Energy-400 D PWRi
Energy-400 D PWRi
DIN-rail energy meter (4 modules), for displaying energy consumption, with 3x230 (400) V AC power supply, 1 kWh measurement resolution, pulse output and isolated current inputs. Vemer also provides a version without isolated current inputs: the Energy-400 D PWR.
What is a three-phase energy meter and what it is used for
A three-phase energy meter is a device designed to measure and record electricity consumption in a three-phase system. A three-phase system is a type of electrical system that supplies electricity through three phases and a neutral. This type of system is commonly used in industrial, commercial, and other applications where more electricity is required than a single-phase system. Current insertion must be by current transformer, and the secondaries can be grounded. The device has isolated current inputs.
Device usage
The device features on the front:
- a display for viewing consumption
- a green LED to indicate the presence of power
- a red LED that identifies the energy count (1 blink = 1/4 kWh)
- a yellow LED to indicate a connection error
- a programming button
The total energy meter is not resettable, while the partial energy meter is.
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