Songle 5V 30A 1-Channel Relay Module with Optocoupler for Arduino ESP32

Key Highlights

• ✓Optical Coupling Isolation: Provides strong driving ability and stable performance, ensuring enhanced protection and reliability. Trigger Current: 5mA, which is low and ideal for interfacing with various control devices. Trigger Mode Selection: The module allows the choice between high-level or low-level trigger by adjusting the jumper. Rated Current: The interface supports up to 16A for reliable performance. Jumper Cap Configuration: DC+ and JD+ shorted by jumper cap. DC- and JD- shorted with jumper cap, ensuring the same voltage between the trigger terminal and the relay control terminal. High and Low-Level Trigger Mode: Low-Level Trigger: Jumper and L pin connection, IN pin. High-Level Trigger: Jumper and H pin connection, IN pin.