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iEM3100 / iEM3200 / iEM3300 series user manual Specifications
DOCA0005EN-04 97
Chapter 9 Specifications
What is in this chapter?
This chapter contains the following sections:
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Mechanical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Environmental characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Measurement accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
MID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Internal clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Modbus communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
LonWorks communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
M-Bus communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
BACnet communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Electrical characteristics
Power system inputs: iEM31•• meters
Power system inputs: iEM33•• meters
Characteristic Value
Measured voltage
Wye: 100 - 277 V L-N, 173 - 480 V L-L ±20%
Delta: 173 - 480 V L-L ±20%
Maximum current 63 A
Measured current 0.5 A to 63 A
Overload 332 V L-N or 575 V L-L
Voltage impedance 3 M
Current impedance < 0.3 m
Frequency 50 / 60 Hz ±10%
Measurement category III
Minimum wire temperature rating required 90 °C (194 °F)
Burden < 10 VA at 63 A
Wire 16 mm
2
/ 6 AWG
Wire strip length 11 mm / 0.43 in
Torque 1.8 Nm / 15.9 in•lb
Characteristic Value
Measured voltage
Wye: 100 - 277 V L-N, 173 - 480 V L-L ±20%
Delta: 173 - 480 V L-L ±20%
Maximum current 125 A
Measured current 1 A to 125 A
Overload 332 V L-N or 575 V L-L
Voltage impedance 6 M
Current impedance < 0.2 m
Frequency 50 / 60 Hz ±10%
Measurement category III
Minimum wire temperature rating required 105 °C (221 °F)
Burden < 10 VA at 125 A
Wire 50 mm
2
/ 1 AWG
Wire strip length 13 mm / 0.5 in
Torque 3.5 Nm / 30.9 in•lb