{"L1_core": {"type": "power", "domain": "electrical", "series": "M29", "category": "connector", "subcategory": "circular"}, "L2_electrical": {"current_rating": "30A", "voltage_rating": "630V AC/DC", "contact_resistance": "2mΩ max", "dielectric_strength": "3000V AC", "insulation_resistance": "100MΩ min"}, "L3_mechanical": {"gender": "female", "ip_rating": "IP67/IP68/IP69K", "pin_count": 4, "thread_size": "M29x2.0", "temp_range_c": "-40 to +125", "mating_cycles": 500, "contact_material": "copper alloy silver-plated", "housing_material": "die-cast zinc or aluminum"}}