Tridonic PC 2×21 28-5 T5 COMBO Obsolete…We have now Sold out please call for alternatives Discount

The Tridonic PC 2×21 28-5 T5 Combo is a combination electronic ballast and emergency lighting unit to run: 2 x 21 Watt T5 fluorescent tube 2 x 28 Watt T5 fluorescent tube PC T5 Combo Ballasts have the following features: – Low profile casing – Lightweight one-part emergency lighting unit – Simple wiring – No compatibility problems – 1 or 3 hour rated duration – Hot lamp restart in normal operation – Cathode heating in emergency mode – AC operation of all lamps – Automatic restart after relamping in normal operation – Green charge status display LED – Optional test switch – Checking the emergency lighting function by interrupting the unswitched phase – Short circuit proof battery connection – Polarity reversal protection for battery. This should be used with a 5 cell battery pack