The ISA range of Inverter power supplies manufacturer provides the highest level of control available today in large scale resistance splicer. The ISA-500AR, ISA-1000AR and ISA-2000AR are intelligently packaged in “NEMA” style industrial enclosures and are designed to deliver robust performance in the harshest of production environments. The ISA models can deliver 500, 1000 and 2000 amps of primary welding current, respectively.