7KM3120-0BA01-1DA0
Siemens SENTRON PAC3120 Power Monitoring Device - Class 0.5, RS485 Modbus RTU
The Siemens SENTRON PAC3120 is a cost-effective power monitoring device for digital measurement in LV networks. It displays instantaneous, maximum and minimum values, measures active and reactive power (import / export / net) with Class 0.5 accuracy, and communicates over its integrated RS 485 port using Modbus RTU, ready for SENTRON powermanager energy management software.
Price: On request (Siemens price list w.e.f. 01-Jul-2026 lists this model as POR). Contact Aventra Systems for a quotation.
Key Features
- Class 0.5 accuracy
- Display of instantaneous, maximum and minimum values
- Active and reactive power measurement (import / export / net)
- CT polarity reversal correction from the device
- Integrated RS 485 port for Modbus RTU
- AC/DC wide-range power supply 100-250 V ±10%, 50/60 Hz
- Screw terminals
- Works with SENTRON powermanager energy management software
Technical Specifications
| Brand | Siemens |
|---|---|
| Product Range | SENTRON PAC 3120 Power Monitoring Device |
| Order Code | 7KM3120-0BA01-1DA0 |
| Type | Power monitoring device (multi function meter) |
| Display | LCD display |
| Accuracy Class | Class 0.5 |
| Communication | RS 485, Modbus RTU (integrated) |
| Auxiliary Power Supply | AC/DC 100-250 V ±10%, 50/60 Hz (22-65 V DC ELV option on request) |
| Terminals | Screw terminals |
| Mounting | Panel mounted |
| Standard Pack | 1 unit |
| List Price (LP) | Price on request |
Related Models
SENTRON PAC range: PAC3120 (RS485 Modbus RTU), PAC3220 7KM3220-0BA01-1DA0 (dual Ethernet Modbus TCP, dual metering), PAC4220 7KM4220-0BA01-1EA0 (Class 0.2s, gateway, harmonics up to 63rd) - all price on request
Typical Applications
LT panels, PCC / MCC, main and sub-distribution boards, DG and transformer feeders, energy monitoring in industry, commercial buildings and infrastructure.
Genuine Siemens product supplied by Aventra Systems. Need a different meter, CTs or a complete metering panel? Contact us for a quotation.