Three-function PWM controller for larger systems, providing reliable PWM solar battery charging or load control or diversion regulation. Built for reliability and performance, with an oversized heatsink and over- spec’d components. Fully-rated for operation at temperatures up to 45C. More information with LED indicators. Optional meter displays extensive system and controller information in five languages; automatic self-test and reset. Communications capability with RS-232 port, connects to a PC for custom settings, data logging, remote monitoring and control. Fully adjustable with DIP switches for seven digital presets. Additional custom setting via RS-232. Extensive electronic protection against reverse polarity, short circuits, overcurrent and excessive temperature. Fanless design for long-term reliability.