FIICCO Three-Phase Solid State Relays - DC Input / AC Output

The SSR-3-DA Three-Phase Solid State Relay is a high-performance three-phase DC-to-AC zero-cross relay designed for industrial automation and control applications. Utilizing advanced semiconductor technology, it provides reliable three-phase AC switching with DC control input, ensuring silent operation and long service life.

With a 3-32V DC control input and 24-480V AC load voltage range, the SSR-3-DA series offers excellent compatibility with PLCs, microcontrollers, and industrial control systems. The zero-cross switching design helps reduce electromagnetic interference and inrush current, making it suitable for controlling three-phase resistive and inductive loads.

Available in 60A, 150A, and 200A current ratings, the SSR-3-DA series combines fast switching performance, high electrical isolation, and reliable operation for demanding industrial environments.

Features

• Three-phase DC-to-AC solid-state relay
• Zero-cross switching technology
• 3-32V DC control input
• 24-480V AC load voltage
• Available in 60A, 150A, and 200A models
• Compatible with PLCs, microcontrollers, and digital logic circuits
• Fast operate and release times
• 2500VAC dielectric strength
• Insulation resistance ≥100MΩ
• Low control current requirement (<25mA)
• Low leakage current
• Built-in red LED status indicator
• Operating temperature range: -30°C to 80°C

Suitable for industrial automation systems, three-phase heating control equipment, three-phase motor control applications, power distribution systems, HVAC systems, lighting control applications, and other industrial equipment requiring reliable three-phase AC switching with DC control.

Compatible Part Numbers:

SSR-3-60DA
SSR-3-150DA
SSR-3-200DA

Technical Datasheet: