Product Overview

B-1
Version 1.0 1st Feb. 2021
Easy TeSys catalog
Presentation
Easy TeSys thermal overload relays are designed to protect a.c. circuits and
motors against:
■ overloads
■ phase failure
■ Iong starting time
■ prolonged stalled rotor condition.
The thermal relay permanently controls the current driven by the motor.
When this current exceeds the setting, its auxiliary contacts will change
state, causing the motor to stop.
Description
1 Adjustment dial Ir
2 Test button
Operation of the Test button allows:
- checking of control circuit wiring
- simulation of relay tripping (actuates both the N/O and N/C contacts)
3 Stop button. Actuates the N/C contact; does not affect the N/O contact
4 Reset button
5 Trip indicator
6 Setting locked by sealing the cover
7 Selector for manual or automatic reset
Easy TeSys overload relays are supplied with the selector in the manual
position, protected by a cover.
Deliberate action is required to move it to the automatic position.
Presentation,
description
Easy TeSys thermal overload relays