The ORNO OR-WE-531 three-phase electric meter is designed for accurate monitoring of energy consumption in systems with a rated voltage of 3x230V or 400V AC and a frequency of 50Hz. It measures active energy, both consumed and generated.

Main features:

• Three-phase four-wire system, without current transformers (direct measurement)
• Minimum current: 0.25A
• Starting current: 0.02A
• Maximum current: 80A
• Recording of active energy consumed and released
• LED indicators for the sum of pulses from the 3 phases
• LCD screen with backlight (6+2 digits)
• Active energy sub-meter reset function
• Ability to display up to 27 parameters on the screen
• IR protocol support according to EN 62056-21

Dimensions and installation:

• DIN rail TH-35mm installation
• Case dimensions: 76 x 100 x 65 mm
• Maximum cross-section of connection cables: 35 mm²

In accordance with standards:

• IEC 62056-21 (IEC1107)
• EN 50470-3:2022
• EN IEC 62053-21:2021
• IEC 62052-11:2020
• IEC 62052-31:2015

The meter meets the requirements of MID 2014/32/EU and can be used in commercial areas where certified billing devices are required.

Technical specifications:

• Meter type: Electronic
• Rated current (In) [A]: 5
• Maximum current (Imax) [A]: 80
• Minimum current [A]: 0.25
• Starting current (Ist) [A]: 0.004
• Rated voltage (Un) N-L [V]: 230
• Rated voltage (Un) L-L [V]: 400
• Frequency [Hz]: 50
• Pulse frequency [imp/kWh]: 1000
• Accuracy class [W]: 0.55

Suitable for measuring consumption and energy flow.