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Wiha 45221 Mode D'emploi page 18

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  • FR

Les langues disponibles

  • FRANÇAIS, page 22
Control elements and connections
1
LEDs for indication of the individual
phases L1, L2, and L3
2
LED to display clockwise rotary
direction (right-hand rotation)
3
LED to display counter-clockwise
rotary direction (left-hand rotation)
4
LED to indicate a faulty circuit
Determination of the rotary field direction
Within a three-phase system the sequence of the three phases determine the rotary
direction of a motor connected. The correct phase sequence L1, L2, L3 results in a
clockwise rotation.
To determine the phase sequence, the three terminals L1, L2, L3 are connected to the
three-phase mains in any order.
If the LED "R" lights up, a clockwise rotating field is present. The phase se-
quence is therefore correct.
If the LED "L" lights up, the phase sequence is not correct. In this case, two
connections are reversed.
L1
U
CAT IV/600V
Phase rotation indicator
100 – 700 V AC, CAT IV
L1
3
L
4
EN
L2
L3
V
W
L2
L3
R
1
2
17

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