• Industrial-grade single-phase solid state relay designed for high-voltage AC load switching applications
• Supports DC control input (4–32VDC), making it compatible with PLC systems, microcontrollers, and automation controllers
• Capable of switching high-voltage AC loads from 48VAC up to 480VAC with a rated current of 40A
• Incorporates zero-cross switching technology to reduce electrical noise and protect connected equipment
• Solid-state design eliminates mechanical contacts, ensuring long service life and maintenance-free operation
• Built-in aluminum base plate improves thermal dissipation for stable and continuous operation
• Compact and rugged construction suitable for installation in industrial control panels
• Silent switching operation with no sparking or mechanical wear
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Technical Specifications
• Model: KD40C40AX
• Brand: Kyotto
• Relay Type: Single Phase Solid State Relay (SSR)
• Control Input Voltage: 4–32VDC
• Output Voltage: 48–480VAC
• Rated Load Current: 40A
• Number of Phases: 1 Phase
• Switching Type: Zero Cross
• Mounting Type: Panel Mount
• Cooling Method: Aluminum Base Plate
• Insulation Resistance: ≥50MΩ
• Dielectric Strength: ≥2500VAC
• Operating Temperature: -30°C to +75°C
• Response Time: ≤10ms
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Key Features
• Suitable for high-voltage AC applications up to 480VAC
• Direct interface with PLC, Arduino, and industrial controllers
• High reliability due to absence of mechanical contacts
• Silent operation with no electrical arcing
• Reduced electromagnetic interference using zero-cross switching
• Efficient heat dissipation for continuous heavy-duty operation
• Compact size for easy panel integration
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Typical Applications
• Industrial heating systems and ovens
• High-voltage lighting control systems
• Motor and pump control in industrial environments
• HVAC systems
• Automation panels and control cabinets
• Power distribution and switching systems
• CNC machines and industrial production lines