Parameters Category Parameter Specification for M2SS1-42Y-20 General Product Type Modular, Illuminated Push Button Operator / Indicator Series M2S (System M2S) Assembly Type Front Module / Operator (requires separate contact block) Mechanical Design Mounting Interface 42mm Square Cut-out (IEC/EN standard) Front Bezel Material Stainless Steel (AISI 316/316L) Actuator Type Mushroom/Button Head, Momentary Action (Typically) Actuator & Lens Color Yellow (Y) Illumination Element Integrated 20mm LED Module (likely from "-20" suffix) Electrical (For LED Module) LED Supply Voltage Common ranges: 24V DC, 48V DC, 110V DC, 24V AC, 110-120V AC, 220-240V AC (Defined by separate LED module order code) LED Power Consumption Typically 0.5 - 2 W (depends on voltage and LED type) LED Lifespan > 50,000 hours Environmental & Certifications Protection Degree (IP) IP66 / IP67 (when installed with compatible seal/gasket) Hazardous Area Certification ATEX / IECEx: Typically Ex d IIC T6 Gb / Ex tb IIIC T80°C Db (Flameproof & Dust Ignition Proof). Must be used with certified M2S enclosure & base. Corrosion Resistance High (Stainless Steel), suitable for saline, chemical atmospheres. Operating Temperature Typically -40°C to +70°C (Wide range for LED and materials) Impact Resistance (IK) IK08+ (High impact resistance) Optical Lens Material Polycarbonate (PC) or Glass, impact and UV resistant. Indicator Diameter 20 mm Light Output High brightness, uniform illumination. Mechanical Life Actuator Mechanical Life > 5 million operations Compatibility Required Components 1. M2S Certified Enclosure 2. M2S Contact Block (e.g., with 1NO+1NC contacts) 3. M2S LED Holder & LED Module (specific voltage) Standards Compliance IEC/EN 60079-0, 60079-1, 60079-31 (ATEX/IECEx), IEC 60947-5-1, IEC 60529 (IP)