trip unit - STR43ME FI - 3 poles 3dShow more characteristics >
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Main range of productNS400...630 product or component typeTrip unit range compatibilityCompact NS400Compact NS630 device applicationMotor poles description3P protected poles description3t network typeAC network frequency50/60 Hz trip unit nameSTR43ME FI trip unit technologyElectronic trip unit rating250 A 40 °C400 A 40 °C630 A 40 °C150 A 40 °C protection typeShort time short-circuit protectionOverload protection (long time)Instantaneous short-circuit protection Complementary long time pick-up adjustment type IrAdjustable 40 settings [Ir] long time pick-up adjustment range0.4...0.8 x In long time delay adjustment typeAdjustable [tr] long-time delay adjustment range12...15 s at 7.2 x Ir144...198 s at 1.5 x Ir270...357 s at 1.5 x Ir4...5 s at 7.2 x Ir433...595 s at 1.5 x Ir10.9...13.1 s at 6 x Ir17.4...21.8 s at 6 x Ir5.8...7.3 s at 6 x Ir7.3...9.1 s at 7.2 x Ir short-time pick-up adjustment type IsdAdjustable 8 settings [Isd] short-time pick-up adjustment range6...13 x Ir short-time delay adjustment typeFixed [tsd] short-time delay adjustment range0.01...0.06 s instantaneous pick-up adjustment type IiFixed display typeDisplay Environment standardsIEC 60947-2 product certificationsASTAASEFAKEMALCIE IP degree of protectionIP40 conforming to IEC 60529 pollution degree3 conforming to IEC 60947 ambient air temperature for operation-25...70 °C ambient air temperature for storage-50...85 °C Contractual warranty Warranty period18 months
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