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Nexus Meter Comparison Chart

 Nexus 1500+Nexus 1450Nexus 1252Nexus 1272Nexus 1262
Nexus 1500+ Power Quality Meter with Phasro Measurement UnitNexus 1450 Energy Panel Meter with Advanced Power QualityNexus 1252 Energy and Power Quality MeterNexus 1272 Auto-Calibrating Revenue Energy Meter with Power QualityNexus 1262 Auto-Calibrating Revenue Energy Meter
Typical Application Uses
Utility and Industrial Switchgear – Power Quality MeasurementUtility and Industrial Switchgear – Power Quality MeasurementUtility and Industrial Switchgear – Power Quality MeasurementUtility and Industrial Revenue Metering with Power Quality MeasurementUtility and Industrial Revenue Metering
Physical Features
Transducer with Remote Display for Retrofit Installation (O) (O)
Can be Installed Without Cutting Switchboard Panel
Display Mounts into Existing Analog Meter Round Knockouts
Display Options
Remote (O) (O)
Integrated Display
Color Touchscreen Display (O)
Easy to Read
Programmable Display

Meter Features

Basic Measurements and Accuracy
ANSI C12.20 Accuracy Class0.1 CL0.1 CL0.2 CL0.2 CL0.2 CL
% Energy Accuracy0.060.060.060.060.06
Current Class Class 20 or 2Class 20 and 2 in one configurationClass 10, 2, or 0.5 (2 and 0.5 are special order)Class 20, 10, or 2Class 20, 10, or 2
Number of Current Inputs44433
Wide Band (20 Hz to 500 Hz) Frequency
Voltage Input Range (5-347) V AC, Line to Neutral(20 to 720) V AC150 V Line to Neutral, 300 V Line to Line (Standard; for use with PTs)Option S: 480 V Max Line to Neutral and 600 V Line to LineOption S: 480 V Max Line to Neutral and 600 V Line to Line
(10-600) V AC, Line to Line300 V Line to Neutral, 600 V Line to Line (Option G)Option LV: 69 V Max Line to Neutral and 120 V Line to Line Option LV: 69 V Max Line to Neutral and 120 V Line to Line
Current Fault Recording Peak16 A/Class 2080 A60 A
Overload Conditions100 A100 A100 A100 A100 A
10 Sec10 Sec10 Sec10 Sec10 Sec
Voltage Pickup5 V5 V2 V2 V
Current Pickup5 mA/1 mA1 mA5 mA/1 mA5 mA/1 mA5 mA/1 mA
Advanced Revenue Measurements
Test Mode
Energy Presets
Transformer and Line Loss Compensation
CT & PT Compensation
Time of Use
Accuracy Test Pulse2211 (Programmable for 5 values)1 (Programmable for 5 values)
Logging
Memory4 GB1.2 GB4 MB4 MBUp to 2 MB
Core Log with 172 Automatic Parameters
Programmable Historical Logs68222
Limit Log
I/O Log
PQ Log
System Events Log
Max Stored Waveform Events (before FIFO)3, 1995,4619595
Power Quality
Programmable Alarm Alerts
THD
TDD
K-Factor
Harmonics(127th Order)(127th Order)(255th Order)(256th Order)(128th Order)
Flicker
IEC 61000-4-30 Power Quality IEC 61000-4-30 Class A Edition 3 CertifiedIEC 61000-4-30 Class A Edition 3 CertifiedIEC 61000-4-30IEC 61000-4-30
IEEE 519
EN 50160 PQ Reporting
Waveform Sampling Rate10241024512512
Transient Recording50 MHz
CBEMA and SEMI F47 Monitoring
Symmetrical Components and Imbalance (Voltage and Current)
Other
Phasor Measurement Unit P/M
Field Upgrades (V-Switches)
Web Server HTML-5 Web Server with Waveform Analysis
I/O
Digital Inputs8 (S), 32 (O)8 (S), 32 (O)8 (S), 32 (O)8 (S), 32 (O)8 (S), 32 (O)
KYZ Inputs8 (S), 32 (O)8 (S), 32 (O)8 (S), 32 (O)8 (S), 32 (O)8 (S), 32 (O)
Relay Outputs(28-O)16 (O)16 (O)16 (O)16 (O)
KYZ Pulse Outputs(20-O)2 (S), 16 (O)(16-O)4 (S), 16 (O)4 (S), 16 (O)
Analog Outputs32 (O)32 (O)32 (O)32 (O)32 (O)
Analog Inputs32 (O)32 (O)32 (O)32 (O)32 (O)
Expand I/O Using Modules
Time Synchronization
PTP IEEE 1588
IRIG-B
NTP
Line Frequency Sync
DNP Time Sync
End of Interval Pulse
RTC Clock Accuracy3.5 ppm3.5 ppm20 ppm1 Second per Month1 Second per Month
Cyber Security Features
Password Fail Timeouts Eliminate Brute Force Hacking
Passwords
Highly Secure Encrypted Passwords - 128 Bit AES Encryption
Firmware Upgrade Package is Encrypted and Digitally Signed
Role Based Permission Access
Multiple User IDs and Passwords
NERC / CIP Utility Security Protocol Compliance
Physical Security Sealing Points Preventing Tampering
Programmable Web Protocol and Port Control
Communication
2 Separately Addressable Ethernet Ports Using Unique IP Address
Simultaneously Operating Communication Ports66455
Modbus RTU, Modbus ASCII, and Modbus TCP/IP
IEC 61850
IEC 61850 GOOSE
RTU Master
Ethernet Gateway
DNP3 Level 2
GE EGD
SNMP Traps
Speak to SCADA or Other Communication Systems, Simultaneously
Emails on Alarm
Dial-In/Dial Out
ANSI Optical Port
USB Port
RS4852 (O)4 (S)4 (S)2 (S)2 (S)
RS2321 (S)1 (S)
RJ45 Ethernet1 (S), 1 (O)1 (S)1 (O)1 (O)1 (O)
Fiber Optic1 (O, in place of optional RJ45)1 (O)
MV90 Support
Comtrade Waveforms
IPV6
IPV4 with DHCP
Data Rates
1 second, 2 to 20, 1 cycle1 second, 2 to 20, 1 cycle1 cycle, 1 second, 200 ms1 cycle, 1 second, 200 ms100 A, 10 seconds
Standards Conformity
UL 61010-1
ANSI C12.20 - see above
IEC 62053-22 0.2S0.2S0.2S0.2S0.2S
IEC 62053-23Class 2
IEC 61000-4-15
IEC 61000-4-30 - see above
IEC 62586 -2
IEEE C37.118 - PMU
IEEE 519
Power Supply and Environmental
Power Supply Range(100–240) V AC @ 50/60 Hz or (100-240) V DC(96-276) V @ 50/60 Hz or DC120 V AC/DC (-20%) to 230 V AC (+20%)(102 to 270) V AC/DC @50/60 Hz(102 to 270) V AC/DC @50/60 Hz
(18-60) V DC
(24-48 V DC Systems)
(18-60) V DC24 V DC (-20%) to 48 V DC (+20%)(18 to 60) V DC (18 to 60) V DC
TemperatureOperating Temperature: (-20 to +70) ºC/(-4 to +158) ºFOperating Temperature: (-25 to +70) ºC/(-32 to +158) ºFOperating Temperature: (-40 to +70) °C/(-40 to +158) ºFOperating Temperature: (-40 to +85) °C/(-40 to +185) ºF

