HOLOPHANE RBKED320D 188XUK 320W PM 260-277 VOLTS REPL BALLIST
Retail Price: $55.00→$27.50 (50% Off)
Lamp Compatibility: 320 W Pulse Start Metal Halide lamps 
Voltage: Supports multiple voltage taps of 120-480V
Ballast Type: Magnetic Core and Coil
Frequency: 60Hz