You will find that installing a General Purpose Relay does not require special tools in most hobby projects.
4X NEC ET1-B3M1 Small Automotive Relay – 12 VDC SPDT 25 Amp Contacts – 12V Coil
The General Purpose Relay works well in simple automation setups, and swapping one out takes only minutes.
A nice touch is the generous terminal spacing on this General Purpose Relay for cleaner wire routing and service.
The General Purpose Relay sits neatly on a DIN rail, which makes cabinet organization much simpler and tidier.