MARELLIMOTORI ALTERNATOR 2500KVA MJB 500 LA4
      MARELLIMOTORI ALTERNATOR 2500KVA MJB 500 LA4
      MARELLIMOTORI ALTERNATOR 2500KVA MJB 500 LA4
      MARELLIMOTORI ALTERNATOR 2500KVA MJB 500 LA4

      MARELLIMOTORI ALTERNATOR 2500KVA MJB 500 LA4

      MJB 500 LA4 SAE0 d18

      ALTERNATOR 2300KVA MJB 500 LA4

      Phase type: Three phase
      Maximum power 50Hz: 2500KVA
      Maximum power 50Hz: 2000KW
      Maximum power 60Hz: 3125KVA
      Maximum power 60Hz: 2500KW
      Frequency: 50 - 60Hz
      Voltage: 400V / 480V
      Protection degree: IP23
      A alternator speed: 1500 / 2250 rpm
      Number of poles: 4
      Yield: 97. 2%
      Weight: 5100 Kg
      Constant speed
      AVR

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      Product: MARELLIMOTORI ALTERNATOR 2500KVA MJB 500 LA4

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      Product: MARELLIMOTORI ALTERNATOR 2500KVA MJB 500 LA4
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      Product: MARELLIMOTORI ALTERNATOR 2500KVA MJB 500 LA4
      MARELLI MOTORI
      MJB 500 LA4 SAE0 d18

      Data sheet

      Phase
      Single phase / Three phase
      Maximum power three phase (KW)
      2000
      Maximum power three phase (KVA)
      2500
      Frequency (Hz)
      50 / 60
      Voltage (V)
      400
      Engine rpm (rpm)
      1500
      Poles
      4
      Efficiency (%)
      97.2
      Protection degree
      IP23
      Brushes
      No
      Type of alternator
      Constant Speed
      Voltage regulator
      AVR
      Weight (Kg)
      5100

      Specific References

      New

      MARELLIMOTORI MJB 500LA4 ALTERNATOR 2500KVA THREE-PHASE

      MARELLIMOTORI MJB 500LA4 is a three-phase alternator capable of delivering a power of 2500KVA 2000KW, comes complete with AVR.

      The frame of the alternator designed by MarelliMotori is equipped with side ribs to increase the resistance in addition the construction is made of sturdy welded steel
      The 2500KVA alternators MarelliMotori for continuous operation are designed to meet the vibration levels according to standards, so they have a shielding in spheroidal cast iron or gray cast iron.

      The shaft of the MJB 500LA4 is made of carbon steel and obtained by rolling. The shaft is obtained by forging from 290 mm diameter and is tested at the manufacturer in order to verify the absence of defects.

      The stator/motor core of the MarelliMotori is laminated and enamelled on both sides to minimize eddy current losses
      The rotor of the MJB 500LA4 is of salient pole type, made with class H flat copper wire insulated with enamel coating.
      The winding is held by high quality steel through rods.

      All MarelliMotori are equipped with a large damping cage and are suitable for parallel operation with other generators, if equipped with the parallelization unit.
      All MarelliMotori alternators can be designed to meet specific reactance values (x'd and x''d).

      The MarelliMotori alternators are all equipped with voltage regulators. For the correct voltage supply MARELLIMOTORI MJB 500LA4 2500KVA needs an electronic control system, known as "voltage regulator" or "AVR" (acronym of Automatic Voltage Regulator). It guarantees the proper functioning of the machine and above all of the electrical network behind it.

      The AVR is an electronic device that converts alternating current with frequency and voltage variable over time into direct current and thus avoids current surges.

      The AVR designed by MarelliMotori is internally equipped with a radio noise filter, which allows to contain radio noise emitted by MarelliMotori generators within the limits set by the European regulations for industrial environments

      It is always advisable to check with the help of the technical data sheets the construction form of the desired alternator.

      Select the alternator that reflects the technical specifications you require, visit our dedicated section to understand how.

      TECHNICAL FEATURES OF THE 2500KVA THREE-PHASE MJB 500LA4 ALTERNATOR

      Phase type: Three phase
      Maximum power 50Hz: 2500KVA
      Maximum power 50Hz: 2000KW
      Maximum power 60Hz: 3125KVA
      Maximum power 60Hz: 2500KW
      Frequency: 50 - 60Hz
      Voltage: 400V / 480V
      Protection degree: IP23
      A alternator speed: 1500 / 2250 rpm
      Number of poles: 4
      Yield: 97. 2%
      Weight: 5100 Kg
      Constant speed
      AVR

      Are you looking for a product with different characteristics? HERE you can find the entire range MARELLIMOTORI and other specialized brands.

      Images and technical data not binding and subject to change by the manufacturer

      Download

      Drawing 1 MJB 500

      double bearing assembly MJB 500

      Download (299.34KB)

      Drawing 2 MJB 500

      double bearing torsional MJB 500

      Download (94.1KB)

      Drawing 3 MJB 500

      single bearing assembly MJB 500

      Download (316.44KB)

      Drawing 4 MJB 500

      single bearing torsional MJB 500

      Download (96.22KB)

