LEGRAND IME NEMO D4-ec - Technical Characteristics - Digital Inputs and Environment; Digital Input and Operating Environment Specs; EMC and Safety Compliance

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NEMO D4-ec
Three-phase multifunction instrument "Easy Connect" Standard
Manuale d'installazione • Installation manual • Manuel d'installation • Installationsanweisungen • Manual de instalación
• Technical characteristics
Digital inputs
Voltage: 12-24V DC
Current: Max. 10 mA
Operating conditions
Operating temperature: (-25°C) ÷ (55°C) [-13°F ÷ 131°F]
Storage temperature: (-25°C) ÷ (70°C) [-13°F ÷ 158°F]
Humidity: Suitable for tropical climates
Max. dissipated power: < 5 W
Mechanical environment: M1
Electromagnetic environment: E2
Relative humidity: 95% not condensing (EN50472-1)
Installation: Mounting the KWH-meter in a IP51 switchboard
Use: Indoor
CE Marking
The MFD41ORFCDT - MFD42ORFCDT - MFD41ORFCMT - MFD42ORFCMT devices comply with:
• The requirements of the European directe on electromagnetic compatibility (EMC) n° 2014/30/EU
• The low voltage directive n° 2014/35/UE.
• Directive 2011/65/EU modied by directive 2015/863 (RoHS 2).
Electromagnetic compatibility
According to IEC/EN 62052-11 - EN 50470-1
Insulation (IEC/EN 62052-11, IEC/EN 62053-21)
Measurement category: III
Degree of pollution: 2
Insulation voltage, Ui: 300V Phase-Earth
Impulse withstand voltage
- Measuring inputs / Digital I/O inputs
wave 1,2 / 50μs 0,5 J: 6kV
alternate voltage 50Hz / 1 min.: 3kV
- All circuits / earth
alternate voltage 50Hz / 1 min.: 4kV
Front surface: Class II