(reference value at 25 °C [77 °F]). For the insulation resistance of other motors, consult
the manufacturer’s instructions.
Note:
Moisture inside the motor casing reduces the insulation resistance. If moisture is
suspected, dry the motor and repeat the measurement.
1000 V DC,
>
100 Mohm
U1-V1, U1-W1, V1-W1
U1-PE, V1-PE, W1-PE
M
3~
U1
V1
W1
PE
ohm
ohm
￭ Brake resistor assembly
See section Checking the insulation of the brake resistor assembly (page 332).
146 Electrical installation
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