... protection and cooling form:1. Totally enclosed, self-cooling, IP44, IC4102. Drip-proof, force ventilated with built-on blower. IP23S, IC063. Drip ... . IP23S, IC015. Drip-proof, self-ventilated. IP23S, IC016. Totally enclosed, force ventilated with air-to-water heat exchanger. IP44, ICW37A86 (only for ...