Compact PTC Air Heater Module for Forced-Air Heating Applications. Key benefits: - Reliable self-regulating heating: PTC thermistor element maintains a stable surface temperature for safer and consistent operation. - Fast heat-up and long service life: Designed for rapid warming with low noise during blower operation. - Safe installation and reliable performance: Non-surface-electrified design with the PTC element mounted inside an insulated aluminum tube for secure use with a fan. Main specifications: - Fan input voltage: 24 V DC. - Heater input voltage: 220 V AC. - Rated power: 350 W nominal, tolerance plus or minus 25 percent; actual output may vary by about plus or minus 20 percent depending on operating conditions and heat dissipation. - Size (including mounting holes): 87.5 mm x 60 mm x 42 mm. - Mounting hole diameter: 4 mm. - Heating material: PTC thermistor. - Heating method: Thermal radiation combined with forced airflow. - Connection lead type: High-temperature wire. - Lead length: 200 mm; bare wire length: 10 mm. - Surface insulation: None; proper installation and insulation are required according to application safety practices. - Use: Designed to heat air or solid objects where a constant surface temperature is required. What makes this product stand out: - Self-regulating PTC element reduces risk of overheating and simplifies temperature control without complex electronics. - Enclosed in an aluminum tube and electrically insulated from the outer surface for safer blower-assisted heating. - Compact footprint and standard mounting holes allow straightforward integration into equipment. Recommended applications and use scenarios: - HVAC and warm-air units: Provide supplemental heating inside air handlers, air curtains, and compact warm-air systems. - Vending and ticketing machines: Maintain internal temperature to