Display Temperature: (-20 to +60) °C/(-4 to +140) ºF
Operating Temperature: (-40 to +85) °C/(-40 to +185) ºF

Display Temperature: (-20 to +60) °C/(-4 to +140) ºF
Humidity95% Non-condensing95% Non-condensingUp to 95% Non-CondensingUp to 95% Non-CondensingUp to 95% Non-Condensing
Dimensions
10.74 x 6.74 x 6.91 in/27.28 x 17.12 x 17.55 cm7.25 x 10.70 x 3.74 in/18.41 x 27.19 x 9.51 cm3.4H x 7.3W x 10.5L in/8.6 x 18.5 x 26.6 cmSocket: 13” W x 10” D x 11” H/33.02 cm x 25.40 cm x 28 cm

Switchboard: 16” W x 14” D x 10 1/2” H/40.64 cm x 35.56 cm x 26.67 cm

Legacy Switchboard: 16” W x 14” D x 11” H/ 40.64 cm x 35.56 cm x 28 cm
Socket: 13” W x 10” D x 11” H/33.02 cm x 25.40 cm x 28 cm

Switchboard: 16” W x 14” D x 10 1/2” H/40.64 cm x 35.56 cm x 26.67 cm

Legacy Switchboard: 16” W x 14” D x 11” H/ 40.64 cm x 35.56 cm x 28 cm
NEMA 4X Rated Cover for Switchboard
Case DesignPlasticMetalMetalMetal/PlasticMetal/Plastic
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