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LV431430

The Schneider Electric LV431430 is a TM250D thermal-magnetic trip unit designed for use with ComPact NSX 250 circuit breakers . It is an interchangeable trip unit that provides LI protection — adjustable thermal overload protection (L) and adjustable magnetic short-circuit protection (I)

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Technical Specifications (Parameters) Parameter English Value Product Type Interchangeable thermal-magnetic trip unit Trip Unit Name TM250D Range / Series ComPact / ComPact NSX100...250 Range Compatibility ComPact NSX250 Device Application Distribution Number of Poles 3P Protected Poles Description 3t or 3d (3 protected poles) Trip Unit Rated Current [In] 250 A at 40 °C Trip Unit Protection Functions LI (Long-time and Instantaneous) Protection Type L: Overload protection (thermal) / I: Short-circuit protection (magnetic) [Ue] Rated Operational Voltage 690 V AC 50/60 Hz Network Type AC Network Frequency 50/60 Hz [Ir] Long-time Protection Pick-up Adjustment Range 0.7 ... 1 x In (175 ... 250 A) [tr] Long-time Protection Delay Fixed: 120…400 s at 1.5 x In / 15 s at 6 x Ir [Isd] Short-time Protection Pick-up Adjustment Range 5 ... 10 x In (1250 ... 2500 A) [tsd] Short-time Protection Delay Fixed (undelayed) Earth-leakage Protection Without Voltage Type for Actuating Self-powered Ambient Air Temperature (Operation) -25 ... 70 °C Ambient Air Temperature (Storage) -50 ... 85 °C Standards EN/IEC 60947-2, UL 508 Product Certifications CCC, EAC, Marine Dimensions (W x H x D) Approx. 9.5 cm x 6.5 cm x 11.5 cm Net Weight 0.459 kg