Home Products (On)-Off SPST Heavy Duty Button w/ Screw Terminals

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Sealed Black Push Button Switch with Protective Metal Collar – Waterproof Design for Harsh Environments in Industrial, Marine, and Automotive Applications. Durable and Weather-Resistant Switch Ideal for Outdoor Equipment and High-Moisture Installations

(On)-Off SPST Heavy Duty Button w/ Screw Terminals

SW645

$6.85

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Heavy-duty momentary push button, (ON)-OFF SPST: it connects only while held and springs back to off. Rated 50A at 12V DC, with a die-cast metal housing, silver/copper contacts and two screw terminals. Mounts through a 5/8"-32 bushing in panels up to 1/2" thick.

Use it for: 12V starter and engine-start buttons, horns, winch and hoist controls, and other high-current momentary circuits on tractors, trucks and equipment.

Choose something else if: the load needs to stay on — use a latching toggle or rocker switch. Wire very high loads through a relay. See all push button switches.

Priced per piece — order any quantity.

• Action: Momentary (ON)-OFF (spring return to OFF)
• Current Rating: 50A at 12V DC
• Button Cap: Black
• Mounting: 5/8"-32 UNS bushing
• Panel Thickness: Up to 1/2" thick
• Terminals: Two (2) screw terminals
• Construction: Die-cast metal housing
• Contacts: Silver/copper contacts
• Duty: Heavy-duty continuous use

• Starter Buttons & Engine Controls - Momentary activation for engine starters, winches, and heavy equipment where high-current switching is required.

• Emergency Stop & Safety Systems - Provide momentary control for emergency shutdowns, panic stops, or safety interlocks in industrial machinery.

• Automotive & Marine Accessories - Control high-amp accessories like electric winches, anchor windlasses, hydraulic pumps, and power lift gates.

• Heavy Equipment & Agricultural Machinery - Operate hydraulic controls, PTO engagement, implement activation, and auxiliary power systems on tractors and construction equipment.

  • Free Shipping on orders $50+
  • Orders placed before 3pm PST ship same day
  • 30-day no-hassle return
  • Buyer may be liable for return shipping charges

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