IP67 DC12-48V Waterproof Car Circuit Breaker 100A Dc Circuit Breaker

Description:
The WLETO DC12-48V 100A Waterproof Mini Circuit Breaker delivers marine-grade overload protection for high-power systems. Featuring IP67 waterproof housing and manual reset lever, this C-curve breaker safeguards 12-48V DC applications like marine audio amplifiers, winches, and solar controllers with 3kA breaking capacity. Its compact thermoplastic body withstands saltwater, UV exposure, and -40°C cold cranking.

Features:
100A High-Current Handling: Precision copper contacts maintain stable voltage under continuous 100A loads
Marine-Spec Waterproofing: IP67-rated casing prevents corrosion in bilges/engine bays
C-Curve Trip Profile: Instant magnetic tripping (6-10x In) for surge protection
Extreme Environment Rated: Operates at -40°C to +85°C (exceeds ISO 8846)
Blade Fuse Replacement: Direct upgrade for traditional automotive fuses
Intelligent Protection:
Triple-fail-safe mechanism:
Magnetic-hydraulic trip unit for overload/short-circuit (3kA break)
Arc chute extinguishes 48VDC arcs
Mechanical trip indicator shows fault status

Electrical Specifications:

Terminals: Tool-free M8 compression lugs (4-8 AWG)

Mounting: DIN rail (35mm) or direct panel mount

Trip Time: <0.1s at 300% load

Conductivity: <0.5mV voltage drop at 100A

Notice:
*For DC systems only - not rated for AC applications
*Max continuous current derates 20% above 40°C

Critical Warnings:
⚠ Torque terminals to 1.6~2.0Nm with copper paste
⚡ Disconnect power before resetting tripped units