Janitza UMG 103-CBM Power Analyzer (3-Phase, RS485)
Janitza UMG 103-CBM is a compact and highly accurate digital power analyzer designed for low-voltage power distribution systems. Installed on a DIN rail, this device ensures continuous real-time measurement of key electrical parameters, making it ideal for industrial facilities, commercial buildings, and solar power plants.
This model is fully compatible with Huawei inverter series M0, M1, M2, and M3, and supports RS485 communication via Modbus RTU/Slave protocol. It features an integrated clock and backup battery. The built-in 4 MB flash memory can store up to 400,000 measured values — enough for 144 days of recording.
Key Features:
- True RMS measurement up to the 40th harmonic
- Voltage accuracy: 0.2%, Current: 0.5%, Energy: class 0.5S
- Supports TN and TT networks
- Works with single- and three-phase systems up to 480V AC
- 108 data points per period
- DIN35 rail mounting for easy installation
- Low power consumption — max. 1.5 VA
Technical Specifications:
| Manufacturer | Janitza (Germany) |
| Model | UMG 103-CBM |
| Mounting type | DIN35 rail |
| Dimensions | 98 × 71.5 × 46 mm |
| Weight | 200 g |
| Power supply | 1-phase: 115–277 V / 3-phase: 80–277 V (±10%) |
| Max voltage (L-N / L-L) | 277 V / 480 V AC (±10%) |
| Network types | TN, TT |
| Power consumption | Max. 1.5 VA |
| Measurement method | Continuous RMS up to 40th harmonic |
| Current measurement channels | 3 |
| Data logging duration | Up to 144 days |
| Memory | 4 MB (approx. 400,000 values) |
| Clock / Battery | Yes / BR1632 A |
| Communication interface | RS485 (Modbus RTU/Slave) |
| Display | Digital |
| Operating temperature | -25°C to +60°C |
| Humidity range | 5% – 95% (non-condensing) |
| Cooling method | No forced ventilation required |
| Max. installation altitude | Up to 2000 m |
| Protection class | IP20 |
| Warranty | 24 months |
The Janitza UMG 103-CBM is a professional-grade monitoring solution for low- and medium-voltage networks. Its precision and smart integration options make it perfect for solar installations and energy efficiency systems.
For individuals
Prepayment
- Full prepayment - 100% of the amount is paid in advance before the start of the order.
- Partial prepayment - you pay an agreed part of the cost before the start of work or delivery of equipment.
Cashless payment
- through the cash desk of any bank;
- from a personal account (for example, via online banking).
For legal entities
- Payment is made inclusive of VAT.
- All payments are made in full compliance with the current legislation of Ukraine.
- We provide a full package of accounting documents: invoice, act, contract, tax invoice, etc.
Delivery
- In Ukraine, we deliver via popular logistics services (Nova Poshta, SAT, Delivery, etc.).
- Pickup is possible from our warehouse in Poltava (by prior arrangement).
- Installation with delivery - when ordering the equipment installation service, we deliver it directly to the facility.
If you have additional questions about payment or delivery, our manager will be happy to help you!
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