Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 1426-M5E-DNT |
| Manufacturer | Rockwell Automation / Allen-Bradley |
| Product Type | PowerMonitor 5000 M5 Base Quality Power & Energy Meter |
| Platform / Family | Bulletin 1426 PowerMonitor 5000 |
| Voltage Inputs | 3-phase + neutral; direct connect up to 600 VAC L-L (690 VAC per voltage-sensing documentation), higher voltages via PT ratio scaling |
| Current Inputs | 1 A or 5 A AC secondary from external CTs; CT and PT ratios programmable |
| Accuracy Class | EN 62053-22 Class 0.2; ANSI C12.20 Class 0.2 |
| Voltage / Current Reading Accuracy | ±0.1 % at 25 °C, 50/60 Hz, unity power factor |
| Frequency Range | 40–75 Hz, auto-sensing |
| Measured Parameters | Voltage L-L and L-N, current per phase and total, kW, kVAR, kVA, kWh, kVARh, kVAh, power factor, frequency, demand values, voltage/current unbalance, symmetrical components, THD, crest factor |
| Communication Ports | Native EtherNet/IP (RJ45, 10/100 Mbps); DeviceNet option port |
| Supported Functions | CIP Energy Object, HTML web configuration and data access, network time synchronization, demand synchronization, IEEE 1588 PTP |
| Digital Inputs | Four internally powered 24 VDC status inputs (one usable for demand-period synchronization) |
| Digital Outputs | Three DPDT control relays; one solid-state DPDT KYZ pulse output (80 mA @ 240 VAC/VDC) |
| Control / Supply Power | 120–240 VAC 50/60 Hz, or 120–240 VDC; 24 VDC control-power terminal; control-power consumption approximately 12 VA @ 24 VDC |
| Metering Update Rate | One update per line cycle; 1024 samples per cycle per channel |
| Alarm Capability | Configurable alarms for up to 20 events; sag and swell detection |
| Configuration Features | Webpage configuration, setpoint programming, virtual wiring correction, configuration lock switch |
| Environmental Rating | Operating temperature -20 to +70 °C; storage -40 to +85 °C; 5–95 % non-condensing humidity; 2000 m maximum altitude; indoor use only |
| Mechanical / Weight | 185 mm W × 132 mm H × 178 mm D; approximately 1.85 kg |
| Compliance | UL Listed Component, cULus, CE; UL 61010 / EN 61010 dielectric withstand; UL 508 and CSA 22.2 relay ratings |
| Country of Origin | Malaysia |
Main Features and Advantages
The Allen-Bradley 1426-M5E-DNT combines revenue-grade metering accuracy with the communication flexibility expected in a modern Rockwell Automation architecture. Its EN 62053-22 Class 0.2 and ANSI C12.20 Class 0.2 accuracy classification supports sub-metering and departmental or tenant cost allocation, making it suitable for applications that go beyond simple load indication.High-resolution measurement:The meter monitors four voltage and four current channels on every electrical cycle, capturing 1024 samples per cycle per channel and calculating over 6,000 parameters each cycle. This provides the resolution needed for meaningful demand tracking, load profiling and detection of voltage or current irregularities.Dual-port industrial communication:The native EtherNet/IP port supports the CIP Energy Object, allowing the Allen-Bradley 1426-M5E-DNT to integrate directly with Logix controllers, FactoryTalk View SE/ME and FactoryTalk EnergyMetrics without a gateway. The second DeviceNet port retains compatibility with existing DeviceNet scanners such as the 1756-DNB, 1769-SDN and 1771-SDN, which is useful during phased network migrations.Built-in web server:A standard web interface provides configuration, real-time data access and I/O status without proprietary software. This simplifies commissioning, parameter changes and troubleshooting from a notebook connected to the control network.Configurable inputs and outputs:Four 24 VDC status inputs can monitor external contact closures such as breaker status or WAGES utility inputs. Three DPDT control relays and one KYZ pulse output provide connectivity to SCADA systems, pulse-counting totalizers or demand controllers. Up to 20 events can be assigned configurable alarms.
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