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CLASS 500 ADVANCED KWH/DEMAND METER
SPECIFICATIONS
Input Voltage Configuration:
3-wire (Delta) or 4-wire (WYE)
Mains Voltage Input:
Up to 600 VAC RMS available
Input Power:
6 VA maximum rating
Current Sensor Rating:
Up to 3200 Amp RMS AC available
Power Factor:
.5 leading or lagging
Line Frequency:
50-60 Hz
Metering Accuracy:
Certified to ANSI C12.16
Voltage Operating Range:
+/-10% of rated load
Temperature Range (Class 500):
NEMA 4 (Outdoor) Housing: -20 ºC to +70 ºC
NEMA 12 (Indoor) Housing: -20 ºC to +50 ºC
Relative Humidity Range:
0-95% non-condensing
Altitude:
2000 meters maximum
Voltage Overload:
+25% continuously; +100% for 20 cycles
Current Sensor Overload:
100% for 1 minute without damaging meter
Pollution Degree:
Degree 2 In accordance with IEC 664
Installation (Overvoltage) Category:
Category III
Measurement Category:
Category III
62-0304—05
Outdoor Housing Rating (Model numbers with an R at the
end):
NEMA 4
Indoor Housing Rating (Model numbers without an R at
the end):
NEMA 12
Display Readout:
KWh accumulated
Standard Ranges:
(3 or 4 Wire) 120/208-240V: 100,200,400,800,1600, 3200
Amp
(3 or 4 Wire) 277/480V: 100,200,400,800,1600, 3200 Amp
(4 Wire) 346/600 V: 100,200,400,800,1600, 3200 Amp
RS485 Serial Communication Interface:
Cable Specifications: UL listed/rated telephone cord,
4 conductor, 300VAC, stranded conductors, 22-26 AWG.
Input/Output Voltage: Ground isolated +/-5.4 VDC
Cable Connector: RJ-11 connector
Ckt Input Isolation: 5.3 KVAC
Max Cable Distance: 4000 feet
Max Network Nodes: Maximum cabling nodes 52
including master node
Baud Rate: 9600
Communications Options:
RS232/RS485 (Standard) (Requires E-Mon Energy.)
Telephone Modem (Requires E-Mon Energy.)
Ethernet (Requires E-Mon Energy.)
Modbus RTU or TCP/IP (Requires third-party EMS/BMS.)
BACnet IP or MS/TP (Requires third-party EMS/BMS.)
LONworks TP (Twisted Pair) (Requires third-party EMS/
BMS.)
Recommended In-Line Fuse:
Manufacturer: Littelfuse
Mfg Part No.: KLDR.100
Rating:100 mA, time delay. 600 VAC cartridge fuse
Battery Cell:
Description: Non-rechargeable cell used for memory
retention.
Manufacturer: Eagle-picher
Mfg Part No.: LTC-3PN
Working Voltage: 3.5 Vdc
Current Capacity: 350 mAHr
Electrolyte: Lithium thionyl nitrate
2
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