Marine Battery Isolator/Changeover Switch - 4 Positions - 100A Continuous

Price:  £22.80(£19.00 Exc. VAT)

Product code:  P01490


In stock  

In stock


4 position (1 ON  / 2 ON / 1+2 ON / OFF), single pole marine battery isolator / changeover (master) switch rated at 100A continuous use. Features a chunky control knob with a positive switching action.

Used for switching between, or combining, two independent battery banks in charging and discharging applications and for isolation from loads or a charging source. Also useful for preventing parasitic battery drain when left for long periods or as an emergency shut-off in boats and vehicles.

Surface-mounted with slide-out cable entry panels.

Sold individually. Fixings not included.


  • Max. continuous operating current: 100A
  • Max. peak current: 1000A for 5secs
  • Max. voltage: 48V DC
  • Terminal stud size: M8 x 15mm
  • Fixing hole pitch: 55.4mm
  • Fixing hole dia: 5.3mm
  • Overall dims: 69 (L) x 69 (W) x 74 (D) mm

Note: If this switch is used to isolate a starter battery it should not be switched to the OFF position when the engine is running (except in an emergency situation) because there is a high risk of damage to the diodes in the alternator rectifier unit.

Customers who bought this item also bought...:

Be the first to Write a Review for this item!