User`s guide

V3-T9-56 Volume 3—Power Distribution and Control Assemblies CA08100004E—November 2013 www.eaton.com
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9.3
Metering Devices, Protective Relays, Software and Connectivity
Metering Devices
Technical Data and Specifications
PXM 2250/2260/2270 Electronic Power Meter Technical Information
Current Inputs
●
Class 10: 5 amp nominal,
10 amp maximum
●
Class 2: 1 amp nominal,
2 amp maximum
●
Fault current withstand:
●
100 amps for
10 seconds
●
300 amps for 3 seconds
●
500 amps for 1 second
●
Continuous current
withstand: 20 amps for
screw terminated or pass-
through connections
●
Programmable current:
full scale to any CT ratio
●
Burden: 0.005 VA per
phase maximum at
11 a m p s
●
Pickup current: 0.1% of
nominal
●
Class 10: 5 mA
●
Class 2: 1 mA
●
Connections:
●
Pass-through wire gauge
dimension: 0.177 inches
(4.5 mm)
●
Quick connect: 0.25-inch
(6.35 mm) male tab
Voltage Inputs
●
Range:
●
Line-to-neutral
20–576 Vac
●
Line-to-Line 0–721 Vac
●
Programmable voltage
range: full scale to any
PT ratio
●
Supported systems:
●
Three element wye,
2.5 element wye
●
Two element delta, four-
wire delta systems
●
Input impedance:
1 megohm/phase.
●
Burden: 0.36 VA/phase
maximum at 600V;
0.014 VA at 120V
●
Connection: 7-pin
0.400-inch pluggable
terminal block, AWG
#12–26 (0.129–3.31 mm
2
)
Isolation
●
All inputs and outputs are
galvanically isolated to
2500 volts
Environmental Ratings
●
Operating temperature:
–20ºC to +70°C
●
Storage temperature:
–20ºC to +70°C
●
Operating humidity: to
95% RH noncondensing
●
Faceplate rating:
●
NEMA 12
●
Mounting gasket
included
Sensing Method
●
Voltage, current: true rms
●
Power: sampling at over
400 samples per cycle on
all channels
●
Harmonics resolution:
40th order
Update Rate
●
Watts, VAR and VA:
100 msec at 60 Hz
●
All other parameters:
1 second at 60 Hz
Power Supply
●
AC/DC voltage option:
90–265 Vac at 50/60 Hz or
100–370 Vdc, universal AC/
DC supply
●
DC voltage option:
18–60 Vdc
●
Burden: 10 VA maximum
Serial Communications Format
●
Connection type: RS-485
(through back plate)
●
Com port baud rate:
9600–57,600 bauds
●
Com port address: 01–247
●
Data format: 8-bit, no parity
●
Protocols: Modbus ASCII,
RTU or DNP 3.0
Network Communications
Format
●
Connection type: RJ-45
10/100Base-T Ethernet
network port
●
Protocols: Ethernet TCP/IP,
Modbus TCP, BACnet/IP,
HTTP, HTTPS, NTP, SMTP,
SNMP
KYZ Pulse
●
Contacts: one Form A
●
On resistance, maximum:
35 ohms
●
Peak switching voltage:
350 Vdc
●
Continuous load current:
120 mA
●
Peak load current: 350 mA
(10 ms)
●
Off-state leakage current at
350 Vdc: 1 uA
●
Opto-isolation: 3750 Vac