overload relay


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overload relay

[′ō·vər‚lōd ‚rē‚lā]
(electricity)
A relay that opens a circuit when the load in the circuit exceeds a preset value, in order to provide overload protection; usually responds to excessive current, but may respond to excessive values of power, temperature, or other quantities. Also known as overload release.

overload relay

A relay in the circuit of a motor which causes the motor to be disconnected from its source of power if the current to the motor exceeds a predetermined value.
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References in periodicals archive ?
The research team confirmed that the developed MIT electromagnetic switch is satisfied with the operating conditions of the overload relay given in a Korean technology standard, Article 5.
Right side exhibits the commercial overload relay and magnetic contact (electromagnet) and the developed electromagnetic switch.
The E300 overload relay easily integrates into the Rockwell Software Studio 5000 control environment from Rockwell Automation via an add-on profile.
Once a motor trips, the overload relays must be allowed to cool down before the conveyor can be restarted.
Tenders are invited for Supply of larsen and toubro make thermal overload relays
Tenders are invited for Supply of bimetal overload relays of lsis
Tenders are invited for Supply, Installation, Testing And Commissioning Of 180 Kw Compressor Control Panel Comprising With Main Switch, Contractors, Overload Relays With Single Phase Preventer, Mcb, Timer, Control Transformer, Control Switch, Push Button, Control Fuses, Vaf Meter, Buzzer, Led Type Run/Trip Indicator And Terminals Etc, Including Operational Logic.