BCA Origial Equipment. Converter Relay Housing. 135mm (H) x 85mm (W) x 63mm (D). Contains 15 Blade Fuses. 7 x 5amp, 5 x 10amp, 1 x 15amp & 1 x 20amp Blade Fuses. 12v Prewired Fuse board for 12v Electrics on Caravans or Motorhomes.