12V DC Timer Relay Module with LED Display (Delay ON/OFF)

12V DC Timer Relay Module with LED Display

A versatile programmable timer relay module featuring a bright red LED display for real-time countdown/countup visualization. Supports both delay-ON and delay-OFF modes, making it ideal for automation, irrigation control, industrial timing, and DIY electronics projects.

Key Features

• Relay: SRD-12VDC-SL-C (10A/250VAC, 10A/30VDC)
• Red 3-digit LED display for time setting and status
• Two push buttons (K1, K2) for mode and time adjustment
• Onboard buzzer for alarm/notification
• Screw terminal blocks for easy wiring (CN1 input, CN2 output)
• Supports Delay-ON and Delay-OFF timing modes
• Wide timing range (seconds to hours)
• Compact blue PCB with mounting holes

Specifications

• Supply Voltage: 12V DC
• Relay Rating: 10A @ 250VAC / 10A @ 30VDC
• Relay Type: SPDT (NO/NC/COM)
• Display: 3-digit red LED
• Timing Range: 0–999 seconds/minutes/hours (mode dependent)
• Operating Temperature: -20°C to +70°C

Applications

• Irrigation and pump control
• Industrial automation timers
• LED/light delay switching
• Motor ON/OFF control
• Home automation projects
• Arduino/Raspberry Pi relay control