Specifications:

Voltage range: AC 80-300V
Current range: AC 0-100A (using an external current transformer (CT))
Active power: 0-30000W
Power factor: 1.000–0.000
Energy consumption range: 0-99999 kWh
Cumulative time: 0-999.59 hours
Accuracy: ±1%, ±2 digits
Installation: Standard DIN rail
Dimensions: 64 x 54 x 80 mm
Weight: 143 g
Suitable power: Pure AC only (50-60 Hz); not suitable for inverter outputs or square wave energy.
Functions:

Voltage measurement: Detects and displays voltage from 80V to 300V AC, allowing monitoring of network status.
Current measurement: Measures current up to 100A using an external current transformer, providing an accurate current level.
Active power display: Shows instantaneous power up to 30000 W, helping to understand energy consumption.
Energy calculation (kWh): Tracks total energy consumed, aiding in evaluating long-term electricity use.
Power factor: Allows monitoring of the power factor from 1.000 to 0.000, which is important for maintaining an efficient electrical system.
Cumulative Time function: Displays the total operational time of the device, useful for equipment maintenance.
Usage:

In industrial electrical systems: Helps monitor and analyze energy consumption to optimize the electrical system.
In commercial enterprises and offices: Suitable for monitoring energy consumption to reduce electricity costs and manage energy more efficiently.
In home installations: Used in households to accurately track electricity consumption.
Pros:

Multiple parameter monitoring in one device: Measurements include voltage, current, power, power factor, and energy consumption, providing a comprehensive view of the electrical network.
Compact and easy to install: DIN rail compatible design allows for easy integration into existing electrical panels.
High accuracy: ±1% accuracy class and ±2 digits deviation ensure precise readings.
Standalone power source: The device does not require external power, making it easily adaptable in various systems.
Cons:

Only for pure AC networks: Cannot be used with square wave or inverter outputs, as this may damage the device.
Requires an external CT (current transformer): Additional purchase of a CT is necessary to measure current.
Basic parameters only: No additional diagnostic functions or graphical displays that could assist in more detailed energy analysis.
The DIN rail-mounted multifunction meter is a comprehensive and accurate solution for monitoring various AC electrical parameters. It is ideal for industrial and commercial use, where energy consumption and electrical parameter management are crucial.