• Current shorting block with a four pole fused breaker
  • Four poles break together isolating voltage and Neutral
  • Easy links to short out current transformers


The ISSB-14 is a unique din rail isolation and shorting assembly, it is designed so that a meter is fused correctly and should the meter need to be removed it can be done simply with minimum down time. The ISSB-14 is designed for 3 phase 4 wire current transformer operated meters, it consists of a 4 pole fused isolation unit and three sets of current transformer terminals which have independent links enabling the current transformers to be shorted out.