NKK Switches B Series of process sealed, pcb mount, antistatic, subminiature toggle switches incorporate firms Sliding Twin Crossbar contact mechanism to ensure switching reliability and smooth positive detent action. With a case housing constructed of glass-reinforced polyamide, devices provide process sealed body construction that prevents contact contamination. Terminals are ultrasonically welded to lock out flux and other contaminants. An optional threaded 6mm diameter bushing for panel seal mounting is also available and meets IP65 of IEC60529 specifications. Available in both single and double pole models, product is rated 0.4VA maximum @ 28Vac/dc maximum and mechanical life is rated at 100,000 operations minimum for maintained circuits and 50,000 operations minimum for momentary circuits.