HONGFA Industrial Relay HF18FF

Built for Industrial Environments

The HF18FF series is engineered specifically for the demanding conditions found in industrial facilities. From factory floors to process control rooms, these relays provide dependable switching in environments where failure is not an option.

Industrial-Grade Features:

• Ruggedized Construction: Reinforced housing and mounting for shock/vibration resistance
• Extended Temperature Range: -40°C to +125°C operation for harsh environments
• Enhanced Sealing: IP67 protection against dust, moisture, and contamination
• Arc-Resistant Contacts: Silver alloy contacts optimized for AC/DC loads
• High Switching Capacity: 25A at 250VAC for heavy industrial loads
• Long Life Design: >500,000 operations at rated load

Environmental Resilience:

Technical Specifications

Contact Rating	25A at 250VAC / 25A at 30VDC
Coil Voltage Range	12V, 24V, 48V, 110V, 220VAC/DC
Contact Configuration	DPDT (2 Form C)
Operating Temperature	-40°C to +125°C
Vibration Resistance	10-55Hz, 1.5mm amplitude
Shock Resistance	50G, 11ms duration
Protection Rating	IP67 (dust-tight, waterproof)
Electrical Life	>500,000 operations at rated load
Mounting	DIN rail, panel mount, or PCB mount
Terminal Type	Screw terminals or quick connect

Compliance & Certifications:

• UL 508 (Industrial Control Equipment)
• IEC 61810-1 (Electromechanical Elementary Relays)
• CE marking for European markets
• RoHS compliant materials
• CCC certification for Chinese markets

Factory Automation Applications

The HF18FF excels in demanding industrial applications where reliability, durability, and performance are critical for maintaining production uptime.

Manufacturing & Assembly:

• Conveyor Systems: Motor control and direction switching for material handling
• Robotic Systems: Tool changing, gripper control, and safety interlocks
• Press Controls: Safety circuits and hydraulic/pneumatic actuation
• Packaging Equipment: Sealing, cutting, and forming machine control

Process Control:

• Chemical Processing: Valve control and pump switching in harsh environments
• Food & Beverage: Washdown-safe switching for production equipment
• Pharmaceutical: Clean room compatible switching and process control
• Water Treatment: Pump control, valve actuation, and monitoring systems

Power & Utilities:

• Motor Control Centers: Contactor control and auxiliary switching
• Generator Controls: Start/stop sequencing and load switching
• SCADA Systems: Remote switching and status indication
• Substation Automation: Protection and control switching

HVAC & Building Systems:

• Chiller Controls: Compressor and pump switching
• Air Handling Units: Damper control and fan switching
• Boiler Systems: Burner control and safety interlocks
• Emergency Systems: Fire pump and smoke exhaust control

Maintenance & Troubleshooting: