The brand LCTC has many different Solid State Relay modules, but here we describe a Solid State Regulator.

Single phase SSR voltage regulator
This module exists in different load current ranges - here we describe the 25A version.
LCTC Typenr | Input | Output |
---|---|---|
SSR-1VD25A | 0-10VDC | 0-250VAC 25A |
SSR-1VF25A | 0-5VDC | 0-250VAC 25A |
SSR-1LA25A | 4-20mA | 0-250VAC 25A |
Specification
- Max input current: 12mA
- Operation temperature: -20°C to 80°C
- Max off-state leakage current: 2mA
- Dielectric strength: 2500V
- Certificates: CE, ROHS
- Load current choice: 10A, 25A, 40A, 50A, 60A, 80A, 100A, 120A
- Weight: 100g

Functions
- Only suitable for resistive load.
- Not applicable to inductive load and capacitive load, such as transformers, motors, ventilators, etc.
- Choose your resistive load to not go over 70% of the model load: If you have a 70A resistive load, choose the 100A model.
- Use a heat sink for the larger loads. The module has a flat metal underside, meant to be mounted on a heat sink with thermal paste.

Connections and result


Experiment with ESP8266 NodeMCU and Tasmota PWM
See Experiment with ESP8266 NodeMCU and Tasmota PWM.
This experiment proves that the SCR module chops off the leading edge.


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