1、Simple and convenient control mode, only need external potentiometer, can realize AC power adjustment. 2、The external potentiometer has AC power, please pay attention to insulation protection. 3、Built-in RC absorption to protect the impact of the product on the instantaneous current. 4、No mechanical action parts, long service life, high reliability; fast switching speed and low RF interference. 5、The product is small in size and internally filled with epoxy resin, which is shockproof, moisture proof and corrosion resistant. 1 x Solid State Relay Item Type:Solid State RelayBrand:BERMLoading Voltage:0~250VACControl Current:4~20mAControl Mode:Current ControlFrequency Range:50/60HzInstallation Method: BoltedOn-off Time: ≤10mSOff-state Leakage Current: ≤10mAOn-state Voltage Drop: ≤ 1.8VACWorking Environment Temperature: -40℃ ~ +80℃Application: Widely used in ceramic machinery, petrochemical, food machinery, packaging machinery, textile machinery, plastic machinery, heating, cement, coal, medical, entertainment facilities and other automation control fields. It is especially used in environments where corrosion, humidity, dust, explosion protection, etc., and frequent switching. It is an alternative to AC contactors.