Compact power reduction unit for HS lamps 100/40 percent. Power reduction without control phase - Intelligent power switch PR 12K LC (Light Control) Ballast design: 53x66mm For high-pressure sodium vapor lamps (HS) Compact power reduction unit consisting of ballast with or without patented, intelligent temperature switch with automatic reset (evaluates temperature and current of the ballast), igniter, power switch and compensation capacitor With luminaire connection terminals: screw terminals 0.75-2.5qmm With earth terminal Permissible load capacity: 20-100pF Cable length to the lamp: max 1.5 m tw 130 Other powers and voltages on request Type: PRKUNaH 100/40Proz..522 Voltage AC: 230V, 50Hz, Suitable for lamp power (1-lamp): 100W, Length: 151mm, Width: 123mm, Design: conventional, Nominal voltage from/to: 230V, Height: 92mm, For lamp type HS: Yes