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Master Relay - Battery Solenoid
12V
24VOverview
|
(Battery Solenoid) - Applicable to all homebuilts. Continuous duty. 12V and 24V. NOT FOR CERTIFIED AIRCRAFT |
Features
- High current capacity control
- Isolated or grounded coils
- Enclosed in dust-resistant case
- Longer steel encasement permits lower heat rise and more sensitive operation on Type 71
Specifications
- Dielectric Strength: 500 Volts
- Temperature Range: -40°F/-40°C to 122°F/50°C
- Mechanical Life (no load): 250,000 operations
- Electrical Life (rated load): 100,000 operations
- Mounting Position: Recommended mounting with cap down
- Vibration: 5 g’s vertical and horizontal planes
- Weight (approximate): Type 70–14.0 oz.
- Duty Cycle: Continuous
- Hardware Torque Specification: Contact Terminal: 45-55 inch-lbs, Coil Terminal: 12-18 inch-lbs.
- Mounting Bracket: 100 inch-lbs. max (a backup wrench must be used to hold the bottom nut stationary during installation)
Documents
- Master Relay Drawing (PDF)
- Data Sheet (PDF)
Reviews
Verified Purchase
Master Relay 111-226
Exact replacement for our original relay which was installed upside down (see FAQ for proper orientation) and failed after 7 years/475 hours. We’ll see if this one lasts longer when installed correctly.
Verified Purchase
Master Relay 111-226
A proven, flight-tested product, and great price and service from Spruce.
Verified Purchase
Master Relay 111-226
should work good
Verified Purchase
Master Relay 111-226
Verified Purchase
Master Relay 111-226
Verified Purchase
Master Relay 111-226
Received promply as ordered
Verified Purchase
Master Relay 111-226
Dont trust your life to a cheap chi-com solenoid. Good stuff
Verified Purchase
Master Relay 111-226
Fast shopping and great service
Verified Purchase
Master Relay 111-226
She was great whom ever I had talked to.
Verified Purchase
Master Relay 111-226
Q&A
Please note, Aircraft Spruce Australia'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 Australia 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.
Per the manufacturer, the answer is no. The terminal going to the coil is the negative side and should go to the master switch, and the positive side of the coil is common to the power terminal.
Regarding part number 11-03161, the maximum inrush rating is 150 amps and the continuous duty rating is 80 amps.
Per the manufacturer, no it does not. Regarding part numbers 11-03161 / 11-05799.
We have added the drawing to the "Documents" tab of this web page. Please review it there.
The 70-111226-5B1 is a 12V continuous duty solenoid, so therefore the coil is rated at approximately 9 watts. Since P= IV. Or, 9=I (12). So for a 12 volt system, the current is 0.75 amps
No, because the starter circuit requires high amperage we do not recommend using this relay.
No, these master relays are intended for use on experimental aircraft only.
The single terminal version is the 12 volt. If you click for the full size image, you will see each image is watermarked with the sku for that product.
"Recommended mounting with cap down" per TDS.
This is shown cap down on our website, the writing is not upside down.
