ORNO OR-WE-528 Bruksanvisning
ORNO
energikostnads mätare
OR-WE-528
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Product data sheet
ORNO GROUP Sp. z o. o. All rights reserved.
Page 1 / 4
Update date: 2025-07-16 17:08:51
3-phase energy meter, 100A, MID, 4 modules,
installation rail: DIN TH-35mm
Marka: | Symbol: | Ean: Orno OR-WE-528 5908254846540
PRODUCT DESCRIPTION
The three-phase energy meter with a maximum current of 100A is a modern measuring device designed for
precise monitoring of electricity consumption in three-phase installations. The meter may be used for
commercial, industrial and domestic applications where accurate and reliable readings are required.
The unit operates with a rated voltage of 3x230/400V~ and a frequency of 50/60Hz, enabling direct energy
measurement without the need to use current transformers. The device records active, reactive, consumed

Product data sheet
ORNO GROUP Sp. z o. o. All rights reserved.
Page 2 / 4
Update date: 2025-07-16 17:08:51
and released energy. This allows comprehensive monitoring of energy flows in both directions. A minimum
measurement current of 0.25A ensures high sensitivity of the device even at low load.
The digital LCD display (6+2 digits) with backlighting allows comfortable readings even in low light. The unit
also has a sub-meter reset function, particularly useful in situations requiring periodic resetting of readings.
Designed for mounting on a TH-35mm DIN rail, it ensures easy installation in standard switchgears. The
housing measures 72x72x90 mm and fits into a standard 3 DIN modules. The maximum cross-section of the
connection wires is 35 mm². The IP51 rate allows installation in any environment - dry and exposed to water.
The meter has been designed in accordance with standards: IEC 62052-11:2020, IEC 62053-21:2020, IEC
62053-23:2020, EN 50470-1:2006 and EN 50470-3:2007. Compliance with MID 2014/32/EU allows the meter to
be used in commercial spaces where certified equipment is required.
TECHNICAL DATA
General information:
Type of meter:
Elektroniczny
Nominal current (In) [A]:
10
Max. current (Imax) [A]:
100
Min. Current [A]:
0.25
Start current (Ist) [A]:
0.004
Nominal voltage (Un) N-L [V]:
230
Nominal voltage (Un) L-L [V]:
400
Frequency [Hz]:
50
Pulse frequency [imp/kWh]:
1000
Accuracy class [W]:
<12VA <1W
Pole type:
Trójfazowy
Model:
Pomiar bezpośredni
Measurement accuracy class:
1
Energy type:
Moc czynna i bierna
Active power:
Tak
Reactive power:
Tak

Product data sheet
ORNO GROUP Sp. z o. o. All rights reserved.
Page 3 / 4
Update date: 2025-07-16 17:08:51
Forwarded power:
Tak
Reversed power:
Tak
Suitable for:
Pobór/zwrot
Resetting sub-meter possibility:
Tak
Memory support:
EEPROM
Calibrated:
Tak
Approval:
MID (Measuring Instruments Directive)
Pulse output:
Optyczny
Pulse type:
S0
Pulse rate [lmp/kWh]:
1000
Pulse output voltage [V DC]:
12-27
Pulse output current [mA]:
≤27
Multi-tariff:
Nie
Type of indication:
Cyfrowy
Backlight:
Tak
IR port:
Tak
Mounting method:
Adapter szyny DIN
Width in number of modular spacings:
4,3
Max. Cross-section of cables [mm²]:
35
Width [mm]:
72
Depth [mm]:
72
Height [mm]:
90
Temperature Range [°C]:
-40 - +70
Max. Humidity:
≤95%
Type of protocol:
IR
Type of interface:
EN 62056-21
Degree of protection (IP):
IP51
Compliance with:
MID 2014/32/EU
Compliance with standards:
IEC 62052-11:2020 IEC 62053-21:2020 IEC
62053-23:2020 EN 50470-1:2006 EN 50470-3:2006
Produktspecifikationer
Varumärke: | ORNO |
Kategori: | energikostnads mätare |
Modell: | OR-WE-528 |
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