Description
The Blue Sea Systems 9001EB-BSS Battery Selector Switch provides a safe and efficient solution for managing multiple battery banks on board boats, motorhomes, and off-grid systems. With a 4-position selector dial, you can isolate or combine battery banks to power your systems as needed.
Featuring a make-before-break contact design, this switch ensures uninterrupted power when switching between batteries. It is ignition protected, allowing installation aboard petrol-powered vessels, and includes an Alternator Field Disconnect (AFD) to prevent alternator damage during switching.
Its tinned copper terminal studs, robust ABS housing, and IP66-rated front panel construction ensure it stands up to the demands of harsh marine environments. The rear or surface mounting options provide flexibility in installation.
Key Features
- 4-position selector switch – manage multiple battery banks easily
- Make-before-break design – prevents power interruption during switching
- Alternator Field Disconnect (AFD) – protects alternators from potential damage
- Ignition protected – suitable for petrol engine compartments
- Rated for 32V DC systems – perfect for marine and off-grid applications
- 350A continuous rating, 600A intermittent (5 min), 1200A cranking (30 sec)
- Accepts 4/0 AWG (120mm²) cables – high-capacity connectivity
- Rear or surface mountable – adaptable for various installs
- Tinned copper 3/8" (M10) studs – corrosion resistant and durable
Specifications
- Product Code: 9001EB-BSS
- Switch Type: 4-Position Selector
- Battery Inputs: 2
- Battery Combine: Yes
- Alternator Field Disconnect: Yes
- Max Voltage: 32V DC
- Continuous Rating: 350A
- Intermittent Rating (5 min): 600A
- Cranking Rating (30 sec): 1200A
- Cable Size to Meet Ratings: 4/0 AWG (120mm²)
- Cable Clearance: 1.10 in (27.94 mm)
- Terminal Stud Size: 3/8" – 16 (M10)
- Stud Material: Tinned Copper
- Terminal Stud Torque: 140 in-lb (15.82 Nm)
- Mounting Hole Size: Accepts 1/4" (M6) Screws
- Mounting Options: Surface or Rear Panel
- Weight: 1.30 lb (0.59 kg)
