Blue Sea Systems Switch Battery HD Series ON/OFF (3000)

The Blue Sea Systems HD Series ON/OFF Battery Switch offers robust single-circuit control, enabling or disconnecting power between a battery and a load group with absolute reliability. Built for marine-grade durability, it features ignition protection, making it safe for installation on petrol-powered boats and vessels.

Engineered to handle extreme loads, this switch supports up to 1750A cranking current, while the continuous 600A rating ensures consistent performance in high-demand electrical systems. The unit’s versatile housing allows for either surface or rear panel mounting, offering installation flexibility for both new builds and retrofits.

With the ability to connect 4/0 AWG battery cables, it is perfectly suited for heavy-duty applications across commercial, leisure, and off-grid marine systems.

Key Features

• Single circuit ON/OFF control: reliable battery isolation
• Ignition protected: safe for petrol-powered boat compartments
• Heavy-duty capacity: 600A continuous and 1750A cranking for 30 sec
• 900A intermittent rating (5 min): handles temporary high loads
• Surface or rear panel mounting: installation flexibility
• Accepts 4/0 AWG (95mm²) battery cables: for high-current systems
• Corrosion-resistant design: built for harsh marine environments

Specifications

• Product Type: Single Circuit ON/OFF Switch
• Switch Positions: 2
• Colour: Grey
• Battery Combine Function: No
• Alternator Field Disconnect: No
• Maximum Voltage: 32V DC
• Continuous Rating: 600A
• Intermittent Rating (5 min): 900A
• Cranking Rating (30 sec): 1750A
• Battery Inputs: 1
• Cable Clearance: 1.10 in (27.9 mm)
• Terminal Stud Torque: 220 in-lb (24.86 Nm)
• Compatible Cable Size: 4/0 AWG (95mm²)
• Mounting Options: Surface or Rear Panel