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Would a one third horsepower single phase motor that normally operates at 6.8 amps draw 34 amps at start up?
Wiki User
∙ 14y ago
Not usually. The rule of thumb is 300% of the full load amps. The only way that you can check this inrush current is to have a clamp on amp-meter with the setting on Hold. What this does, is sense the highest current at start up and holds the reading on the screen until you release it. If you try and start a motor under a high inertia load the current will rise above a normal inrush level. Disconnect the load from the motor to establish that it is the load that is causing the high amperage and not the motor's internal wiring.
Wiki User
∙ 14y ago
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