Product Name: Three Phase Digital Over & Under Voltage Protector Model NO.: TDP-3 Type: Electric Parameter Relay Size: Miniature Action Principle: Electronic Type Protective Characteristics: Enclosed Rlay Load: Medium Power Relay Number of Pole: 3 Electricity Type: Ac Phase: 3 Theory: Voltage Relay Model: Tdp-3 Number of Poles: 3 P Rated Voltage: AC220V Rated Current: 30A, 40A, 50A, 60A Capacity: 20-40kVA Over-Voltage Action Value: AC390-450V Adjustable Over-Voltage Action Delay: 1-2s Under-Voltage Action Value: AC210-360V Adjustable Under-Voltage Action Delay: 1-2s Recovery Time Setting Range: 10-600s Trademark: TOSUNlux Transport Package: Standard Export Carton Specification: CE Origin: China Product Description ApplicationTDP Modular Digital Over & Under Voltage Protector is self-healing phase failure & phase sequence protective relay. It is a newly developed household electrical equipment protector.The protector can quickly disconnect the power supply to protect the appliances in case of power interruption or voltage over or under the predetermined value.When power supply recovers, the protector automatically connects the power after 1-2 minutes' delay.All the protective actions are automatically controlled. Indicators on the panel shows the working conditions.SpecificationModelTDP-1TDP-3Number of Poles1P3PRated VoltageAC 220VAC 380VRated Current20A30A40A50A60A30A40A50A60ALoading Power4.4kVA6.6kVA8.8kVA11kVA13kVA20kVA25kVA30kVA40kVAOver-voltage Cut Off ValueAC 230-270V adjustable (400V short time)AC 390-450V adjustableDelay0.02s1-2sUnder-voltage Cut Off ValueAC 120-210V adjustableAC 210-360V adjustableDelay1s1-2sRecovery Time10-600s adjustableSelf Power Consumption≤3W≤2WAmbient Temperature-20~+40ºCDimensionsWhyus?1. We have been in this field since 1994.2. Reasonable price. Goodnetworkofrawmaterialsupply,sparepartsandgoods and efficient factorycoveringanareaof13,000m².3. Reliable quality. Professional inspectors supervisng the quality during the production. Our products have obtained TUV, SEMKO, CE, CB and RoHS certificates.4. Favorable service. Experiencedsalesmentohandlebusinessforyouspecially.5. Attractive packing. Particulardesignersinchargeofpackingmaterialinauniquestyle.