Fotek SSR-25DA DC 3-32V Input to AC 24-380V Solid State Relay

The Fotek SSR-25DA is a high-quality AC load solid state relay designed for reliable and silent switching of AC power circuits. It uses semiconductor switching technology instead of mechanical contacts, providing fast response, long service life, and excellent electrical isolation. This relay is widely used in industrial control panels, automation systems, and heating applications where frequent switching is required.

Technical Specifications:

• Input control voltage: 3–32 V DC
  
• Output load voltage: 24–380 V AC
  
• Load current: up to 25 A
  
• Control type: DC to AC
  
• Switching type: Solid state (Triac)
  
• Isolation method: Optical isolation
  
• Response time: ≤10 ms
  
• Leakage current (off state): ≤2 mA
  
• Dielectric strength: ≥2500 VAC
  
• Operating temperature: −30 °C to +80 °C
  
• Mounting type: Panel mount
  
• Cooling method: External heat sink recommended
  
• Housing material: Flame-retardant plastic

Features:

• Silent operation with no mechanical wear
  
• High switching speed and long operational life
  
• Strong electrical isolation between input and output
  
• Low control power requirement
  
• Capable of handling high AC loads
  
• High resistance to vibration and electrical noise
  
• Compact and industrial-grade construction

Applications:

• AC motor control
  
• Industrial heaters and temperature controllers
  
• PLC and microcontroller output switching
  
• Lighting control systems
  
• Industrial automation panels
  
• HVAC systems
  
• Power distribution and load control