Page 277 - Contactors_Catalogue
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ABB  MOTOR CONTROL AND PROTECTION FOR ROLLING STOCK APPLICATIONS                 4/77

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          NF(Z)B..RT  4 and 8-pole contactor relays

          Technical data





          Connecting characteristics
          Contactor types                        NF(Z)B..RT
          Main terminals





                                                 Conductors with insulated ring tongue ferrule
          Connection capacity (min. ... max.)
            Main conductors (poles)
              Flexible with insulated ferrule  1 or 2 x 0.75...2.5 mm²
                                            Ø mm > 3.5 mm
              E max
                                            L mm < 8 mm
                      P                     P mm < 4.1 mm
                     L                      E mm < 2.9 mm
              Connection capacity acc. to UL/CSA  1 or 2 x AWG 18...14                                                04
              Tightening torque                  1.2 Nm / 11 Ib.in
            Coil conductors
              Flexible with insulated ferrule  1 or 2 x 0.75...2.5 mm²
                                            Ø mm > 3.5 mm
              E max
                                            L mm < 8 mm
                      P                     P mm < 4.7 mm
                     L                      E mm < 2.9 mm
              Connection capacity acc. to UL/CSA  1 or 2 x AWG 18...14
              Tightening torque                  1.2 Nm / 11 Ib.in
          Degree of protection
          acc. to IEC 60947-1 / EN 60947-1 and IEC 60529 / EN 60529
            All terminals                        IP10
            Front face                           IP20
          Screw terminals                        Delivered in open position (1)
            Main terminals                       M3.5
            Screwdriver type                     Flat Ø 5.5 / Pozidriv 2
            Coil terminals                       M3.5
                                       Screwdriver type Flat Ø 5.5 / Pozidriv 2
          (1) Screws of unused terminals must be tightened with a max. tightening torque of 0.5 Nm / 4.58 lb.in.
































                                                                                                                 1SBC101816S0201 - Rev. A
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