This Marinco battery master switch introduces a patented contour lock mechanism that allows independent operation or secure linkage with additional switches for expanded power management. The removable knob rotates to an anti-clockwise 45-degree position for safe disconnection, while tin-plated copper terminals resist corrosion and oxidation.

• Patented contour lock system
• 275-amp continuous, 1250-amp surge rating
• Rotary with removable knob
• Can link multiple switches together
• Manual activation
• Tin-plated copper terminals and studs
• Recessed or surface mount
• 5-year limited warranty