51 Series

51 Series | 1000-Watts

51 Series | 300-500 Watts, 24-Volt

51 Series | 750-Watts

52 Series 

52 Series | 500 Watts & 300 Watts, 24 Volts

52 Series | 1000 Watts

52.2 Series

52.2 Series | 1000 Watts

52.2 Series | 500 Watts