Tung‑Sol 20A 12‑Volt automatic reset circuit breaker

$19.99

type: Unknown Type
Vendor: CorvairFarmer

Description:

The metal canister is stamped:

TUNG‑SOL — 20A — 12V

This identifies it as a 20‑amp, 12‑volt automatic reset circuit breaker, commonly used in:

  • Headlamp circuits

  • Accessory power feeds

  • Trailer wiring

  • Heavy‑duty electrical harnesses

  • Industrial equipment

The Wagner box labeled C‑11220 is a direct equivalent — Wagner and Tung‑Sol often cross‑referenced each other in the aftermarket.

Key Specs

  • Brand: Tung‑Sol (breaker), Wagner (boxed unit)

  • Model: 20A / C‑11220

  • Voltage: 12V

  • Amperage: 20 amps

  • Type: Automatic reset circuit breaker

  • Terminals: Stud‑type

  • Era: 1950s–1980s automotive & industrial


🚗 Correct Applications

These breakers were used across:

Automotive

  • GM, Ford, Chrysler headlamp circuits

  • Dash harness protection

  • Power window/seat circuits (varies by model)

  • Trailer towing packages

  • RV electrical systems

Heavy‑Duty & Industrial

  • Tractors

  • Forklifts

  • Construction equipment

  • Material‑handling machinery

  • Marine 12V systems

Why They Matter

Vintage circuit breakers are often missing, bypassed, or replaced with incorrect modern parts. NOS units are valuable for:

  • Concours restorations

  • Period‑correct electrical repairs

  • Vintage accessory installations

  • Collectors of electrical components