Sierra MP39700-1 4-Position Conventional Marine Ignition Switch

The Sierra MP39700-1 is a 4-position conventional marine ignition switch built to deliver reliable starting and accessory control in demanding marine environments. Engineered with maximum corrosion protection, this switch is an ideal direct replacement for worn or failed ignition switches on a wide range of marine applications.

Key Features:

• 4 switch positions: Accessory – Off – Run – Start
• Non-conductive marine-grade glass-filled polyester housing eliminates potential shorts
• Inner seal between cylinder lock and contact plate for added moisture protection
• Maximum corrosion protection to eliminate oxidation in harsh saltwater and freshwater environments
• Brass backup nut for secure, long-lasting panel mounting
• Knurled black chrome face nut with rubber cap for a clean, finished appearance
• 4 screw-tab terminals for straightforward wiring connections
• Fits standard 7/8" panel cutout
• Accommodates panels up to 1-1/8" thick (long length)

Electrical Ratings:

• Ignition Rating: 15 Amp @ 12V DC
• Solenoid Rating: 30 Amp @ 12V DC
• Accessory Rating: 15 Amp @ 12V DC

The Sierra MP39700-1 marine ignition switch is manufactured to meet or exceed OEM specifications, ensuring a dependable fit and long service life. Whether replacing an aging switch on a powerboat, pontoon, or other watercraft, this switch delivers the quality and durability that Sierra Marine is known for.