Identification Of The Power Terminals And Grounding Points - WEG CFW500 Serie Manual Del Usuario

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3.2.1 Identification of the Power Terminals and Grounding Points

The power terminals can be of different sizes and configurations, depending on the model of
the inverter, according to
control connections are shown in
Description of the power terminals:
L/L1, N/L2 and L3 (R, S, T): AC power supply. Some models of voltage 200-240 V (see
„
option of models in
three-phase inverters) without derating of the rated current. In this case, the AC power supply
can be connected to two of the three input terminals without distinction. For the single-phase
models only, the power voltage must be connected to L/L1 and N/L2.
U, V, W: connection for the motor.
„
-UD: negative pole of the voltage of the DC bus.
„
BR: connection of the brake resistor.
„
+UD: positive pole of the voltage of the DC bus.
„
DCR: connection to the external DC link inductor (optional). Only available for models 28 A,
„
33 A, 47 A / 200-240 V and 24 A and 31 A / 380-480 V.
The maximum torque of the power terminals and grounding points must be checked in
B.3 on page
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DANGER!
Les informations suivantes constituent uniquement un guide pour une
„
installation correcte. Respectez les réglementations locales en vigueur pour
les installations électriques.
Vérifiez que l'alimentation secteur CA est débranchée avant de commencer
„
l'installation.
Le CFW500 ne devra pas être utilisé comme un dispositif d'arrêt d'urgence.
„
Utilisez des dispositifs additionnels appropriés dans ce but.
ATTENTION!
Integral solid state short circuit protection does not provide branch circuit
„
protection. Branch circuit protection must be provided in accordance with
applicable local codes.
Figure B.3 on page
Figure A.3 on page
Table B.1 on page
152.
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Installation and Connection
152. The location of the power, grounding and
140.
141) can operate in 2 or 3 phases (single-phase/
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Figure
CFW500 | 13
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