Technical Parameters (Specifications) Electrical Data Product Type: Safety isolation transformer Rated Power: 40 VA (Volt-Amps) Primary Voltage: 230 V AC (single-phase) Secondary Voltage: 24 V AC (single-phase) Frequency: 50/60 Hz Number of Phases: 1 (single-phase) Insulation Class: Class II (double insulated) or Class I depending on variant Performance No-Load Losses: Low losses for energy efficiency Voltage Regulation: Typically 5-10% from no-load to full-load Efficiency: >85% at full load (typical) Dielectric Strength: 4000 V RMS between primary and secondary Insulation Resistance: >100 MΩ at 500 V DC Protection Overload Protection: Thermal protection (inherent) Short Circuit Protection: High inrush current capability Protection Class: IP20 (finger-safe terminals) Thermal Protection: Self-resetting thermal fuse (typical) Mechanical Specifications Connection Type: Screw terminals (finger-safe) Mounting Mode: Panel mount or DIN rail mount (with optional adapter) Enclosure Material: Steel casing with corrosion-resistant coating Winding Material: Copper (primary and secondary) Cooling: Natural convection (no fan required) Environmental Degree of Protection (IP): IP20 (conforming to IEC 60529) Ambient Air Temperature for Operation: -20...40 °C Ambient Air Temperature for Storage: -30...80 °C Relative Humidity: 5...95% (non-condensing) Maximum Operating Altitude: Up to 2000 m Dimensions & Weight Dimensions (W x H x D): Approximately 80 mm x 90 mm x 90 mm (typical for 40VA transformer) Net Weight: Approximately 1.2 kg Standards & Certifications Design Standards: IEC 61558-2-6, IEC 61558-1 (safety isolation transformers) Certifications: CE, UL, cUL, C-Tick, EAC RoHS Compliance: Yes