How to set thermal overload relay.
Thermal overload relay testing.
The bimetallic strip gets heated up by the current directly or indirectly and when the current flow exceeds the set value it bends.
Literature technical tips faqs cep7 overload relay test procedures.
Locate the thermal overload switch behind the bottom toe or back panels of most residential clothes washers or dryers.
Dishwasher thermal overload switches can usually be found behind the bottom toe panel.
In case of thermal bymetalic relay.
A thermal overload relay works in the principle of electro thermal properties in a bimetallic strip.
Overload relay working principle thermal overload relay thermal overload relay construction working and application.
Cep7 overload relay field testing procedures.
The overload class 10 20 30 is supposed to be the time in seconds that the relay operates at 500 of rated.
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.
In this post i will complete guide you about how to test a refrigerator thermal overload protector using a multimeter.
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.
It is placed in the motor circuit in such a way that the current to the motor flows through its poles.
What procedure can be used to test the phase loss or overload protection on a cep7 overload relay.
Note that some appliance panels are held in place with small metal clips.
Today i am writing about the refrigerator overload protector testing using multi meter.
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.
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.
As you know that thermal overload protector is designed to protect the refrigerator compressor during over current flow.
Say relay0 625 1 ampere range set at1 ampere.
Thermal overload is widely used for.