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E9 3/8" Studs 300 Amp Circuit Breaker with Manual Reset

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$34 USD
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E9 3/8" Studs 300 Amp Circuit Breaker with Manual Reset | UL Certified | 12V - 48V DC | Waterproof IP67 Switchable 300A

Compact 300 A automotive circuit breaker with manual reset for up to 48 V DC. Features 3/8" stainless steel studs and protective insulator, meeting SAEJ1625/J1171 and UL1500 ratings. Users note solid construction and easy installation; durability reviews vary

Highlights

  • 300 A current rating
  • manual reset
  • stainless steel studs with insulator

Pros

  • manual reset function
  • high current capacity (300 A)
  • surface mount with 3/8" studs
  • protective stud insulator included
  • meets SAE and UL standards

Cons

  • durability reports vary (some breakage/rust concerns)

Best For

  • trolling motor power circuits
  • boat accessory power distribution
  • utmized for automotive electrical systems
  • surface-mount DC circuit protection
  • 14-48 V DC applications
  • replacement breaker for marine electronics

Features

  • 300 A automotive circuit breaker with manual reset button for 12–48 V DC
  • 3/8 inch stainless steel studs, surface mount with protective stud insulator
  • UL 1500 ignition-protected housing, UL 94V0 thermoplastic
  • Operating temperature range from -32°C to 82°C (-25°F to 180°F)
  • Suitable for boats, RVs, and ATVs

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