Nexus Meter Comparison Chart
| Nexus 1500+ | Nexus 1450 | Nexus 1252 | Nexus 1272 | Nexus 1262 | |
|---|---|---|---|---|---|
 |  |  |  |  |
|
| Typical Application Uses | |||||
| Utility and Industrial Switchgear – Power Quality Measurement | Utility and Industrial Switchgear – Power Quality Measurement | Utility and Industrial Switchgear – Power Quality Measurement | Utility and Industrial Revenue Metering with Power Quality Measurement | Utility 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 Class | 0.1 CL | 0.1 CL | 0.2 CL | 0.2 CL | 0.2 CL |
| % Energy Accuracy | 0.06 | 0.06 | 0.06 | 0.06 | 0.06 |
| Current Class | Class 20 or 2 | Class 20 and 2 in one configuration | Class 10, 2, or 0.5 (2 and 0.5 are special order) | Class 20, 10, or 2 | Class 20, 10, or 2 |
| Number of Current Inputs | 4 | 4 | 4 | 3 | 3 |
| Wide Band (20 Hz to 500 Hz) Frequency | |||||
| Voltage Input Range | (5-347) V AC, Line to Neutral | (20 to 720) V AC | 150 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 Line | Option S: 480 V Max Line to Neutral and 600 V Line to Line |
| (10-600) V AC, Line to Line | 300 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 Peak | 16 A/Class 20 | 80 A | 60 A | ||
| Overload Conditions | 100 A | 100 A | 100 A | 100 A | 100 A |
| 10 Sec | 10 Sec | 10 Sec | 10 Sec | 10 Sec | |
| Voltage Pickup | 5 V | 5 V | 2 V | 2 V | |
| Current Pickup | 5 mA/1 mA | 1 mA | 5 mA/1 mA | 5 mA/1 mA | 5 mA/1 mA |
| Advanced Revenue Measurements | |||||
| Test Mode | |||||
| Energy Presets | |||||
| Transformer and Line Loss Compensation | |||||
| CT & PT Compensation | |||||
| Time of Use | |||||
| Accuracy Test Pulse | 2 | 2 | 1 | 1 (Programmable for 5 values) | 1 (Programmable for 5 values) |
| Logging | |||||
| Memory | 4 GB | 1.2 GB | 4 MB | 4 MB | Up to 2 MB |
| Core Log with 172 Automatic Parameters | |||||
| Programmable Historical Logs | 6 | 8 | 2 | 2 | 2 |
| Limit Log | |||||
| I/O Log | |||||
| PQ Log | |||||
| System Events Log | |||||
| Max Stored Waveform Events (before FIFO) | 3, 199 | 5,461 | 95 | 95 | |
| 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 Certified | IEC 61000-4-30 Class A Edition 3 Certified | IEC 61000-4-30 | IEC 61000-4-30 | |
| IEEE 519 | |||||
| EN 50160 PQ Reporting | |||||
| Waveform Sampling Rate | 1024 | 1024 | 512 | 512 | |
| Transient Recording | 50 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 Inputs | 8 (S), 32 (O) | 8 (S), 32 (O) | 8 (S), 32 (O) | 8 (S), 32 (O) | 8 (S), 32 (O) |
| KYZ Inputs | 8 (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 Outputs | 32 (O) | 32 (O) | 32 (O) | 32 (O) | 32 (O) |
| Analog Inputs | 32 (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 Accuracy | 3.5 ppm | 3.5 ppm | 20 ppm | 1 Second per Month | 1 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 Ports | 6 | 6 | 4 | 5 | 5 |
| 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 | |||||
| RS485 | 2 (O) | 4 (S) | 4 (S) | 2 (S) | 2 (S) |
| RS232 | 1 (S) | 1 (S) | |||
| RJ45 Ethernet | 1 (S), 1 (O) | 1 (S) | 1 (O) | 1 (O) | 1 (O) |
| Fiber Optic | 1 (O, in place of optional RJ45) | 1 (O) | |||
| MV90 Support | |||||
| Comtrade Waveforms | |||||
| IPV6 | |||||
| IPV4 with DHCP | |||||
| Data Rates | 1 second, 2 to 20, 1 cycle | 1 second, 2 to 20, 1 cycle | 1 cycle, 1 second, 200 ms | 1 cycle, 1 second, 200 ms | 100 A, 10 seconds |
| Standards Conformity | |||||
| UL 61010-1 | |||||
| ANSI C12.20 - see above | |||||
| IEC 62053-22 | 0.2S | 0.2S | 0.2S | 0.2S | 0.2S |
| IEC 62053-23 | Class 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 DC | 120 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 DC | 24 V DC (-20%) to 48 V DC (+20%) | (18 to 60) V DC | (18 to 60) V DC | |
| Temperature | Operating Temperature: (-20 to +70) ºC/(-4 to +158) ºF | Operating Temperature: (-25 to +70) ºC/(-32 to +158) ºF | Operating Temperature: (-40 to +70) °C/(-40 to +158) ºF | Operating 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 |
| Humidity | 95% Non-condensing | 95% Non-condensing | Up to 95% Non-Condensing | Up to 95% Non-Condensing | Up to 95% Non-Condensing |
| Dimensions | |||||
| 10.74 x 6.74 x 6.91 in/27.28 x 17.12 x 17.55 cm | 7.25 x 10.70 x 3.74 in/18.41 x 27.19 x 9.51 cm | 3.4H x 7.3W x 10.5L in/8.6 x 18.5 x 26.6 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 | 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 Design | Plastic | Metal | Metal | Metal/Plastic | Metal/Plastic |
