The TS3EV493-IP65 is a PR21 series cam switch designed for ON/OFF main switching in industrial control applications. It features 3 poles and 3 contacts with a general use rating of 20 A, rated insulation voltage of 690 V, and maximum rated voltage of 690 V (IEC) or 600 V (UL/CSA). The switch is rated for a short-time withstand current of 420 A for 1 second and supports maximum wire sizes of 6 mm² (rigid) or 4 mm² (flexible). It is housed in an IP65-rated enclosure with panel mounting using two fixing screws, and operates reliably across a temperature range of -20°C to +70°C with mechanical durability rated at 1,250,000 operations at a maximum rate of 150 operations per hour. This switch is ideal for motor control, power distribution, and load switching in industrial machinery and electrical distribution systems.