EM120-RTU-2P
EM120-RTU-2P
Wiring example
EM120-RTU-2P
Wiring example
EM120-RTU-2P
Layout

EM120-RTU-2P

Power measurement/display for 1-, 3-phase mains, use of CT, pulse output,, Modbus RTU

Item No. 7760051004
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Individual part of 12 Related products 10
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

General ordering data

Version
Power measurement/display for 1-, 3-phase mains, use of CT, pulse output,, Modbus RTU  
Order No.
7760051004  
Type
EM120-RTU-2P  
GTIN (EAN)
6944169818202  
Qty.
1  items

Dimensions and weights

Depth
65  mm
Depth (inches)
2.559  inch
Height
94.5  mm
Height (inches)
3.72  inch
Width
72  mm
Width (inches)
2.835  inch
Net weight
240  g

Temperatures

Storage temperature
40 °C...70 °C  
Operating temperature
-25 °C...55 °C  
Humidity
0...95 % (no condensation)  

Environmental Product Compliance

RoHS Compliance Status
Compliant  
REACH SVHC
No SVHC above 0.1 wt%  

Measuring current input

Current-measuring channels
3  
Housing main material
Plastic  
Max. current
5000 A  
Measuring accuracy for current
0.5  %
Rated current
via current transformer 1 A/5 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
138…276 V  
Measuring accuracy for voltage
0.5  %
Quadrants
4  
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  
Input type
3 phase AC (3P, 3P +N)  
Secondary side of a current transformer 0-1 A or 0-5 A  
Number of digital inputs
0  
Number of digital outputs
0  
Number of pulse outputs
2  
Temperature input
No  

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
5000 A  
Pollution severity
2  
Power factor input
1 %  
Protection degree
IP51  
Rated current
via current transformer 1 A/5 A  
Type of mounting
DIN rail  
Version
Power measurement/display for 1-, 3-phase mains  
use of CT  
pulse output,  
Modbus RTU  
Measurement range, voltage L-N, AC
138…276 V  
Measurement range, voltage L-L, AC
240…480 V  
Surge voltage category
III  
Voltage supply
85…275 V AC  
Three-wire system
Yes  
Four-wire system
Yes  
Quadrants
4  
Sampling frequency 50/60 Hz
14.4  kHz
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

Pollution severity
2  
Surge voltage category
III  

Connection data

Stripping length
8  mm
Type of connection
Screw connection  
Wire cross-section, solid, min.
0.5  mm²
Wire cross-section, solid, max.
1.5  mm²
Wire connection cross section, finely stranded, min.
0.5  mm²
Wire connection cross section, finely stranded, max.
1.5  mm²
Wire connection cross section, finely stranded, two clampable wires, min.
0.5  mm²
Wire cross-section, finely stranded, two clampable wires, max.
1.5  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  

Approvals

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