The DIRIS A-40 is a panel mounted power monitoring device compatible with TE/TR/iTR/TF smart current sensors, suitable for new or existing electrical installations.
The DIRIS A-40 has 3 native digital inputs and 2 digital outputs for additional versatility and includes RS485 Modbus RTU, Ethernet Modbus TCP and BACnet IP, and Profibus DP communication to report measurements to external management systems.

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Fill rate E-Order Common 29
Fill rate E-Order Selection 100
Certificates and Declaration
Conformity to standard #1 UL 61010-1 Guide PICQ File E257746
Conformity to standard #2 CSA-C22.2 No. 61010-1
Conformity to standard #3 IEC 61557-12
Conformity to standard #4 ISO 14025
Proposition 65 California WARNING This product can expose you to chemicals including bisphenol A (BPA), which is known to the State of California to cause birth defects or reproductive harm. For more information go to :
Conformity to standards
  • IEC
  • UL
Certificates and Declaration - Safety
Safety standards IEC/EN 61010-1 UL 61010-2-030 CSA C22.2 No. 61010-2-030
UL file number E257746
General Product Characteristics
Device type Power Metering and Monitoring Device
Technical Characteristics
Application Analysis
Communication ports Profibus DP
Communication protocols Modbus RTU - Profibus
Model A-40
Type 3 inputs/2 outputs
Technical Characteristics - Electrical
Max voltage (Phase/neutral) 50-300VAC (Ph/N)
Technical Characteristics - Environmental
Maximum operating altitude 6560 feet / 2000 m
Operating temperature -10 … +70 °C / +14 °F … +158 °F (IEC 60068-2-1/IEC 60068-2-2)
PEP ecopassport - ISO 14025 SOCO-000007-V01.01-EN
Relative humidity 70 °C / 158 °F / 97% RH (IEC 60068-2-30)
Storage temperature -25 … +85 °C (IEC 60068-2-1/IEC 60068-2-2)
Technical Characteristics - Measurement
Accuracy class Class 0.5
Current measurement type AC
Frequency rating 50/60 Hz
General measurements Currents,I1, I2, I3, In, Isystem, Voltages & frequency, V1, V2, V3, VN, Vsystem, U12, U23, U31,Usystem, f,Powers,P1, P2, P3, ΣP, Q1, Q2, Q3, ΣQ, S1, S2, S3, ΣS, Predictive powers ΣP, ΣQ, ΣS, Power factor, PF1, PF2, PF3, ΣPF,Cos ϕ & tangent ϕ,Instantaneous values per phase,Metering,Active energy: +/- kWh,Reactive energy: +/- kvarh,Apparent power: kVAh,Multi-tariff (8 max.), Hour Meter
Number of Digital inputs/outputs 3 Digital inputs / 2 Digital outputs
Power Quality measurements Voltage unbalanceVdir, Vinv, Vhom, Udir, Uinv, Unba, Vnba, Vnb, Unb,Current unbalance,Idir, Iinv, Ihom, Inba, Inb, Total harmonic distortion,currents THDi1, THDi2, THDi3,THDiN, TDDI,Phase-to-neutral voltage THDv1, THDv2, THDv3,Phase-to-phase voltage THDu12, THDu23,THDu31,Individual harmonics up to 63rd,Currents: I1h, I2h, I3h, INh,Phase-to-neutral voltage: V1h, V2h, V3h,Phase-to-phase voltage: U12h, U23h, U31h
Voltage measurement type AC
ETIM - Electrical characteristics
Accuracy class active energy according to IEC 62053-22 0.2S
Sampling frequency [Hz] 10
Number of voltage measurement inputs 5
Number of current measurement inputs 3
Voltage type (supply voltage) AC/DC
Supply voltage DC [V] 120..120
Measuring range for frequency [Hz] 45..65
Number of analogue outputs 2
Number of digital inputs 3
Number of Ethernet-connections 1
Supporting protocol for PROFIBUS No
Supporting protocol for Modbus Yes
Supporting protocol for other bus systems No
Web server with HTTPS transfer protocol No
ETIM - Mechanical characteristics
Width [mm] 98
Height [mm] 98
Depth [mm] 85
ETIM - Technical features
Ampere meter Yes
Blind power meter Yes
With rotational speed meter No
Frequency meter Yes
Pulse counter Yes
Voltmeter Yes
Effective power measurement device Yes
Display LCD
Remote display No
GTIN/EAN 3596033009143
Customs number 9030310090
Price unit PC
Weight of the packing unit 0.425
Length of the packing unit 0.1
Width of the packing unit 0.12
Depth of the packing unit 0.11
Product Details
Effective date 2017-03-23
Country of origin FR
Discount Policy 1EM10
Discount Policy Label MONITORING DEVICES
UNSPSC 83101808
ETIM Class EC002301
IGCC 6042