There are few products that Carling Technologies hasn't turned "ON" and fewer industries that haven't turned to Carling for solutions. With ISO9001 and IATF 16949 registered manufacturing facilities and technical sales offices worldwide, Carling ranks among the world's largest manufacturers of circuit breakers, switches, power distribution units, digital switching systems and electronic control
The 250-3531-500 is a red polycarbonate cap designed for use with 507 series incandescent indicator cartridges.