 Days
Key specifications
MID approved (EN 50470-3:2022)
Class 0.5 active energy, Class 2 reactive (IEC 62053-21/22/23)
1P2W, 230V AC (176–275V), 45–65Hz
0.15–100A direct input, rated 5A, 30× overload for 0.01s
4 tariffs, 8 time segments, RTC accuracy 0.5 s/day
Monthly consumption for the last 12 months, daily for the last 31 days
Bi-directional import/export active and reactive energy, four-quadrant
Meter running time and load running time measurement
Multifunction: V, A, W, var, VA, kWh, kvarh, PF, maximum demand
RS485 Modbus RTU / DL/T645-2007, 1200–38400bps, up to 64 devices, 1000m
1 configurable pulse output, pulse LED 1000 imp/kWh
Large backlit LCD with touch buttons, password protection, low-battery alarm
2 modules (36mm) TH35-7.5 DIN rail, IP51 display / IP30 body
−25°C to +55°C operating, 4kV AC insulation, CAT III