LV Breaker - Mtr O/L (Motor Overload) Tab

Figure 1: Motor Overload Relay Dialog Box

Option Descriptions
Option Description

Plot Motor Overload Relay TCC

This field can be selected to plot TCC or cleared to avoid plotting the TCC of the motor overload relay which trips the LV breaker.

Motor Overload Relay

To specify the motor overload relay associated with the breaker in protecting the motor.

Mfr

Provides a list of manufacturers available in the device library. If the desired manufacturer is not listed in the device library, you can add it to the library.

Type

Equipment types available from the selected manufacturer. If the desired type is not listed, you can add it to the library.

Style

Motor overload relay styles available from the manufacturer for the type chosen above.

Motor Parameters

Determines the pickup level for the motor overload relay. You can specify the value.

FLA

The full load amps specified for motor, or the relay rating.

Service Factor

Overload factor of the rated amps. This factor does not increase the rating but simply increases the pickup level. You can enter any value between 1.0 and 1.25.

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