Philips HF-R 158 TL-D EII Dimmable Ballast for 1x 58W TL-D Lamps

The Philips HF-R 158 TL-D EII is a high-frequency electronic dimming ballast specifically designed for use with a single 58W TL-D (T8) fluorescent lamp. It utilizes the 1–10V analog dimming interface, providing smooth, flicker-free light adjustment and compatibility with a wide range of dimming systems. The unit operates on 220–240V, 50/60Hz, and supports up to 28 devices per 16A Type B MCB, with a peak inrush current of 27A and max leakage current of 0.5 mA. This ballast features WAGO 251 universal terminals, suitable for both automatic and manual wiring, and includes protections like IP20 ingress (finger-protected) and environmental compliance with ISO 14001. The slim 360 x 30 x 21 mm housing fits easily into compact luminaires and supports ambient temperatures from –20°C to +50°C. With an A1 BAT energy efficiency index and certifications including CE, ENEC, and VDE-EMV, the HF-R 158 TL-D EII delivers reliable, efficient lighting control for indoor professional applications.