Relay Module 2 Channel 12V (high/low) level trigger
In Stock
Categories: Components, Relays, Other Modules
Description
🔑 Key Features
✅ 2 Independent SPDT Relays – Control two circuits separately. ✅ 12V DC Control Voltage – Works with car electronics, PLCs, and 12V microcontrollers. ✅ Optocoupler Isolation – Prevents damage to control circuits. ✅ High/Low Level Trigger Selectable – Jumper-configurable for flexibility. ✅ LED Status Indicators – Visual feedback for relay activation. ✅ Screw Terminal Connectors – Secure wiring for high-power loads. ✅ Wide Compatibility – Supports AC (250V/10A) and DC (30V/10A) loads.
📊 Technical Specifications
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Control Voltage:Â 12V DC
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Trigger Current:Â ~15-20mA per channel
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Max Load per Relay:
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AC Loads:Â 250V / 10A
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DC Loads:Â 30V / 10A
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Relay Type: Electromechanical (SPDT – Normally Open + Normally Closed + Common)
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Optical Isolation:Â Yes (PC817 or similar optocoupler)
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Trigger Mode:Â High or Low level (jumper-selectable)
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Dimensions:Â ~50mm Ă— 45mm Ă— 20mm
🔌 Wiring & Usage
1. Control Connections (12V Logic)
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VCC: Connect to 12V power supply (for relay coil).
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GND:Â Common ground (shared with control signal).
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IN1, IN2: Signal pins (activate with 12V HIGH or LOW, depending on jumper setting).
2. Load Connections (Screw Terminals)
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NO (Normally Open): Circuit closes when relay is ON.
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COM (Common):Â Central contact.
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NC (Normally Closed): Circuit opens when relay is ON.
âš Â Warning:
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Do not exceed 250V AC / 10AÂ per channel.
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Keep high-voltage wiring separate from control circuits.
đź› Applications
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Automotive systems (12V car electronics, lights, fans).
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Industrial machine control (PLC interfacing).
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Home automation (appliance control via 12V triggers).
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DIY power distribution panels.
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Safety cutoffs & emergency switches.
📦 Package Includes
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1Ă— 2-Channel 12V Relay Module.
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(Optional) Jumper caps & mounting screws.
⚡ Why Choose This Relay Module?
✔ 12V-Compatible – Perfect for automotive & industrial use. ✔ Dual Trigger Modes – Works with active HIGH or LOW signals. ✔ Optical Isolation – Protects control circuits from surges. ✔ LED Indicators – Easy troubleshooting.
đź”§ Trigger Mode Selection
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HIGH-Level Trigger (Default): Relay activates when IN = 12V.
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LOW-Level Trigger: Relay activates when IN = 0V (set jumper).
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