The POLYESTER IGNITION SWITCH-4 MP39800 by Sierra construction has ultimate corrosion protection that gets rid of oxidation. The housing of this switch eliminates potential shorts due to its non-conductivity. The POLYESTER IGNITION SWITCH-4 MP39800 inner barrier secures the contact plate to the cylinder lock. This switch installs in a standard 7/8" diameter hole with 3 Screw tab terminals. Size of 1 -1/8? maximum panel thickness length with four-blade terminal type and includes two keys. The industry-leading warranty for Sierra provides coverage for its ignition switches. Key Features Finest polyester ignition switches for marine application Constructed from rust and corrosion-proof polyester housing 20 Amp rating 4 Position Conventional ignition switches, Positions: Acc - Off - Run - Start Replaces 49-39800, 49-39801, MP3980, MP39800, MP39802, 808282367688, 11-MP39800, 2312139800, 23121398009 Specifications BRAND: SEASTAR SOLUTIONS SKU: MP39800 UPC:023121398009 Weight:0.28 LBS Back-Up Nut: Brass Face Nut: Hex black plastic face nut RATED Ignition: 15 Amp @ 12v DC Solenoid:30 Amp @ 12v DC Accessory: 15 Amp @ 12v DC 4 Position Conventional, Positions: Acc - Off - Run - Start, Terminal Type:4 Blade, Material: Marine grade glass-filled polyester