Neo Tele - Tronix Pvt. Ltd. Manufactures AC Primary Current Injection Set. Neo Tele - Tronix Pvt. Ltd. Supplies test & measuring equipment used in industries, educational laboratories, particularly in places where productive equipment for scientific applications are essential. AC Primary Current Injection Set is designed to carry out tests of circuit breakers, current transformers and many other applications where heavy current supply of short duration is required. AC Primary Current Injection Set can be used as a convenient means for delivering, controlling and measuring heavy current in a comparatively low voltage and low impedance circuit. It is a single phase set with 230v of input voltage.