SSR-25VA Solid State Relay 25A 24-380VAC

The SSR-25VA is a single-phase solid state voltage regulator that lets you adjust AC power smoothly with a simple potentiometer, instead of just switching it on and off. Turn the knob and the output voltage rises or falls across the 24-380VAC range, making it a clean way to control heater temperature, lamp brightness, and the speed of suitable AC motors, in a compact module rated for 25A loads.

Because it has no moving contacts, it switches silently with no contact wear, and a built-in LED shows when the module is active. The input is a 470K to 560K ohm potentiometer, which keeps wiring simple for DIY dimmers, soldering stations, incubators, and heating controllers. Four screw terminals handle the connections, and the module bolts onto a heat sink.

For loads near the 25A limit, fit a suitable heat sink, and always choose a relay rated well above the start-up current of inductive loads. A great pick for makers, hobbyists, and anyone building adjustable AC power control.

Specification:

• Model : SSR-25VA
• Control Type : Variable Resistor (Potentiometer)
• Control Resistance : 470K to 560K Ohm
• Load Current : 25A
• Load Voltage : 24-380VAC
• Control Method : Phase Control
• Response Time : 10ms Max
• Off-State Leakage Current : 2mA Max
• On-State Voltage Drop : 1.5V Max
• Terminals : 4 Screw Terminals
• Mounting : Panel / Heat Sink Mount
• Indicator : LED