
Single Circuit ON-OFF Lockable Key Switch - Black | 4Boats
BSS6004200
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Regular price
£50.33
Sale price£47.40
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Marathon Single Circuit ON-OFF switch with locking key, built for marine use on outboards and small petrol or diesel engines — ideal as a marine battery isolator.
- Switch type: Single Circuit ON-OFF
- Colour: Black
- Maximum voltage: 48 V DC
- Stud size: 9.5 mm (3/8")
- Continuous rating: 300 A
- Intermittent rating: 500 A
- Cranking rating (30 s): 900 A
- Stud material: Tinned copper
- Stud torque: 13.56 Nm (120 in-lb)
Locking key provides secure isolation and the robust tinned studs deliver reliable performance for battery and starter circuits.
See our Battery Management collection for related products.

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