SG1-DA125-A1 Single phases Input 4-32VDC Output 24-280VAC 125A

Product Details of Solid State Relay Model : SG1-DA125-A1 Single phases Input 4-32VDC Output 24-280VAC Current 125A

Working Principle of Solid State Relay Model : SG1-DA125-A1 Single phases Input 4-32VDC Output 24-280VAC Current 125A 

• Input DC / Output AC Working Principle
• Input (DC Input): Accepts DC voltage (e.g., 3–32VDC) to command the SSR to operate
• When DC power is applied to the input terminal → It triggers the SSR to "close the circuit" at the output terminal
• Isolation:
• Uses Opto-Isolator (PhotoCoupler) to separate the control circuit (DC) from the power circuit (AC) for safety
• Output Stage: Typically uses Triac or SCR to switch AC current circuits (AC) to loads
• When input is activated → Output will "connect" allowing AC current to flow to the load. General characteristics of SSR (Input DC / Output AC)
• Control Voltage (Input Voltage) 3–32VDC (e.g., 5VDC, 12VDC, 24VDC are applicable)

Features of Solid State Relay Model : SG1-DA125-A1 Single phases Input 4-32VDC Output 24-280VAC Current 125A

• Output Voltage (Output Voltage) 24–480VAC (depending on model)
• Maximum Load Current 2A–100A (depending on model)
• Frequency 50/60Hz
• Loads Heaters, lamps, AC fans, AC motors (small to medium size)
• Silent operation No noise because there are no mechanical contacts
• Heat Sink required if high load is used. Proper cooling must be provided. Advantage Control AC loads with simple DC control circuits.
• No mechanical parts → Long service life
• Spark-free operation
• Silent operation