Tag: ออสแรม

หลอดไฟ OSRAM NAV-T 400 W E40

The Osram S40PT4 NAV-T Vialox is a 400W, tubular high pressure sodium lamp, with an E40 Edison Screw cap. It is suitable for dimming with conventional control gear and offers a 25% longer lamp life than standard lamps. It emits…