General Features; Proper Use And Safety Conditions; General View & Connections - WEG MMW03 User Manual

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1 GENERAL FEATURES

MMW03 is designed to measure current, voltage and frequency parameters in 3-phase systems.
Product Name
MMW03

1.1 PROPER USE AND SAFETY CONDITIONS

„ Installation and wiring must be performed by authorized technicians in accordance with the instructions in
the user manual. Do not commission the device before proper wiring;
„ Make sure the device is de-energized before connecting to the mains;
„ Short circuit the k-l terminals of the current transformer in another location before disconnecting the
current transformers. Failing to do so will cause dangerous high voltages in the secondary terminals of
the current transformers;
„ Use a dry cloth to clean the device. Do not use alcohol, thinner or any abrasive materials;
„ Make sure all wiring is properly made before commissioning the device;
„ Do not open the device. There are no serviceable parts by the user;
„ Keep the device away from humidity, water, vibrations and dust.
CAUTION!
The manufacturing company may not be kept responsible for unfavorable incidents that arise out of the failure to follow the
above cautions.
1.2 GENERAL VIEW & CONNECTIONS
6 | Electronic Multimeter - MMW03
Definition
Electronic Multimeter
V1 V2 V3 I1 I2 I3 SEQ
A
I1
A
I2
A
I3
1
2
V
3
Hz
F
Figure 1.1: Display
Order No.
14386964
MMW03