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Product Description:
The Janitza UMG 801 is a modular power analyzer designed to support comprehensive energy monitoring systems, featuring interfaces such as Modbus and OPC UA. This advanced device combines energy measurement, power quality monitoring, and ground fault detection, providing a versatile and powerful solution for improving energy efficiency and ensuring power quality transparency. It’s ideally suited for use in industrial settings, energy and battery storage systems, as well as commercial facilities like hospitals and data centers.
The UMG 801 includes 4 digital inputs, 4 digital outputs, 1 analog output, 2 Ethernet RJ45 ports, and 4 multifunction inputs. It also features 3 voltage inputs and 8 current inputs, organized into two blocks of four channels each—supporting accurate readings across TN, IT, and TT power networks.
Capable of measuring harmonics up to the 127th order, the UMG 801 is a valuable tool for detecting and diagnosing electrical issues and disturbances. It includes a 4 GB internal memory to store measurement data for trend analysis and long-term performance insights.
Expandable with Additional Measurement Modules
Thanks to its integrated JanBus interface, the UMG 801 allows seamless expansion with current measurement modules. These modules can be mounted directly onto the DIN rail alongside the UMG 801 or each other, with automatic recognition and without the need for looping voltage or bus connections. Up to 10 modules with 2x 4 channels or 3 modules with 6x 4 channels can be connected.
Optional Remote Display
Since the UMG 801 is often installed behind panels, the optional RD 96 remote display offers convenient access for monitoring and configuration. It mounts on the front of the distribution panel and connects via the included 1.8-meter USB cable for easy setup and control.
Key Feartures
Key Feartures
- Versatile Modular Analyzer: Measures voltages up to 1000V CAT III
- All-in-One Functionality: Integrates energy metering, power quality analysis, and ground fault detection
- Flexible Communication Interfaces: Compatible with OPC UA, Modbus TCP/IP, and Modbus RTU over RS485
- Advanced Performance: Features 92 current measurement channels, 4 GB of internal storage, and a 51.2 kHz sampling rate
- Space-Saving Design: Compact DIN-rail mountable unit with a full-color display
- Scalable System: Expandable with modules to support up to 92 additional current channels
- Wide Range of Applications: Ideal for industrial environments, data centers, electrical networks, and offshore installations
- Integrated Power Monitoring: Works seamlessly with GridVis® software for data visualization and reporting
Specifications
Specifications
General Information | |
---|---|
Net Weight (with Plug-in Terminals) | 420 g (0.93 lb)
|
Device Dimensions | Approx. B = 144 mm (5.67 in), H = 90 mm (3.54 in), D = 76 mm (2.99 in) |
Fastening/mounting - Suitable DIN rails - 35 mm (1.38 in)
|
TS 35/7.5 according to EN 60715
TS 35/10 TS 35/15 x 1.5 |
Integrated Memory
|
4 GB
|
Supply Voltage | 24 V DC, PELV |
Certifications | UL Certified |
Voltage measurement
| |
---|---|
Three-phase 4-conductor systems with rated voltages up to
|
480 VLN / 830 VLL (+/-10%) according to IEC
347 VLN / 600 VLL (+/-10%) according to UL |
3-phase 3-conductor systems (grounded) with rated voltages up to
|
830 VL-L (+/-10%) according to IEC
600 VL-L (+/-10%) according to UL |
3-phase 3-conductor systems (non-grounded) with rated voltages up to
|
690 VL-L (+/-10%) according to IEC
600 VL-L (+/-10%) according to UL |
Overvoltage category up to 2000 m |
1000 V CAT III according to IEC 600 V CAT III according to UL 600 V CAT IV according to IEC 300 V CAT III according to IEC 300 V CAT III according to UL |
Resolution
|
16 bit |
Harmonics
|
1 .. 127
|
Interfaces | Protocols |
---|---|
RS485 Interface
3- Wire connection with A, B, GND |
Modbus RTU/Server (formerly slave)
Modbus RTU/Gateway |
Ethernet Interfaces | 2 x RJ45 (separate use)
|
USB interface | USB2.0 Type A
Connection for - External Display - USB Memory Stick |


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€1.739,78 EUR
Bulk order
MODULAR
MODULAR
Supplement new requirements with suitable modules
SPACE-SAVING
Compact basic device with 2 sub-units and expansion modules with 1-4 sub-units
COST-EFFICIENT
Start with just a few functions and expand cost-effectively if required

Energy Management System
Smart Software & Hardware Solutions
Welcome to Elco Solutions, your trusted partner in delivering advanced energy management solutions tailored to meet your business’s needs. With our innovative ElcoEMS software and cutting-edge energy management and power quality hardware in partnership with Janitza Electronics, we empower organizations across Europe to achieve greater energy efficiency, reduce operational costs, and meet the stringent European standards ISO 50001.
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