SSR-75DA Solid State Relay, 4–32VDC Input, 24–380VAC Output, 75A

The Fotek SSR-75DA is a single-phase solid-state relay designed for reliable, noise-free switching of AC loads up to 75A using a low voltage DC control input. With zero-cross detection, optical isolation, and a rugged body, this SSR is ideal for high-performance automation systems, temperature controllers, motor drivers, and lighting applications. Its maintenance-free operation and long lifespan make it a solid choice for demanding industrial environments.​

Key Features:

• High Current Capacity: Switches AC loads up to 75A at 380VAC, suitable for heavy-duty industrial applications.​
• DC to AC Switching: Accepts 4–32VDC control signals to manage AC power circuits efficiently.​
• Zero-Crossing Functionality: Reduces electrical noise and protects connected devices during switching.​
• Optical Isolation: Ensures safe operation by isolating the control circuit from the load circuit.​
• Robust Design: Encapsulated construction for durability and resistance to environmental factors.​
• Panel Mount with Screw Terminals: Easy installation in control panels using standard hardware.​

Additional Specifications:

• Type: Solid State Relay
• Number of Channels: 1
• Coil Voltage: 4-32Vdc
• Switching Voltage (VDC)/Current: N/A
• Switching Voltage (VAC)/Current: 24-380Vac At 75A