Which is a better rellay BOSCH or SIEMENS
Printed From: the12volt.com
Forum Name: Relays
Forum Discription: Relay Diagrams, SPDT Relays, SPST Relays, DPDT Relays, Latching Relays, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=2092
Printed Date: July 27, 2025 at 10:21 PM
Topic: Which is a better rellay BOSCH or SIEMENS
Posted By: Dan M C
Subject: Which is a better rellay BOSCH or SIEMENS
Date Posted: July 20, 2002 at 7:51 AM
I was just wondering,cause i came across this deal on some SIEMENS rellays,now since most people use BOSCH should i compromise or not to worry,what do you guys think ? Thank you ! ------------- Dan M C
Replies:
Posted By: sparkyssb
Date Posted: July 20, 2002 at 8:32 AM
Do the SIEMENS come with a diode built in? (polarity)
Posted By: Dan M C
Date Posted: July 20, 2002 at 9:11 AM
Virtualy the same as the BOSCH,just concerned with reliability,the shop that sells them claims that they are used same as the BOSCH,in stuff like alarms,etc.
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Dan M C
Posted By: Velocity Motors
Date Posted: July 20, 2002 at 9:24 AM
I've used alot of different relays in the past ( Potter Brummfield, Bosch, Siemens, cheap no name generic brand ) and they all work the same. In the end I would rather pay 75 cents for a relay than $ 5.00 for a brand name one that does the same thing. I have not had a single one of those cheaper relays come back or fail in any of the installs that i've done. ------------- Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
Posted By: Dan M C
Date Posted: July 20, 2002 at 10:02 AM
Thanks Jeff !  ------------- Dan M C
Posted By: Pickle
Date Posted: July 21, 2002 at 10:16 PM
To continue this a bit farther...does anyone have any part numbers for a particular brand's relays? I get strange looks at the generic auto parts stores when I ask for a SPDT relay, and the electronics shops tend to have very expensive, large industrial stuff (too big for motorcycle apps), and/or they've only got 4PDT relays, high pull-in voltage ratings, etc... Anyone have specifics? (Cheaper and smaller, the better, of course...) Thanks, Chris
Posted By: Velocity Motors
Date Posted: July 21, 2002 at 10:39 PM
One member suggested going to an automtive wrecker for cheaper relays. He got quite a few for a couple of dollars and you would have your choice of size and amperage as well. ------------- Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
Posted By: Pickle
Date Posted: July 21, 2002 at 10:51 PM
Ahh...thanks! That makes sense...wide selection & cheap prices...can't beat that!
Posted By: hot_shot_guy123
Date Posted: July 23, 2002 at 9:54 PM
I like the Siemens relays. I used a few cheap ones and they failed, I have never had a problem with these ones though.
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"Light travels faster then sound, that's why some people seem bright until you hear them speak."
hot_shot_guy123
Posted By: Big Dog
Date Posted: July 24, 2002 at 2:19 PM
Hey Pickle, Cheap relays can sometimes be good. I say sometimes because I wouldn't trust a cheapie for ignition or starter kill but for trunk release I'd slap the sucker in inside of a wink.   ------------- Prepare your future. It wasn't the lack of stones that killed the stone age.
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