HowardSmall
15th February 2013, 04:33 PM
I purchased a Tridon Relay TR018 from Super Cheap today to replace the sounder relay in my Defender. When I plugged it in the horn sounded, non-stop.
The relay is supposed to have two normally open contacts with a common input. Checking with the multimeter it actually has a changeover contact set, i.e. one is normally connected to the input and disconnected when the relay is energised while the other is the opposite.
The diagram on the relay is for two normally open contacts as is the info on the packaging and the model number. There is no way, short of testing it with a multimeter, you can tell it is manufactured incorrectly.
Luckily it did not cause any problems when used in the sounder circuit but it could be disastrous in some circuits.
I contacted Tridon Brisbane office who said they became aware of the problem yesterday. They were not willing to send me a replacement or compensate me in any way for the cost and inconvenience of driving to Cairns to get the relay. Told me to sort it out with Super Cheap.
My advice - AVOID BUYING TRIDON BRAND RELAYS.
Howard
The relay is supposed to have two normally open contacts with a common input. Checking with the multimeter it actually has a changeover contact set, i.e. one is normally connected to the input and disconnected when the relay is energised while the other is the opposite.
The diagram on the relay is for two normally open contacts as is the info on the packaging and the model number. There is no way, short of testing it with a multimeter, you can tell it is manufactured incorrectly.
Luckily it did not cause any problems when used in the sounder circuit but it could be disastrous in some circuits.
I contacted Tridon Brisbane office who said they became aware of the problem yesterday. They were not willing to send me a replacement or compensate me in any way for the cost and inconvenience of driving to Cairns to get the relay. Told me to sort it out with Super Cheap.
My advice - AVOID BUYING TRIDON BRAND RELAYS.
Howard