• Compact and efficient single-phase solid state relay designed for low to medium power AC switching applications
• Accepts DC control input (3–32VDC), making it ideal for Arduino, PLC systems, microcontrollers, and automation circuits
• Capable of switching AC loads up to 8A with output voltage up to 280VAC
• Incorporates zero-cross switching technology to reduce electrical noise and improve load protection
• Solid-state design eliminates mechanical wear, ensuring long lifespan and maintenance-free operation
• Small and lightweight construction suitable for compact installations and control panels
• Provides silent switching with no sparking or mechanical noise
• Ideal for applications requiring reliable and frequent switching
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Technical Specifications
• Model: KT20C08A
• Brand: Kyotto
• Relay Type: Single Phase Solid State Relay (SSR)
• Control Input Voltage: 3–32VDC
• Output Voltage: up to 280VAC
• Rated Load Current: 8A
• Number of Phases: 1 Phase
• Switching Type: Zero Cross
• Mounting Type: Panel Mount
• Cooling Method: Natural Cooling (External heat sink optional)
• Insulation Resistance: ≥50MΩ
• Dielectric Strength: ≥2500VAC
• Operating Temperature: -30°C to +75°C
• Response Time: ≤10ms
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Key Features
• Compact size ideal for space-limited installations
• Compatible with Arduino, PLC, and embedded systems
• Reliable switching for AC loads up to 8A
• Silent operation with no electrical noise or sparking
• Long lifespan due to solid-state design
• Low power consumption on control side
• Easy integration into automation systems
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Typical Applications
• Small heating elements
• Lighting control systems
• Smart home automation
• Embedded and IoT projects
• Laboratory equipment
• Control panels and automation systems
• Small motors and fans