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MULTI-MON
APPENDIX A:
TECHNICAL SPECIFICATIONS
Environmental Conditions
Indoor use only
BFM is intended for operation in environment where normally only nonconductive pollution occurs as defined for pollution
degree 2 (UL61010, 3.6.6.2)
Operating Temperature: -40 to 70 °C (-40 to 158°F)
Storage Temperature: -40 to 80 °C (-40 to 176 °F)
Humidity: 0 to 95 % non-condensing
Altitude: 2,000 m max
Input Ratings
Parameter
Fundamental frequency
AC Voltage
Reference Voltage
Maximum Line to Neutral voltage
Maximum Line to Line voltage
Burden per phase
AC Voltage for Measurement
and Power supply
Isolation
Fuse rating
AC Current
Maximum measurable current Imax
(In=50A)
Test current
Maximum overcurrent for 0.5 cycle of
fundamental frequency
Burden per phase
Isolation
LCD Display
No. of Digits
Operating Temperature:
Non-volatile Memory storage life
RTC storage upon loss of power
Push buttons
Voltage inputs terminal
31-00035—01
Value
50/60 Hz
4 wires, 3 phases+ neutral
(115) 88-136 VAC or
(230/400 - 277/480) 176-320 VAC
320 V
544 V
<1.5 W
Maximal apparent power consumed
from power line < 10 VA
2.5 kV RMS, 60 Hz, 1 min
Leakage current < 0.005A per circuit
Impulse 1.2/50?S 6 kV
6 A, 600 V
36 current circuits
400 A
15 A
3000 A
<1 VA
4 kV RMS, 60 Hz, 1 min
2 Rows, 16 digits in each
-20 to 70 °C (-4 to 158 °F)
20 years
24 Hours minimum
1 Week typical
4
10 AWG Max.
Communication Ports
COM2 (Optional Modules)
SERIAL EIA RS-232 OPTICALLY ISOLATED PORT
Connector Type: DB9 female.
Baud Rate: up to 115.2 kbps.
Supported Protocols: Modbus RTU/ASCII.
RS-422/RS-485 OPTICALLY ISOLATED PORT
Connector Type: removable, captured-wire, 5 terminals.
Wire Size: up to 12 AWG (up to 2.5 mm2).
Baud Rate: up to 115.2 kbps.
Supported Protocols: Modbus RTU/ASCII.
ETHERNET PORT
Transformer-isolated 10/100BaseT Ethernet port.
Connector Type: RJ45 modular.
Supported Protocols: Modbus TCP (Port 502).
Number of simultaneous connections (sockets): 2.
DIAL-UP MODEM PORT
Transformer-isolated internal 56K modem.
Connector Type: RJ11.
Supported Protocols: Modbus RTU/ASCII.
REAL-TIME CLOCK
Accuracy: typical error 1 minute per month @ 25°C
STANDARDS COMPLIANCE
EN50081-2 Generic Emission Standard - Industrial Environment
EN50082-2 Generic Immunity Standard - Industrial Environment
UL61010-1
EN55022: 1994 Class A
EN61000-4-2
ENV50140: 1983
ENV50204: 1995 (900MHz)
ENV50141: 1993
EN61000-4-4:1995
EN61000-4-8: 1993
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