Key Specifications Parameter Value/Description Manufacturer Omron Automation and Safety Part Number A16L-TRM-24D-1 Series A16 Type Illuminated Pushbutton Switch Mounting Hole Diameter 16 mm Shape Cylindrical, Round projection type Actuator Color Red Illumination LED, Red Illumination Voltage 24 VAC/VDC Contact Configuration SPDT (1c / Single Pole Double Throw) Switch Operation Momentary (On-Mom) Terminal Type Solder terminal / Quick-connect (#110/t=0.5) Degree of Protection IP40 Contact Ratings Parameter Value Rated Load (AC) 5 A at 125 VAC / 3 A at 250 VAC (resistive load) Rated Load (DC) 3 A at 30 VDC (resistive load) Minimum Applicable Load 1 mA at 5 VDC Lamp/LED Specifications Parameter Value Lamp Type LED (built-in) Lamp Color Red Rated Voltage 24 VAC/VDC Operating Voltage 24 VAC/VDC ±5% Rated Current (Lamp) 8 mA Mechanical Specifications Parameter Value Operating Force (OF) 4.41 N max. Pretravel (PT) 2.5 mm max. Total Travel (TT) Approx. 3 mm Mechanical Life 2,000,000 operations min. Electrical Life 100,000 operations min. Permissible Operating Freq. (Electrical) 20 operations/min max. Insulation & Dielectric Strength Parameter Value Insulation Resistance 100 MΩ min. (at 500 VDC) Dielectric Strength (Between terminals of same polarity) 1,000 VAC for 1 min Dielectric Strength (Between different polarity terminals) 2,000 VAC for 1 min Dielectric Strength (Between terminal and ground) 2,000 VAC for 1 min Environmental Specifications Parameter Value Operating Temperature -10°C to 55°C (with no icing or condensation) Storage Temperature -25°C to 65°C Operating Humidity 35% to 85% Vibration Resistance (Malfunction) 10 to 55 Hz, 1.5 mm double amplitude Shock Resistance (Destruction) 500 m/s² max. Shock Resistance (Malfunction) 150 m/s² max. Physical Specifications Parameter Value Panel Cutout Circular - 16.00 mm diameter Panel Depth 28.5 mm (one of the smallest in its class) External Dimensions (W × H) 18 × 18 mm Terminal Type Solder/Quick-connect (#110 tab) Protection Class Class II