400 Watt

Sylvania LUMALUX HPS Ballast Kit, 400W S51, 480V Input, CWA Core and Coil Kit Sylvania 400W S51 480V HPS Kit ANSI: S61 Line Voltage: 480V

Sylvania LUMALUX HPS Ballast Kit, 400W S51, 480V Input with 120V-Tap, CWA Core and Coil Kit Sylvania 400W S51 480V 120V-Tap HPS Kit ANSI: S61 Line Voltage:

UNIVERSAL S51 400W LU400 HID High Pressure Sodium (HPS) Ballast, 480V Input, CWA circuit, Core and Coil Ballast Kit DISCONTINUED BY MANUFAC

UNIVERSAL S51 400 Watt HID High Pressure Sodium (HPS), 5 Tap - 120V/208V/240V/277V/480V, Core and Coil Ballast Kit Universal HID Multi-5 Tap High Pressure Sodium (HPS) Magnetic Ballast Universal...