THERMAL RELAY; TYPE: OVERLOAD ; NUMBER OF POLES: TRIPOLAR; NOMINAL VOLTAGE: 690 VAC ; ADJUSTMENT RANGE: 47 TO 57 A ; AUXILIARY CONTACT: 01 NA + 01 NF; ASSEMBLY: FOR COUPLING; APPLICATION: FOR CONT. SIEMENS; ADDITIONAL FEATURES: S2 ENGINE PROTECTION; COMMERCIAL REFERENCE: SIEMENS 3RU2136-4QD0

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