DELTA RELAY / 24V RELAY 4pin (HF105F-1/White) Code: 43816920

The HF105F-1 is a miniature, high-power electromagnetic relay manufactured by HONGFA. It is widely used in heavy-duty applications like HVAC systems and industrial controls, offering up to 40A switching capabilities, loads up to 7200VA, and a dielectric strength of 4kV.

Key Specifications

• Contact Arrangements:Available in SPST-NO (1 Form A), SPST-NC (1 Form B), or SPDT (1 Form C).
• Switching Current:30A / 40A (depending on the exact variant and contact load type).
• Switched Voltage:277V AC or 28V DC.
• Coil Voltages:Common options include 5V, 9V, 12V, 15V, 24V, and 240V versions in both AC and DC types.
• Coil Power:Approximately 0.9W (DC) or 2VA (AC).
• Dielectric Strength:4000V (between coil and contacts).
• Operating Temperature:-55°C to +85°C.