EM122-RTU-2P
EM122-RTU-2P
Dimensioned drawing
EM122-RTU-2P
Wiring example
EM122-RTU-2P
Wiring example
EM122-RTU-2P
Wiring example
EM122-RTU-2P
Layout

EM122-RTU-2P

Power measurement/display for 1-, 3-phase mains, 100 A, direct measurement, pulse output,, Modbus RTU

Tuotteen tunnus 7760051003
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Approvals General ordering data Dimensions and weights Temperatures Environmental Product Compliance Measuring current input Measuring voltage input Communication Inputs/outputs Measurement data recording Technical data Insulation coordination Connection data Classifications

Approvals

Approvals
![](https://mdcop.weidmueller.com/mediadelivery/rendition/900_319222/-S800/-T1z1mm-S80)  
ROHS
Conform  

General ordering data

Version
Power measurement/display for 1-, 3-phase mains, 100 A, direct measurement, pulse output,, Modbus RTU  
Order No.
7760051003  
Type
EM122-RTU-2P  
GTIN (EAN)
6944169818196  
Qty.
1  items

Dimensions and weights

Depth
66  mm
Depth (inches)
2,598  inch
Height
100  mm
Height (inches)
3,937  inch
Width
72  mm
Width (inches)
2,835  inch
Net weight
350  g

Temperatures

Storage temperature
-40 °C...80 °C  
Operating temperature
-25 °C...55 °C  
Humidity
0...90 % (no condensation)  

Environmental Product Compliance

RoHS Compliance Status
Compliant without exemption  
REACH SVHC
No SVHC above 0.1 wt%  

Measuring current input

AC input cable connection
Screw connection  
Current-measuring channels
3  
Housing main material
Plastic  
Max. current
100 A  
Measuring accuracy for current
0,5  %
Rated current
10 A  

Measuring voltage input

Four-wire system
Yes  
Frequency range, max.
60  Hz
Frequency range, min.
50  Hz
Low voltage network
1 phase 2 wire (L + N)  
3 phase 3 wire (L1 + L2 + L3)  
3 phase 4 wire (L1 + L2 + L3 + N)  
Measurement range, voltage L-L, AC
240…480 V  
Measurement range, voltage L-N, AC
176…276 V  
Measuring accuracy for voltage
0,5  %
Three-wire system
Yes  
Voltage type
AC  

Communication

Addressing
1 - 247  
Baud rate
9600/19200/38400 bit/s  
Communication
Bi-directional  
Parity
none  
even  
odd  
Stop bits
1  
2  
Interface
RS485  
Protocol
Modbus RTU  

Inputs/outputs

Digital output configurable
Yes  
Number of digital inputs
0  
Number of digital outputs
0  
Number of pulse outputs
2  

Measurement data recording

Update interval register
100  ms
Software
EM configuration tools  

Technical data

Display
LCD  
Display monitoring (monitor)
LCD  
Display value
Voltage  
current measured value  
Apparent power  
Reactive power  
Power factor  
Frequency  
Import / export active power demand  
Total import / export active energy  
Total import / export reactive energy  
Total system power demand  
Max. current
100 A  
Pollution severity
2  
Power factor input
1 %  
Protection degree
IP51  
Rated current
10 A  
Type of mounting
DIN rail  
Version
Power measurement/display for 1-, 3-phase mains  
100 A  
direct measurement  
pulse output,  
Modbus RTU  
Measurement range, voltage L-N, AC
176…276 V  
Measurement range, voltage L-L, AC
240…480 V  
Surge voltage category
III  
Three-wire system
Yes  
Four-wire system
Yes  
Sampling frequency 50/60 Hz
4,1  kHz
Continuous measurements
Yes  
Measurement result per second
100  ms
Current-measuring channels
3  
Measuring accuracy for voltage
0,5  %
Measuring accuracy for current
0,5  %
Measurement accuracy for active energy (kWh, .../5 A)
Class 0.5  

Insulation coordination

Impulse withstand voltage
6 kV (1.2/50 µs)  
Insulation voltage input or output/supply
4 kVeff / 1 min.  
Pollution severity
2  
Surge voltage category
III  

Connection data

Stripping length
8  mm
Type of connection
Screw connection  
Wire cross-section, solid, min.
2,5  mm²
Wire cross-section, solid, max.
25  mm²
Wire connection cross section, finely stranded, min.
0,5  mm²
Wire connection cross section, finely stranded, max.
2  mm²
Wire connection cross section, finely stranded, two clampable wires, min.
2,5  mm²
Wire cross-section, finely stranded, two clampable wires, max.
25  mm²

Classifications

ETIM 6.0
EC002301  
ETIM 7.0
EC002301  
ETIM 8.0
EC002301  
ETIM 9.0
EC002301  
ETIM 10.0
EC002301  
ECLASS 9.0
27-14-23-30  
ECLASS 9.1
27-21-03-01  
ECLASS 10.0
27-14-23-30  
ECLASS 11.0
27-14-23-30  
ECLASS 12.0
27-14-23-30  
ECLASS 13.0
27-14-23-30  
ECLASS 14.0
27-14-23-30  
ECLASS 15.0
27-14-23-30