7.1 When debugging the current knob, the change of
rated working voltage should be less than ±5%
7.2 For JD-5 and JD-5B, motors whose line current is less
than 6A (JD-6, line current is less than 63A), the three-
phase power line should be looped through the white
wire hole of the protector for several turns in the same
direction, and the small no-load line current of the motor
should be considered. Technical data requirements shall
be met.
7.3 Due to the internal structure, the over current
adjustment scale is not linear. Please refer to the actual
debugging.
7.4 Check the protector performance regularly, such as
phase failure test, overload test, etc.
7.5 It is strictly prohibited to increase the current
potentiometer of the protector when the current and the
motor or the load is abnormal, because it is easy to burn
the motor.
7.6 For the equipment that may cause significant
economic loss or personal safety, make sure that the
technical characteristics and performance value have
enough allowance, and adopt safety measures such as
double circuit protection.
7. Precautions for Operation
1 turn when more than 2A 2 turns when 1-2A 4 turns when 0.5-1A
8
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