Sealey cable reel 50m 4 x 230v heavy duty thermal trip sealey cr50 1 5 one of a comprehensive range to meet the different requirements of the workshop site office or home environments all models manufactured to comply with the latest bs standards two three or four outlets fitted dependent on model with many incorporating a thermal trip which cuts supply if cable becomes overloaded sealey cr50 1 5 cable reel 50mtr 4 x 230v heavy duty thermal trip