Description

BLUE SEA SYSTEMS HD Series Switch
Take command of your vessel´s power with the BLUE SEA SYSTEMS HD Series Switch, the ultimate solution for heavy-duty battery management in demanding marine and vehicle environments. Engineered for exceptional performance and unwavering reliability, this selector switch is designed to handle high-amperage applications with ease. It allows you to confidently manage your power resources by letting you switch isolated battery banks to all loads or combine battery banks to all loads. This critical function ensures you can direct power where it´s needed, isolate banks for charging or maintenance, or combine them for emergency starting power, making it an indispensable component for any robust electrical system.
One of the standout benefits of the HD Series is its seamless power delivery. The innovative make-before-break contact design guarantees that you can switch between battery banks without ever interrupting the power flow. This is crucial for protecting sensitive modern electronics like GPS, fishfinders, and chartplotters from shutting down or needing to reboot during the transition. Furthermore, safety is a top priority in its design. As one of the most dependable battery switches available, it is fully ignition protected, making it certified safe for installation aboard gasoline-powered boats where fumes could be present.
Built to endure the harshest conditions, the HD Series switch boasts a massive 500A continuous rating, ready to manage heavy loads from inverters, windlasses, and bow thrusters. Its impressive intermittent and cranking ratings provide the substantial power needed to start large engines reliably every time. Installation flexibility is also a key advantage, with a thoughtful case design that supports either surface or rear panel mounting to best suit your vessel´s layout. The terminals are designed to accept two 4/0 AWG battery cables, ensuring a secure, low-resistance connection capable of handling maximum current for peak efficiency and safety.
Switches isolated battery banks to all loads or combines battery banks to all loads
Features:
* Make-before-break contact design allows switching between battery banks without power interruption
* Ignition protected—safe for installation aboard gasoline powered boats
* Case design allows surface or rear panel mounting
* Accepts two 4/0 AWG (95mm²) battery cables
Specifications:
* Switch Type: Selector 4 Position
* Switch Positions: 2
* Alternator Field Disconnect: No
* Maximum Voltage: 32V DC
* Continuous Rating: 500A
* Intermittent Rating: 700A (5 min)
* Cranking Rating 10 sec: 2750A
* Cranking Rating 1 min: 1150A
* Battery Inputs: 2
* Cable Clearance For 4/0 AWG Cables: Two Cables / Terminal
* Cable Size to Meet Ratings: 4/0 AWG (120mm²)
* Mounting Holes: Accept 1/4″ (M6) Screw
* Terminal Stud Size: 1/2″ (M12)
* Terminal Stud Torque: 220 in-lb (24.86 Nm)
* Weight: 1.25lb (0.57 kg)