PUSH BUTTON

There are many three types of push buttons are available.

1). Single headed push button, spring return.

2). Double headed push buttons, spring return.

3). Emergency stop and mushroom head push button.

RELAY - Reset mode

Reset mode

We can select two paths to resetting the overload relay.

1. Auto reset mode
2. Manual reset mode.

How to set the setting value of the overload relay

Assumed rated current of the motor is equal to the Ina = 18A

This setting is depends on the rated current of the motor.

RELAY

Feature of the Thermal Overload Relay

1. It has current setting dial. We can adjust the rated current of the motor.
2. It has trip indicator.
3. We can test the TOR (Trip On Not).

When trip the overload relay auxiliary contact point change. Therefore, cut the control circuit.