Product Description
Key Features
- Power monitoring function: Measures voltage, current, active power, reactive power, power factor, frequency, apparent energy, active energy, and reactive energy.
- Electrical measurement: 3-phase measurement with 45 Hz to 65 Hz measurable line frequency, TRMS voltage and current measurement, and complete measured value detection.
- Rated electrical values: Rated voltage: 690/400 V; rated current: x/1 A or x/5 A AC. Voltage measurement is rated up to 690 V between line conductors.
- Display and interfaces: Color graphics TFT display with 4 keys, 2 Fast Ethernet interfaces using 2 x RJ45, and MODBUS TCP support.
- Supply, mounting, and protection: Wide-range AC/DC power supply: 95 to 250 V AC and 110 to 270 V DC. Panel instrument for stationary panels in closed rooms; front protection IP65 and terminal protection IP20.
Applications
- Voltage measurement: Measures voltage in electrical power systems, including sinusoidal or distorted voltage curves.
- Power and energy measurement: Measures active power, reactive power, power factor, apparent energy, active energy, and reactive energy.
- Power quality measurement: Measures THDu, THDi, and even and odd harmonics per phase up to the 64th harmonic.
Technical Summary
| Product designation | 7KM PAC4220 |
|---|---|
| Product lifecycle | Active Product |
| Display | Color graphics TFT, 54 mm x 72 mm |
| Rated voltage | 690/400 V |
| Rated current | x/1 A or x/5 A AC |
| Line frequency | 45 Hz to 65 Hz; automatic line frequency detection |
| Supply | 95 to 250 V AC; 110 to 270 V DC |
| Communication | 2 x RJ45 Fast Ethernet; MODBUS TCP; 10 Mbit/s or 100 Mbit/s |
| Digital inputs and outputs | 2 digital inputs and 2 digital outputs; screw-type terminals |
| Protection | IP65 front; IP20 terminal |
Frequently Asked Questions
What exact model should be confirmed for this SENTRON power monitoring device?
Confirm Siemens order number 7KM4220-0BA01-1EA0 and product type designation 7KM PAC4220.
What supply voltage does the 7KM4220-0BA01-1EA0 use?
It has a wide-range AC/DC power supply: 95 to 250 V AC and 110 to 270 V DC.
Which communication interface and protocol are provided?
It has 2 Fast Ethernet interfaces with 2 x RJ45 connections and supports MODBUS TCP.
How is the device mounted?
It is a control-panel instrument for stationary panels in closed rooms, with vertical mounting. It is without DIN-rail mounting.
What configuration is supplied regarding digital inputs and outputs?
It has 2 electronic, passive digital inputs and 2 electronic, passive digital outputs, with screw-type terminal connections.
