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SE-330AU Neutral-Earthing-Resistor Monitor
Rev. 4-I-101817
Ratings ..................................... 100 mA, 250 V (ac or dc)
Closed Resistance ................... 30 to 50
W
Unit Healthy Output K4 (Option 1):
Configuration .......................... N.C. (Form B)
Operating Mode ...................... Open when Healthy
Ratings ..................................... 100 mA, 250 V (ac or dc)
Closed Resistance ................... 25 to 50
W
Auto-reset time ............................ 2.8 s maximum
4-20-mA Analog Output:
Type ....................................... Self Powered and
Loop Powered
Range ..................................... 4 to 22 mA
Loop Voltage ......................... 8 to 36 Vdc
Load ....................................... 500
W
(maximum with 24-
Vdc supply)
Isolation ................................. 120 Vac
Parameter ............................... NER Current, 20 mA=
CT Primary Current
USB Communications:
Baud Rate ................................ 12 Mbit/s
Protocol ................................... USB Device
Connector ................................ Mini B
SD Memory Card:
Type ....................................... Standard Grade
Form Factor ........................... microSD™
(3)
and
microSDHC™
(3)
Format .................................... FAT32
Capacity:
SE-330AU Hardware
Revision 16 and higher ...... 512 MB to 32 GB
SE-330AU Hardware
Revision 15 and lower ....... 512 MB to 4 GB
Operating Temperature:
Standard Grade
(Included) ........................... -25 to 85°C (-13 to 140°F)
Industrial Grade .................. -40 to 85°C (-40 to 140°F)
Terminal-Block Ratings .............. 10 A, 300 Vac, 2.5 mm
2
PWB Conformal Coating ............ MIL-1-46058 qualified,
UL QMJU2 recognized
Mounting Configurations ............ Panel Mount and
Optional Surface Mount
Dimensions:
Height .................................... 213 mm (8.4”)
Width ..................................... 99 mm (3.9”)
Depth ..................................... 132 mm (5.2”)
Shipping Weight ......................... 2.0 kg (4.4 lb)
Environment:
Operating Temperature ......... -40 to 60°C (-40 to 140°F)
Storage Temperature ............. -55 to 80°C (-67 to 176°F)
Humidity ................................ 85% Non-Condensing
IP Rating ................................ IP30
Surge Withstand .......................... ANSI/IEEE C37.90.1-1989
(Oscillatory and Fast
Transient)
EMC Tests:
Verification tested in accordance with IEC 60255-26:2013.
Radiated and Conducted
Emissions ............................
CISPR 11:2009,
CISPR 22:2008,
EN 55022:2010
Class A
Current Harmonics and
Voltage Fluctuations ........... IEC 61000-3-2
and IEC 61000-3-3
Class A
Electrostatic Discharge ........ IEC 61000-4-2
± 6 kV contact discharge
(direct and indirect)
± 8 kV air discharge
Radiated RF Immunity ........ IEC 61000-4-3
10 V/m, 80-1,000 MHz,
80% AM (1 kHz)
10 V/m, 1.0 to 2.7 GHz,
80% AM (1 kHz)
Fast Transient ...................... IEC 61000-4-4
Zone B
± 2 kV (power supply port),
± 1 kV (all other ports)
Surge Immunity ................... IEC 61000-4-5
Zone B
± 1 kV differential mode
± 2 kV common mode
Conducted RF Immunity ..... IEC 61000-4-6
10 V, 0.15-80 MHz,
80% AM (1 kHz)
Magnetic Field
Immunity ............................. IEC 61000-4-8
50 Hz and 60 Hz
30 A/m and 300 A/m
Power Frequency
(4)
.............. IEC 61000-4-16
Zone A: differential mode
100 Vrms
Zone A: common mode
300 Vrms