This is DC To AC SSR-10DA Solid State Relay Module 3-32VDC/24-380VAC 10A. A solid-state relay (SSR) allows you to control high-current AC loads from lower voltage DC control circuitry. Solid-state relays have several advantages over mechanical relays.

One such advantage is that they can be switched by a much lower voltage and at a much lower current than most mechanical relays. Also, because there are no moving contacts, solid-state relays can be switched much faster and for much longer periods without wearing out.

This particular SSR can switch current loads of up to 10A with a 3-32V DC input and a zero cross trigger control method. Each one of these relays is equipped with four screw terminals (for use with ring or fork connectors) and a plastic cover that slides over the top of the relay to protect the terminals.

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Features :

1. Long service life and high reliability
2. Reduced electromagnetic interference
3. Highly reliable, compact size designed to offer users maximum simplicity.