Two pole transformers, TRE & TRS series up to 33 percent ED,Single pole transformers, P versions up to 33 percent ED, Two pole and Single pole transformers with 100 percent ED,4 wire transformers for simultaneous ignition and flame monitoring, Transformers with 110 Volts, primary supply,High temperature silicone ignition cables up to 180 deg. C in 7 mm and 5 mm diameters,Connecting lugs for cables and protecting sleeves.