hi thank you for your quick response this is the circuitHi,
You need to provide a lot more informations.
* what exactly is connected to the coil?
* what exactly is connected to the contacts? (Capacitive load, inductive load, motor ....what's the power supply
* what does "the relay burns" exactly mean? Does the contact burn or the coil?
* what's the relay manufacturer and exact type? Link to datasheet..
Upload photos (100kBytes should be sufficient) and a sketch about wiring..
Klaus
hi this is my load, don't know if it's pure resistiveIs it resistive or inductive load? Has the relay a switching power spec for the respective load condition?
Hi thanks for your replayThe electronic load should be almost resistive. The datasheet performance curve howver specifies only 5A switching capacity for 30V DC.
View attachment 174518
If the source is inductive, current will continue.
was the power supply already turned on, when closing the contatctor, or was it turned on after the contacts have been closed? When talking about capacitors which have to be charged, an inductance (of the wiring) actually helps, as it represents a high impedance when closing the realy (fast transient).when I close the relay and switched 10 A all work ok
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