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AJMRTC KTD2 delay relay module is a multifunctional timing control board compatible with 5V,12V and 24V power supply, rated at 5A output current. It provides trigger delay and cycle timing functions, allowing users to set custom timing sequences for automatic control tasks. Equipped with industrial anti-overshoot protection, this timer relay board can resist instantaneous voltage spikes and reduce the risk of circuit damage, delivering stable performance for long-time operation. Simple wiring structure makes it easy to integrate into automation systems, device upgrades and electronic DIY builds. It is ideal for light control, motor delay start, equipment sequential operation and other timing control scenarios.