Key Technical Specifications Parameter Specification Series A16 Product Type Illuminated Pushbutton Switch Shape Cylindrical type (16 mm diameter) Operating portion shape Rectangular 2-way guard Color of operating portion Red Operating function Momentary (On-Momentary) Contact configuration DPDT (2 Form C) Lighted method Lighted (LED) Lamp color Red Rated voltage (lamp) 24 VAC/VDC Operating voltage (lamp) 24 VAC/VDC ±5% Rated current (lamp) 8 mA Contact rating (AC) Resistive load: 5 A at 125 VAC / 3 A at 250 VAC Contact rating (DC) Resistive load: 3 A at 30 VDC Minimum applicable load 1 mA at 5 VDC Terminal specifications Solder terminal / Quick connect terminal (#110/t=0.5) Degree of protection IP40 Insulation resistance 100 MΩ min. (at 500 VDC) Dielectric strength Between terminals of same polarity: 1,000 VAC, 50/60 Hz for 1 min Dielectric strength Between terminals of different polarity: 2,000 VAC, 50/60 Hz for 1 min Dielectric strength Between terminals and ground: 2,000 VAC, 50/60 Hz for 1 min Dielectric strength Between lamp terminals: 1,000 VAC, 50/60 Hz for 1 min (with LED not mounted) Electrical life 100,000 cycles minimum Mechanical life 2,000,000 cycles minimum Permissible operating frequency Electrical: 20 operations/min max. / Mechanical: 120 operations/min max. Vibration resistance (malfunction) 10 to 55 Hz, 1.5 mm double amplitude (malfunction: 1 ms max.) Shock resistance (destruction) 500 m/s² max. Shock resistance (malfunction) 150 m/s² max. (malfunction time: 1 ms max.) Ambient temperature (operating) -10°C to +55°C (with no freezing or condensation) Ambient temperature (storage) -25°C to +65°C (with no freezing or condensation) Ambient humidity (operating) 35% to 85% Protection against electric shock Class II PTI (Tracking characteristic) 175 Pollution degree 3 (IEC60947-5-1) Panel cutout dimensions Circular - 16.00 mm diameter Weight Approx. 10 g