Magnetic Dimmable LED Drivers MTDC Series, Low voltage transformers, MT Series Multi Circuit Series has been specifically designed to power large wattage lighting projects while meeting Class 2 regulations. The PM series consist of 150W, 200W and 300W respectively. The max. wattage per each circuit for 12V is 50W and 96W for 24V and individually protected by easily re-settable circuit breaker . This series significantly reduces the project cost by using one transformer instead 3 - 6 units of class 2 separated transformers.