600A Heavy Duty Battery Master Switch – Marine & RV Main Power Disconnect 12V-48V

Key Features

• 600A Continuous / 2500A Surge Rating — Handles the heaviest electrical loads on boats, RVs, trucks, and yachts without overheating
• Wide Voltage Range: 12V–48V — Compatible with standard 12V/24V systems and high-voltage 48V setups
• Instant Total Power Disconnect — Single-turn knob cuts all power immediately; essential for emergencies, fire prevention, and theft deterrence
• Detachable Design — Knob separates from base for added security; remove the knob to prevent unauthorized use
• Tin-Plated Copper Terminals (12mm) — Premium conductivity; resists oxidation and corrosion for long-term reliability
• 2-Position & 4-Position Dual Battery Options — Simple ON/OFF or dual battery selector (80% charge / dual bank) to match your setup
• Compact & Panel-Ready — 102 x 102 x 90mm base; fits standard marine and RV electrical panels

Applications

• Marine boats and yachts — main power disconnect and bilge pump isolation
• RVs, motorhomes, and camper vans — battery isolation and parasitic drain prevention
• Trucks, buses, and heavy vehicles — fleet battery management
• Solar and off-grid systems — battery bank disconnect
• Race cars and performance vehicles — safety kill switch

Available Models

• 2-Position (ON/OFF) — SKU: BatteryMasterSwitch-2Position-600A | Simple main disconnect
• 4-Position Dual Battery — SKU: BatteryMasterSwitch-4Position-DualBank | 80% charge mode + dual bank selector

Specifications

• Rated Current: 600A continuous
• Surge Current: 2500A instantaneous
• Voltage: 12V – 48V DC
• Terminal Stud: 12mm tin-plated copper
• Base Dimensions: 102 x 102 x 90mm (H)
• Knob Height: 90mm total | Knob diameter: 38mm
• Internal Dimensions: 90 x 85mm
• Housing: ABS engineering plastic, anti-aging
• Design: Detachable knob for security
• Applications: Marine, RV, truck, bus, yacht, solar
• Origin: China