1、Isolation withstanding voltage between input and output - heat sink plate is ≥2500VAC 2、Built-in resistance and capacity absorption circuit; 3、With security protection seal; 4、External potentiometer can achieve output voltage regulation, so that the application is simple; 5、Thyristor phase shift output, wide adjustment range; Features: Isolation withstanding voltage between input and output - heat sink plate is ≥2500VAC Built-in resistance and capacity absorption circuit; With security protection seal; External potentiometer can achieve output voltage regulation, so that the application is simple; Thyristor phase shift output, wide adjustment range; 100% load current aging test, through the European Community CE certification, international ISO9000 certification, domestic 3C certification Specification: Model: BRM3-80AA/BRM3-120AA(Optional) Load: 24-480VAC Current: 80A/120A Control voltage: 24-480VAC Control mode: AC control AC Weight: Approx.338g/ 11.9oz   Package list: 1 x Relay