Description
⏲️ Product Overview: Delay Switch Relay Timer Module
A Delay Timer Relay Module is an electronic switch designed to control devices based on a pre-set delay. Once triggered, it waits a specific duration before switching its output. These modules are programmable and are commonly based on microcontrollers or timer ICs like the NE555.
🧰 Key Specifications
| Parameter | Description |
|---|---|
| Operating Voltage | 5V / 12V / 24V (varies by model) |
| Relay Output | 10A 250V AC / 10A 30V DC (SPDT contacts) |
| Trigger Method | Button input, power-on delay, or signal |
| Delay Time Range | Adjustable: typically 0.1s to 10s / 999s / up to hours depending on model |
| Timing Type | ON-delay, OFF-delay, cycle delay (model dependent) |
| Control Logic | TTL logic input / manual push button |
| Load Support | AC/DC lights, fans, motors, pumps, etc. |
| Display (Optional) | 3-digit LED display for time setting |
| Mounting Type | PCB module or DIN rail |
| Dimensions | Typically 65mm × 30mm × 20mm (varies) |
⚙️ Common Features
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Adjustable timing with potentiometer or digital buttons
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Optocoupler isolation for signal integrity
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High/Low trigger selection
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LED indicators for power and relay status
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Some models include EEPROM memory to save settings
🛠️ Applications
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Automatic light control
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Motor delay start
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DIY automation projects
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Home appliances protection delay
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Security systems
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Industrial control
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