SMP Push Button Switch

SMP push-button starter switch rated for 60 amps at 12V and 40 amps at 24V, built with silver contacts and a chrome-plated protection collar to prevent accidental engine starts. Heavy-duty sealed housing keeps dust and moisture out while delivering reliable momentary contact for starter engagement.

Features

• 60 amps at 12V, 40 amps at 24V
• Silver contacts with flush terminals
• Chrome-plated protection collar prevents accidental starts
• Sealed housing to keep out dust and moisture
• 5/8" mounting stem with hex back nut

Specifications

• Brand: SMP
• Manufacturer Part #: MCSSB1
• UPC: 091769316822
• Overall Length: 1 13/16 in
• Housing Diameter: 15/16 in
• Mounting Stem: 5/8" diameter, 5/8" long
• Weight: 0.03 lbs

Frequently Asked Questions

What amperage does this switch handle?

60 amps at 12V or 40 amps at 24V — suitable for motorcycle and small automotive starter circuits.

Why does this switch have a protection collar?

The chrome-plated collar prevents accidental starter engagement by requiring deliberate button press, improving safety during maintenance or storage.

What's included in the box?

The push-button switch with hex back nut and bright polished face nut for panel mounting.

How do I mount this switch?

5/8" diameter mounting stem threads into a panel. Use the included hex back nut and face nut to secure it in place.