FAA-PMA APPROVED for Certified AircraftContinuous Duty (Battery/Master Solenoid). Available in 12V and 24V. Activation: -(Ground) to S-Terminal. (Floating ground frame).
All stock meets Service Bulletin 72.
Perfect fit in my 1958 Cessna 175
SKY-TEC STS-M12 BATTERY/MASTER SOLENOID BY LAMAR
Silver contacts should give good service
Performed exactly as advertised. Quality product. Outstanding service.
Fits & functions fine.
A perfect replacement for the 3 post contactor on my Cessna 150.
Exact fit and replacement for my old one. Works perfectly so far.
Product came as Advertised. As always I never had any problems with the great service Aircraft Spruce provides. Thanks
so far so good
Good fit. Solid construction. No more jiggling battery leads to get relay to engage.
to replace an original equipment solenoid in my OLD Mooney, this is the only game in town (and at a reasonable price too). it fit just fine and operates exactly as expected. as usual, no complaints with anything from Aircraft Spruce.
Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
The total current draw is 0.8 amps.
The STS-M12 is for the battery master. The STS-a12 is for Auxiliary master, like a GPU.
The coil terminals are #10's and the power terminals are 5/16ths. It is recommended to mount per the airframe specifications. If none, it is recommended to mount with the cap up.
Per Vendor: This product does not include the diode. You do not need the diode for the part to work correctly, it is simply a safety precaution some like to take. The airframe manufacturer might have a diode they recommend.
12 mo from date of installation of product or 500 hrs - whichever comes first. Log books are required for warranty