Motor Safety Switch; Motor Operation - Franklin Electric 264 Serie Manuel D'installation Et D'utilisation

Connection Alternatives
The examples show the usual circuit with a right-hand field and a counterclockwise direction of rotation.
Wye-Delta Starting

Motor Safety Switch

A motor safety switch (overload relay) is mandatory. Only use thermal trips of tripping categories 10A or 10,
with tripping time < 10 s at 500% I

MOTOR OPERATION

Risk of personal injury, or damage to pump or other equipment.
• Damage to the motor and the motor cable is possible due to overheating.
• Make sure that the coolant flow speed along the motor is sufficient.
• Make sure that the short motor cable is always fully surrounded by transport medium for proper
cooling.
(nominal current), phase sensitivity, and temperature compensation.
N
MOTOR OPERATION
Powering the Motor
Direct (DOL)
11