Eastron SDM320-C - Mechanical Characteristics; Environmental Characteristics; Electromagnetic Compatibility; Safety

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EASTRON SDM320-C User Manual
06-2018 V1.0
2018 EASTRON Electronic. All Rights Reserved. www.eastron.com.cn
Input-Voltage
Operational Voltage
176-276VAC
Un
230/400VAC
Impedance
1M Ω
Frequency Range
50/60H
Input- Current
Basic Current
5（100）A
Operational Current Range
0.4%Ib~Imax
Over Current Withstand
30Imax for 0.01S
Impedance
＜1 mΩ
Mechanical Characteristics
IP Degree of Protection (IEC 60529)
IP51 front display
Dimensions (WxHxD)
76x96.5x76.5
Mounting Type
35mm Standard DIN Rail mounting
Material of meter case
Self-extinguishing UL 94 V-0
Mechanical environment
M1
Environmental Characteristics
Operating Temperature
-25 to 55°C
Storage Temperature
-40 to 70°C
Humidity Rating
<95% RH at 50 °C (non-condensing)
Pollution Degree
2
Altitude
2000m
Electromagnetic Compatibility
Electrostatic Discharge
IEC 61000-4-2
Immunity to Radiated Fields
IEC 61000-4-3
Immunity to Fast Transients
IEC 61000-4-4
Immunity to Impulse Waves
IEC 61000-4-5
Conducted Immunity
IEC 61000-4-6
Immunity to Magnetic Fields
IEC 61000-4-8
Immunity to Voltage Dips
IEC 61000-4-11
Radiated Emissions
EN55011 Class A
Conducted Emissions
EN55011 Class A
Harmonics
IEC 61000-3-2
Safety
Measurement Category
Per IEC61010-1
CAT III
Current Inputs
Require external Current Transformer for Insulation
Over voltage Category
CAT III
Dielectric Withstand
As per IEC 61010-1 Double Insulated front panel display
Protective Class
II
Communications
Interface standard and protocol
RS485 and MODBUS RTU
Communication address
1~247
Transmission mode
Half duplex