• 【Momentary Push Button】 - This push start button switch is momentary push button switch design, which normally stays at the OFF position, press and hold to switch ON, release to switch OFF.
• 【Heavy Duty】 - Heavy duty design push button start switch, which is rated at 12V 50A. Each starter button will come with two max rating terminals to meet a wider range of install demand.
• 【Weatherproof】 - Each push button starter switch will be equiped with a black neoprene cover, which makes the starter button waterproof and dustproof.
• 【Mounting Hole Size】 - The mounting hole size for this push button switch 12v is 5/8 inch (15.5mm). The height of the horn button switch is 2.46 inch (62.5mm, without cover), and the diameter is 1.14 inch (about 29mm).
• 【Wide Application】 - The cover of the button enables the momentary push button to be used in extreme environment, it is widely used as the horn, ignition and starter push button for automotive, car, truck, lawn tractor, marine, boat, etc.

Features: 

 - For automotive, marine, boats, and much more applications 
 - Heavy Duty (50 amps) push-button momentary switch that is dust and moisture resistant 
 - 12V DC, 50A, SPST (single pole, single throw) 
 - Contacts are pure copper for long life 
 - Some sellers advertise the contact as being silver. But this is not true. They are all copper 
 - Screw terminals are brass, nickel plated 
 - Recommended mounting hole: 0.625" (5/8") 
 - Maximum panel thickness: 0.500" (1/2") without boot; 0.312" (5/16") with boot 
 - CAUTION: Disconnect negative battery cable before installation 
 - Life: = >10000 Times Presses (Factory Tested. Minimum press test > 10000 times)

Q & A:

Q1: What function is this push button switch achieve?

A1: This 12v push button switch is momentary design, which acts as push & hold to switch ON, release to switch OFF.

Q2: What size hole is required for mounting this momentary push button?

A2: The mounting hole size for this starter push button is 3/8" (15.5MM).

Q3: What is included in the pakcage?

A3: The package includes 1 x engine start button.