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LT4706BA

The Schneider Electric LT4706BA is an electronic overcurrent relay from the TeSys LT47 series . It is designed to protect three-phase AC motors against a range of electrical faults, including overload, locked rotor, and phase failure

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Technical Parameters Parameter Value / Range Product Series TeSys Model LT4706BA Product Type Electronic overcurrent relay Protection Functions Overload (Imax > Isetting), Locked Rotor / Jamming (I > 3 x Isetting), Phase Failure Thermal Protection Adjustment Range 0.5 ... 6 A Tripping Threshold 0.5 ... 5 A Control Supply Voltage [Us] 24 V AC / 24 V DC Network Frequency 50 ... 60 Hz Rated Insulation Voltage [Ui] Power circuit: 600 V AC (CSA/UL), 690 V AC (IEC 60947-4-1) Rated Impulse Withstand Voltage [Uimp] 6 kV Time Setting Ranges O-TIME: 0.3 ... 30 s R-TIME: 1 ... 120 s Auxiliary Contact Composition 1 NO + 1 NC Conventional Free Air Thermal Current [Ith] 3 A for signalling circuit Reset Method Automatic Local Signalling 1 Green LED (Run), 1 Red LED (Trip) Mounting Support DIN Rail Connections - Terminals Screw clamp terminals for signalling circuit (1 ... 2.5 mm² flexible cable) Tightening Torque 1.7 N.m (signalling circuit) Operating Temperature -25 ... 60 °C (without derating, conforming to IEC 60947-4-1) Storage Temperature -30 ... 80 °C Dimensions (W x H x D) 71 mm x 70.3 mm x 77.2 mm Net Weight 0.192 kg Degree of Protection IP20 (enclosure) conforming to IEC 60529 Certifications UL, CSA, CCC