A heavy duty power supply capable of powering even the most power demanding circuits in your laboratory with pure, clean, stable DC current. Up to 150 Watts output power. The circuit incorporates special protection filters against RF from transmitters and LINEAR amplifiers making it ideal for such applications. The ideal power supply for SMART KITs 1021, 1031 and 1017. The transformer should be 24VAC 8A (NOT included). The kit comes complete with heatsinks.