It is placed in the motor circuit in such a way that the current to the motor flows through its poles.
Thermal overload relay testing.
Thermal overload is widely used for.
Note that some appliance panels are held in place with small metal clips.
The overload class 10 20 30 is supposed to be the time in seconds that the relay operates at 500 of rated.
Overload relay is the one of important device for motor control it can prevent our motor from overheat or winding burning due overload of ampere.
Our normal production test procedure is not something that a customer could easily duplicate however a basic on site test can be run following the examples below.
Anything more specific would have to be furnished by the relay manufacturer as a model dependent time current characteristic curve or band as the case may be.
Overload relay working principle thermal overload relay thermal overload relay construction working and application.
Locate the thermal overload switch behind the bottom toe or back panels of most residential clothes washers or dryers.
Apply3 phase load or current as1 2 ampere 1 3 ampere 1 5 ampere relay point95 96 will take changeover from nc to no another relay point97 98 will changeover from no to nc generally relay was set considering130 140 overload.
How to set thermal overload relay.
A thermal overload relay works in the principle of electro thermal properties in a bimetallic strip.
Thermal overload relay testing manufacturers factory suppliers from china our merchandise are widely recognized and trusted by users and can meet up with continuously changing economic and social needs.
Today i am writing about the refrigerator overload protector testing using multi meter.
In case of thermal bymetalic relay.
In this post i will complete guide you about how to test a refrigerator thermal overload protector using a multimeter.
Dishwasher thermal overload switches can usually be found behind the bottom toe panel.
Say relay0 625 1 ampere range set at1 ampere.
Cep7 overload relay field testing procedures.
Literature technical tips faqs cep7 overload relay test procedures.
As you know that thermal overload protector is designed to protect the refrigerator compressor during over current flow.
What procedure can be used to test the phase loss or overload protection on a cep7 overload relay.
