Standard 14051 (140×140× 50.8 mm) size, DC24V 2.3A high-power design, exact replacement for Delta FFB1424SHG; Dual ball bearing, 3600RPM high airflow & static pressure for heavy-duty industrial heat dissipation; UL94-V0 flame retardant frame, wide temperature range -10~50 for 24/7 continuous operation; Standard mounting holes, 2-wire wiring version for easy plug-and-play installation; Ideal for industrial PC, server cabinet, frequency inverter, high-power power supply cooling