4TECH EES-Y31 HORIZONTAL THREE-PHASE SMART ELECTRICITY METER
General Features
- MID (Measuring Instruments Directive) Certified
- Ability to store information and non-volatile memory even without grid power
- Storage of consumption data for at least the past 1 year in non-volatile memory
- Over 10 years of lithium battery life to protect clock and date against power outages
- On/Off Relay (100 A), (Optional)
- Ability to read consumption and time information via optical port and LCD screen even without grid power
- Ability to divide 4 different day types (weekdays, Saturday, Sunday, public holidays) into 8 different time slots and measure active-reactive energy in 4 different tariffs
- Display of active energy amounts by tariff slots on the LCD screen
- Maximum active demand measurement in 15-minute periods
- Display of notifications on the LCD screen for terminal and top cover opening, critical battery level, clock error, magnetic interference, and communication status
- Automatic summer and winter time adjustment (can be activated or deactivated via communication)
- Display of instantaneous total active-reactive power, instantaneous voltage and current values per phase, instantaneous frequency, terminal and top cover opening dates with Obis codes on the LCD screen
- Display of voltage and current warnings on the LCD screen
- At least 180 days of 15-minute period load profile recording capability
- Programmable demand period (15-30-60 minutes) via communication and monthly manual demand reset via communication or button
- Long-lasting and maintenance-free operation
Features
TECHNICAL SPECIFICATIONS
Feature
Value
Model Name
YM401
Reference Voltage (Un)
230 V
Operating Frequency
50 Hz ±5%
Maximum Current Consumption
0.03 A
IP Class
IP54 (Outdoor)
Protection Class
Two (2)
Operating Temperature
-40 °C, +70 °C
Communication Speed and Interface
RS485, GSM, GPRS, LTE
Related Standards
TS EN 60950-1
Memory
16 MB
Digital Inputs
2 Units
Protocols
IEC 62056-21
Quality Certificates




