C3AW Dust Proof Trigger Switch Omron Electronics C3AW Dust Proof Trigger Switch features an IEC IP6X anti-dust protective structure and provides high vibration and shock resistance. C3AW Trigger Switch is designed for use in DC brushless tools and offers a minimum durability of 300,000 operations. This Omron Electronics switch also offers a 42VDC rated voltage and operates over a -20°C to +65°C temperature range (without icing and condensation).