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NTPM 100D / 110D

Smart Energy Sensor

9-48 VDC, Ethernet, RS485, 1 Digital Output, 2 Relay outputs, up to 31st Harmonic, Alarms

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Electrical characteristics

Power supply

Voltage 9 – 48 V DC
Power consumption Max. 2.5 W

Voltage inputs

Measured voltage (Un) Up to 400 V L-N / 690 V L-L (Wye) or 600 V L-L (Delta)

UL listed up to 347 V L-N / 600 V L-L

Measurement by voltage transformer Support external VT with ratio up to 350
Measurement category CAT III 600 V per IEC 61010-2-030
Frequency range (configurable) 47 – 53 Hz (50 Hz nominal)
57 – 63 Hz (60 Hz nominal)
Network type Single-phase / Two-phase / Two-phase with neutral / Three-phase / Three-phase with neutral
Impedance 5 MΩ
Overload 1.15 Un

Current inputs

Maximum CT primary 5000 A
Rated input current (Ib) 5 A
Supported CT Support external CT with ratio up to 1000
Measured current up to 5000 mA
Starting current 0.001 Ib
Permissible current overload 6 A continuous
20 A  10 sec
50 A   1 sec
Frequency range 47 – 53 (50 Hz nominal)
57 – 63 (60 Hz nominal)

Measuring characteristics

Accuracy class 0.5
Active power measurement precisions class 0.5
Reactive power measurement class 0.5
Power factor (PF) precision class 0.5
Frequency measurement precision class 0.5
Voltage harmonics up to 31st harmonic
Current harmonics up to 31st harmonic
Sampling rate 64 samples / cycle

Relay outputs

Number of outputs 2
Type General purpose
Maximum load voltage 250 V AC / 30 V DC
Maximum load current 1 A

Digital outputs

Number of outputs 1
Type Form A solid state relay
Maximum load voltage 30 V AC / 60 V DC
Maximum load current 125 mA
ON resistance 8 Ω
Isolation 2500 V RMS for 1 minute

Communication

Interfaces 10/100 Mbps Ethernet 1 port
Modbus TCP, ICMP server, DHCP client, Lan Discovery, Web server
RS 485 1 port
Modbus RTU
2.5 kV RMS, double isolated
Protocols Modbus TCP
Modbus RTU

Mechanical characteristics

Dimensions 88 x 94 x 58 mm (5 modules)
Net weight 300 g
Case Material Plastic, PC (UL 94 V-0)
Mounting 35 mm DIN rail
IP degree of protection <IP40

Environment

Operating temperature -25 to 70 °C
Storage temperature -40 to 80 °C
Relative humidity 5 to 95 % non-condensing
Altitude <2000 m
Pollution degree 2

EMC (Electromagnetic compatibility)

Harmonic emissions IEC 61000-3-2 class A
Flicker limitations IEC 61000-3-3 Compliant
Immunity to ESD IEC 61000-4-2 Level 4
Immunity to radiated fields IEC 61000-4-3 Level 3
Immunity to fast transients IEC 61000-4-4 Level 4
Immunity to surges IEC 61000-4-5 Level 4
Conducted RF disturbances IEC 61000-4-6 Level 3
Immunity to magnetic fields IEC 61000-4-8 Level 3
Immunity to voltage dips and interruptions IEC 61000-4-11 Compliant
Radiated RF emissions EN 55011 + EN 55016-2-3 Class A
Conducted RF emissions EN 55011 + EN 55016-2-1 Class A

Safety

Compliant to Low Voltage Directive 2014/35/EU and EMC Directive 2014/30/EU
Standards EN 61010-1:2010
EN 61010-2-030:2010
EN 61326-1:2013
EN 61000-6-2:2005 + AC:2005
EN 61000-6-4:2007 + A1:2011
Protection class Class II according to EN 61010-1:2010

Double insulated for user accessible parts

Sustainability

EU RoHS Directive Compliant
Toxic heavy metal free Yes
Mercury free Yes
WEEE At its end of service life, the product must be disposed of and recycled following specific waste collection regulations on EU markets.

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