OVERCURRENT RELEASE VL 160 4-POLE, SYSTEM PROTECTION ETU20, LSI IR= 26...63A, OVERLOAD PROTECTION, ISD=1.5 TO 10 X IR, II=11 X IN SHORT-CIRCUIT PROTECTION N UNPROTECTED BOX TERMINAL/SCREWED UNION CONNECTIONS IN SCOPE OF DELIVERY OF CONTACT UNIT || 3VL92