This listing is for a USED Elcotronic 158 TN electronic ballast. This unit is designed to operate a single 58 W fluorescent lamp on a 220/240 V AC power supply at 50/60 Hz. Electronic ballasts of this type are commonly used in industrial and commercial lighting fixtures to regulate lamp current, improve efficiency, and provide stable lamp operation.

This listing is for a USED ADVANCE 71A6041-001D. It is designed for powering metal halide lamps in industrial lighting systems. This unit is categorized as a core & coil ballast kit and includes the following capabilities: 400W lamp support, 480V input, and M59 lamp compatibility

This listing is for a USED Elcotronic 136 TN electronic ballast. This unit is designed for operating a single fluorescent lamp and is intended for industrial and commercial lighting applications. The ballast operates on a 220–240 VAC power supply at 50/60 Hz and is commonly used in fixed lighting installations requiring electronic lamp control.