The 120A DC-to-AC Solid State Relay (SSR) is a high-capacity electronic switching device engineered to control large AC loads using low-voltage DC signals. Built for industrial-grade performance, this SSR delivers silent operation, high-speed switching, and superior reliability—making it an ideal choice for heavy-duty applications such as industrial heating, motor drives, HVAC systems, and automated machinery.
- High Load Capacity:
Handles up to 120 Amps of continuous AC, suitable for heavy industrial systems. - Input Control Voltage:
Accepts 3–32 VDC, compatible with most PLCs, microcontrollers (like Arduino, Raspberry Pi), and other logic devices. - Output Load Voltage:
Supports 24–480 VAC, suitable for both single-phase and 3-phase AC systems. - Zero-Cross Triggering:
Reduces electrical noise and stress on connected equipment for a longer lifespan. - Built-In Snubber Circuit:
Protects against voltage spikes and ensures stable operation. - LED Indicator Light:
Built-in LED shows operational status for easy diagnostics. - Fast Switching Speed:
Operates within milliseconds for high-frequency switching demands. - Fully Encapsulated Design:
Protects internal components from dust, moisture, and mechanical shock. - High Dielectric Strength & Isolation:
Safe separation between control and load sides—ideal for industrial environments.







