The SLA250PCB12V is a 12V, 250mA regulated power supply module made by Lawtronics. It's an adjustable output module that is specifically designed to provide a steady, regulated voltage source to low-power devices such as optocoupler circuit systems. This module is designed to reduce the need for multiple external power supplies in a given circuit and provides an isolated output to minimize noise and signal interference. Additionally, the SLA250PCB12V is protected against over current, over voltage, and reverse polarity, making it a safe and reliable choice for any power supply application.