The AD-LU 60 FE is a measuring and indicator device for front panel fitting. It covers all measuring values in the three-phase network with neutral conductor. The current measuring is carried out via bushing current transformer at the device. The measuring values are shown on a graphic TFT display in colour and are distributed to different indicators. They can be leafed through manually or time-controlled automatic. A basic variant as purely indicator device and variants with modbus interface and digital outputs for counts or limiting values. Device parameterizing can be carried out via a menu at the device itself or via the optional RS-485 interface.



Monitoring and indication of power in the units. Message if limiting values are exceeded, pulse output for energy count, interrogation of measuring values and counters via modbus.

Specific characteristics

  • Connection of 3 phases with neutral, any load
  • Measurement of P1, P2, P3, Ptot, Q1, Q2, Q3, Qtot, S1, S2, S3, Stot, I1, I2, I3, U1 U2, U3, F, PF1, PF2, PF3, PFtot, harmonics
  • Low power loss in the current measurement by integrated through current transformer
  • Display of measured values on a graphic TFT display
  • Counter for the total absorbed / backfed active energy and inductive / capacitive reactive power
  • Two switching output optocouplers with configurable functions as limit or S0 (device variants D, -DB)
  • RS-485 interface with Modbus-RTU to read out the measured values and to configure the device parameters (device variants -B, -DB)

Business data

Order number
AD-LU 60 FE Basic device
AD-LU 60 FE-D 2 Open Collector Ausgänge
AD-LU 60 FE-B Modbus-RTU
AD-LU 60 FE-DB 2 Open Collector Ausgänge, Modbus RTU
EClass 27210124
Customs tariff number / country of origin 8543 70 90 / Deutschland


Data sheet pdf en-lu60fe.pdf (159 kB)
Instruction manual pdf man-lu60fe-ad-en.pdf (615 kB)
Tender text zip (16 kB)
Safety instructions pdf ad-safety-instructions.pdf (43 kB)

Technical specifications

Current inputs
Measuring ranges 0 ... 1/5/20 A AC
Maximum wire diameter 4,8 mm²
Voltage inputs/supply
Nominal voltage 230 V AC
Rated frequency 50 Hz
Frequency range 40 ... 100 Hz
Measuring range 80 ... 253 V AC
Max. power consumption 4 VA
RS485 interface (-B, -DB)
Software protocol Modbus-RTU
Data format 19200, e, 8, 1
Max. bus users 32
Max. length of bus 500 m (no stubs)
Cable Twisted and shielded
Optocoupler outputs (-D, -DB)
Max switching voltage, switching current 30 V DC, 50 mA DC
Type TFT
Resolution 320x240 Pixel
Class 0,5
Temperature influence 100 ppm/K
Dimensions (WxHxD) 96x96x64 mm
Front panel cut out (bxh) 92x92 mm
Dimensions front IP 54
Type of protection housing IP 20
Connection method Screw clamp
Terminals, wire cross section 2,5 mm² flex wire / 4 mm² one wire
Weight 250 g
Manner of fastening Panel-mounting
Environmental conditions
Ambient temperature -10 ... 50 °C
Storage and transport -10 ... 70 °C (no condensation)
Product family standard EN 61326-1 1)
Emitted interference EN 55011, CISPR11 Cl. B, Gr. 1
Electrical safety requirements
Product family standard EN 61010-1
Overvoltage category II
Pollution degree 2
Safety measurement EN 61010-2-030
Measurement category CAT III
Galvanic isolation, test voltages
Grid side to RS485-Bus 4 kV, 50 Hz (1 min.)
Grid side to control elements 4 kV, 50 Hz (1 min.)
Protection circuits
Voltage inputs PTC resistor
RS485-Bus Electrical surge protection
Optocoupler outputs Electrical surge protection
1) During checking, slight signal deviations are possible.

Block and wiring diagram




CAD / CAE Daten

CAD model is not yet available for this product.

The CAD product overview can be found at:

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