Page 120 - Sace Emax 2 Catalogue
P. 120

6/18             SACE EMAX 2 LOW VOLTAGE AIR CIRCUIT-BREAKERS



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          Accessories for circuit-breakers












          Technical characteristics

                                                                ATS021                  ATS022
          General     Auxiliary supply voltage                  Not required            Not required
                                                                                        (24-110V DC is required only for
                                                                                        Modbus communication and
                                                                                        systems of 16 2/3 Hz)
                      Supply voltage, Un                        Max 480V AC             Max 480V AC
                      Frequency, fn                             50, 60 Hz               16 2/3, 50, 60, 400 Hz
                      Dimensions                          H mm             96           96
                                             H            W mm  144                     144
                                              W  D        D mm  170                     170
                      Type of installation                      Installation on front of switchgear  Installation on front of
                                                                Installation            switchgear Installation
                                                                on DIN rail             on DIN rail
                      Operating mode                            Automatic/Manual        Automatic/Manual
          Characteristics  Monitoring of normal and emergency line
                      Control of circuit-breakers on normal and emergency line
                      Setting start-up of generator
                      Setting switch-off of generator with settable time delay
                      Third circuit-breaker                     -
                      Selection priority line                   -
                      Modbus Rs485 communication                -
                      Display                                   -
          Environmental   Protection degree                     IP20*                   IP20*
          conditions   Operating temperature                    -20 … +60 °C            -20 … +60 °C

                      Humidity                                  5% - 90%  without condensation  5% - 90% without condensation
          Operating   Undervoltage                              -30% … -5% Un           -30% … -5% Un
          thresholds
                      Overvoltage                               +5% …+30% Un            +5% …+30% Un
                      Frequency thresholds                      -10% / +10% fn          -10% … +10% fn
          Tests       Test Mode
                      Mode Test Gen set
          Standards   Electronic devices for use in electrical installations  EN-IEC 50178   EN-IEC 50178
                      Electromagnetic compatibility             EN 50081-2              EN 50081-2
                                                                EN 50082-2              EN 50082-2
                      Environmental conditions                  IEC 68-2-1              IEC 68-2-1
                                                                IEC 68-2-2              IEC 68-2-2
                                                                IEC 68-2-3              IEC 68-2-3
          Electrical diagram reference: figures 100,101 and 102.
          * IP54 available with 1SCA101001R1001 accessory
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