Data Sheet

Three-phase multi-function Bi-directional
energy meters with backlit Matrix LCD display.
MID certified for 3 or 4 wire system and single
phase application up to 80 A @ 70°C.
Type 7M.38.8.400.0312
Multi-function energy meter with M-Bus
integrated interface and and S0 output
• Display of total or partial (resettable)
consumption: kWh, kVAh, kvarh
• 2 active energy MID counters + 2 reactive
energy nationally certified counters
• 16 resettable counters
• Scroll to view the following instantaneous
values: V, A, PF, kW, kVA, kvar, Hz, THD V, THD A,
phase angle and direction of power flow
• Matrix backlit LCD display
• Multi-function touch button
• Active energy accuracy Class B according to
EN 50470-3 (MID)
• Reactive energy accuracy Class 2 to EN 62053-23
• Sealable tamperproof terminal shield
• Protection category II
• 35mm rail (EN60715) mount
* M-Bus default transmission baud rate: 2400 bps
7M.38.8.400.0312
• Reference current 5 A (80 A Maximum)
• M-Bus integrated interface and IR communication port
• 3-phase 230/400 V 50/60 Hz system: 3L+N, 3L, 1L+N
• MID certified up to 70°C
L1
(PEN)
L2
L3
L1
T1,T2
R
(PEN)
L2
L3
For outline drawing see page 15
Specification
Reference/Maximum current I
n
/I
max
A 5/80
Starting current I
st
A 0.02
Minimum measured current I
min
A 0.25
Current range (within accuracy class) A 0.5…80
Maximum peak current A 2400 (10ms)
Supply (& monitored) voltage U
N
VAC 3 x 230/400
Operating range (0.8…1.15)U
N
Frequency Hz 50/60
Power consumption per phase W/VA ≤1/7.5
Display Matrix - LCD
Max. totalising count/Min. increment kWh 999999.9/0.1
LED pulses per kWh 1000
LED pulse length ms 4±0.5
Output specification (S0+/S0-)
Number/Type 1 opto-isolated output
Voltage range/Maximum current
(conforming to EN 62053-1) VDC/mA 3.3…27/1…27
Pulse per kWh Imp/kWh 500
Pulse length ms 32 ± 2
Maximum cable length m 1000
M-Bus technical data
Bus System M-Bus
Baud rate* Baud 300…9600
Technical data
Accuracy class IEC EN 50470-3 / IEC EN 62053-23
B/2
Ambient temperature (Within accuracy class) °C –25…+70
Protective class II
Protection category: Housing/terminals IP50/IP20
Approvals (according to type)
IV-2021, www.findernet.com
8
E
7M SERIES
Energy meters
7M
SERIES