1、Equipped with flame retardant and transparent protective shell, such DC-AC solid state relay can be practical in life. 2、And such SSR is mainly suitable for roadside billboards, factory workshops, highway street lights, electrical equipment, etc. 3、Thickened brass heat dissipation plate can make effective improvement of the heat dissipation index. 4、Due to the control mode of DC control AC, the DC-AC solid state relay can be easy to use in the practical life. 5、DC-AC solid state relay's screw is made of high toughness anti-rust material, which can be not easy to break for sliding wire. 1 x Solid State Relay Item Type: Solid state relayProduct Model: BERM3-ZF80DAMaterial: PlasticProduct Size: Approx. 7.5 x 10.5 x 3.8cm / 2.95 x 4.13 x 1.5inControl Mode: DC control ACMedium Pressure: 3000VACAmbient Temperature: -30 ~ + 70 ℃Installation Method: BoltedPower-off Time: ≤10ms