Description
Product Description
The 6-Channel Solid State Relay Module (AC to DC Control) is a sophisticated, high-density interface bridge engineered to seamlessly connect traditional AC-based control systems with modern DC-powered equipment. This advanced module enables six standard 100-240V AC control signals—such as those from wall switches, timers, or safety interlocks—to independently and safely operate low-voltage DC loads ranging from 3V to 24V. It is the ultimate solution for upgrading legacy installations, integrating mixed-voltage systems, and building reliable control panels where AC logic must command DC actuators, sensors, or electronics.
Featuring individual 2500V optical isolation on all six channels, this module ensures absolute electrical separation, protecting sensitive DC circuits from AC line transients, noise, and potential ground faults. The intelligent design includes automatic wide-range DC voltage detection, eliminating the need for manual configuration when switching between different DC power supplies. With selectable high/low-level trigger logic for flexible response to various AC signal states, and the silent, long-lasting benefits of solid-state technology, this module is indispensable for industrial automation, smart building integration, and complex multi-zone control systems requiring robust and silent switching between AC and DC domains.
Key Features
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Six Independent AC-to-DC Channels: High-density design for controlling up to six different DC circuits or zones from AC control signals, all from a single, compact module.
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Universal AC Input Control: Compatible with worldwide AC control voltages from 100V to 240V AC at 50/60Hz, allowing use with standard wall switches, contactors, and sensors.
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Wide-Range DC Output (3-24V): Automatically detects and switches any DC load voltage within the 3V to 24V range, providing exceptional versatility for powering motors, LEDs, solenoids, and controllers.
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Selectable Trigger Logic: Each channel can be individually configured via jumper for High-Level (active when AC is present) or Low-Level (active when AC is absent) trigger operation.
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Full Optical Isolation per Channel: Advanced 2500Vrms optocoupler isolation on every channel provides complete protection, preventing AC-side noise and surges from damaging DC-side electronics.
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Solid-State Reliability & Silence: No moving parts ensures silent operation, fast switching, zero contact bounce, and a dramatically longer lifespan than mechanical alternatives.
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Zero-Crossing Switching: Integrated zero-crossing detection on the AC input minimizes inrush current and electromagnetic interference for cleaner, more reliable operation.
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Clear Per-Channel Status Indicators: Bright LEDs for each channel provide instant visual feedback on the switching state, crucial for system monitoring and diagnostics.
Main Parameters
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Number of Channels: 6 Independent Channels
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AC Control Input: 100-240V AC, 50/60Hz
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DC Load Output: 3-24V DC (Wide Range, Auto-detecting)
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Maximum Load Current: 2A per channel
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Trigger Mode: High-Level or Low-Level (Jumper Selectable)
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Isolation Voltage: 2500V RMS (Input to Output)
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Switching Function: Zero-Crossing
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On-state Voltage Drop: < 1.5V DC
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Dimensions: Approx. 145mm x 95mm x 30mm
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