What is the definition of ANSI 48/51LR/14 - Locked rotor / excessive starting time?

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Protection of motors against overheating caused by:

excessive motor starting time due to overloads (e.g. conveyor) or insufficient supply voltage.

The reacceleration of a motor that is not shut down, indicated by a logic input, may be
considered as starting.

in normal operation, after a normal start
directly upon starting, before the detection of excessive starting time, with detection of locked rotor by a zero speed detector connected to a logic input, or by

the underspeed function.

Released for:Schneider Electric United Arab Emirates

Published on:14/10/2018Last Modified on:07/10/2024

What is the definition of ANSI 48/51LR/14 - Locked rotor / excessive starting time?

Protection of motors against overheating caused by:

excessive motor starting time due to overloads (e.g. conveyor) or insufficient supply voltage.

The reacceleration of a motor that is not shut down, indicated by a logic input, may be
considered as starting.

in normal operation, after a normal start
directly upon starting, before the detection of excessive starting time, with detection of locked rotor by a zero speed detector connected to a logic input, or by

the underspeed function.

Published on:14/10/2018Last Modified on:07/10/2024

Range:

Sepam series 40

Range:

Sepam series 40

Range:

Sepam series 40

Range:

Sepam series 40