5VDC solid state relay (SSR) 2A 240VAC

SSRs (Solid State Relays) have no movable contacts. SSRs are not very different in function from mechanical relays that have movable contacts. SSRs, however, employ semiconductor switching elements, such as thyristors, triacs, diodes, and transistors.

Furthermore, SSRs employ optical semiconductors called photocouplers to isolate input and output signals. Photocouplers change electric signals into optical signals and relay the signals through space, thus fully isolating the input and output sections while relaying the signals at high speed.
SSRs consist of electronic parts with no mechanical contacts. Therefore, SSRs have a variety of features that mechanical relays do not incorporate. The greatest feature of SSRs is that SSRs do not use switching contacts that will physically wear out.

SSRs are ideal for a wide range of applications due to the following performance characteristics:

• They provide high-speed, high-frequency switching operations.
• They have no contact failures.
• They generate little noise.
• They have no operation noise.

Features and Specifications

• Voltage version 5V
• Static current 0mA
• Working current 12.5mA
• Trigger voltage 3.3-5V
• Trigger current 2mA
• Weight: 015 kg

Applications

• Used for controlling multiple circuits
• Isolating low voltage from high voltages
• Automatic changeovers
• Electrical appliances ON/OFF applications