Home Appliance Solutions

For washing machine applications, I recommend the HF35F sealed power relay series. These relays feature hermetic sealing that prevents moisture ingress during wash cycles, ensuring reliable operation throughout the appliance lifetime. The HF35F offers 10A contact rating suitable for motor and heater control, with 5VDC to 48VDC coil options to match your control circuit. For the main motor control, use HF35F-012-1HSTF with 12VDC coil. For water valve control, HF3F-005-1HST provides cost-effective 5A switching. All HF35F relays undergo rigorous washability testing and are proven in millions of washing machine installations. The sealed construction protects against detergent and moisture while maintaining reliable contact performance.

Use HF35F sealed relays for washing machines; HF3F for lower current water valve control.

For air conditioner compressor control, relay selection must account for high inrush currents: 1) Inrush Current - compressor starting current can be 5-8x running current

select relay with adequate inrush capability, 2) Contact Rating - choose relay with contact rating at least 2x compressor running current

for 5A running current, use 10A relay minimum, 3) Contact Material - silver alloy contacts handle high inrush better than standard contacts, 4) Coil Voltage - match to control board voltage (typically 12VDC), 5) Temperature Rating - outdoor units require +85°C or +105°C rating, 6) Certification - verify UL and VDE certifications for your markets. I recommend HF32F-012-1ZS (10A) for small compressors up to 5A running current, HF36F-012-1ZS (16A) for larger compressors. Always include appropriate contact protection (snubber circuits) to extend relay life.

Select HF32F (10A) or HF36F (16A) based on compressor running current; apply 2x safety factor.

Hongfa provides comprehensive relay solutions for refrigerator applications: Compressor Control - HF32F or HF36F power relays (10A-16A) handle compressor starting currents with high inrush capability

Defrost Heater Control - HF36F (16A) or HF105F (30A) relays switch resistive heater loads reliably

Fan Control - HF3F (5A) relays for evaporator and condenser fan switching

Ice Maker Control - HF3F or HF32F for ice maker motor and heater switching

Lighting Control - HF3F for interior LED or incandescent lighting. For smart refrigerators, consider HFE10 latching relays for zero-standby-power control. All Hongfa appliance relays are designed for long electrical life (100K+ operations) and high temperature operation (+105°C). The relays are UL and VDE certified for global refrigerator market compliance. BeiLuo Electronics provides application support and samples for refrigerator design validation.

Use HF32F/HF36F for compressors, HF3F for fans and lighting, HFE10 for smart features.

Hongfa appliance relays offer electrical life of 50,000 to 100,000 operations depending on load conditions. Resistive loads achieve higher life, while motor loads with inrush current reduce life. Proper derating extends relay life significantly.

Apply proper derating and contact protection to maximize relay life.