      MJB 500 LA4

      Data sheet MJB 500 LA4

      Download (953.8KB)
      AUXILIARY WINDING MXB-E 160
          Anti-condensation heaters with terminals in auxiliary terminal box MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI MJB
          787.74 €Price
          ANTI-CONDENSATION HEATERS 220V MXB-E 250
              N. 3 PT1000 in stator winding with terminals in main terminal box MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
              2,332.34 €Price
              ANTI-CONDENSATION HEATERS 220V MXB-E 250
                  N. 3 PTC thermistors MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                  1,228.81 €Price
                  ANTI-CONDENSATION HEATERS 220V MXB-E 250
                      N. 3 PT100 in stator winding with terminals in main terminal box MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                      1,867.24 €Price
                      ANTI-CONDENSATION HEATERS 220V MXB-E 250
                          N. 3 PT100 in stator winding with terminals in auxiliary terminal box MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                          2,654.98 €Price
                          ANTI-CONDENSATION HEATERS 220V MXB-E 250
                              Separate auxiliary terminal box MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                              787.74 €Price
                              ANTI-CONDENSATION HEATERS 220V MXB-E 250
                                  N. 1 PT100 on one bearing MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                                  1,324.91 €Price
                                  ANTI-CONDENSATION HEATERS 220V MXB-E 250
                                      N. 1 PT100 duplex type on one bearing MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                                      1,645.85 €Price
                                      ANTI-CONDENSATION HEATERS 220V MXB-E 250
                                          N. 1 PT1000 on one bearing MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                                          1,448.48 €Price
                                          ANTI-CONDENSATION HEATERS 220V MXB-E 250
                                              N. 1 PT1000 duplex type on one bearing MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                                              1,767.70 €Price
                                              ANTI-CONDENSATION HEATERS 220V MXB-E 250
                                                  N. 1+1 PT100 air inlet/outlet MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                                                  981.67 €Price
                                                  ANTI-CONDENSATION HEATERS 220V MXB-E 250
                                                      D-End special shaft extension MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                                                      7,244.14 €Price
                                                      ANTI-CONDENSATION HEATERS 220V MXB-E 250
                                                          Second shaft extension MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                                                          8,472.95 €Price
                                                          ANTI-CONDENSATION HEATERS 220V MXB-E 250
                                                              Flanged shaft extension MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                                                              20,620.34 €Price
                                                              ANTI-CONDENSATION HEATERS 220V MXB-E 250
                                                                  Arrangement for vibration sensor on one support MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                                                                  368.98 €Price
                                                                  ANTI-CONDENSATION HEATERS 220V MXB-E 250
                                                                      FOR ALTERNATORS
                                                                      B5 Adaptor MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                                                                      5,771.62 €Price
                                                                      ANTI-CONDENSATION HEATERS 220V MXB-E 250
                                                                          PMG with dedicated AVR MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                                                                          4,093.17 €Price
                                                                          ANTI-CONDENSATION HEATERS 220V MXB-E 250
                                                                              PMG with digital AVR D-Vo mounted MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                                                                              11,277.25 €Price
                                                                              ANTI-CONDENSATION HEATERS 220V MXB-E 250
                                                                                  Digital AVR D-Vo mounted on board MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                                                                                  7,184.08 €Price
                                                                                  ANTI-CONDENSATION HEATERS 220V MXB-E 250
                                                                                      APFC mounted on board MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                                                                                      4,271.65 €Price
                                                                                      ANTI-CONDENSATION HEATERS 220V MXB-E 250
                                                                                          N. 3 CT single core on neutral point (only available with 6-lead) MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                                                                                          2,332.34 €Price
                                                                                          ANTI-CONDENSATION HEATERS 220V MXB-E 250
                                                                                              Insulated NDE bearing MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                                                                                              3,684.71 €Price
                                                                                              ANTI-CONDENSATION HEATERS 220V MXB-E 250
                                                                                                  D-End insulated bearing + Earthing brush MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                                                                                                  6,386.04 €Price
                                                                                                  ANTI-CONDENSATION HEATERS 220V MXB-E 250
                                                                                                      64R - Brush conn. to rotor for earth fault detect. (w/o prot. device) MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                                                                                                      6,631.45 €Price
                                                                                                      ANTI-CONDENSATION HEATERS 220V MXB-E 250
                                                                                                          Inlet filter (IP23) MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                                                                                                          8,841.94 €Price
                                                                                                          ANTI-CONDENSATION HEATERS 220V MXB-E 250
                                                                                                              Inlet + outlet filter (IP43) MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                                                                                                              26,400.55 €Price
                                                                                                              ANTI-CONDENSATION HEATERS 220V MXB-E 250
                                                                                                                  Inlet + outlet filter (IP44) MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                                                                                                                  29,470.87 €Price
                                                                                                                  ANTI-CONDENSATION HEATERS 220V MXB-E 250
                                                                                                                      IP55 Terminal Box MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                                                                                                                      1,228.81 €Price
                                                                                                                      ANTI-CONDENSATION HEATERS 220V MXB-E 250
                                                                                                                          Non magnetic exit cable panel MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                                                                                                                          981.67 €Price
                                                                                                                          ANTI-CONDENSATION HEATERS 220V MXB-E 250
                                                                                                                              Separate neutral point terminal box MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                                                                                                                              17,634.12 €Price
                                                                                                                              ANTI-CONDENSATION HEATERS 220V MXB-E 250
                                                                                                                                  FOR ALTERNATORS
                                                                                                                                  Special voltage MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                                                                                                                                  1,228.81 €Price
                                                                                                                                  ANTI-CONDENSATION HEATERS 220V MXB-E 250
                                                                                                                                      Non standard colour (Marelli Motori standard RAL 5010 Blue) MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                                                                                                                                      ANTI-CONDENSATION HEATERS 220V MXB-E 250
                                                                                                                                          Special painting cycle (MM ref. F96831) MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                                                                                                                                          1,228.81 €Price
                                                                                                                                          ANTI-CONDENSATION HEATERS 220V MXB-E 250
                                                                                                                                              Special painting cycle (MM ref. F96819) MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                                                                                                                                              2,455.90 €Price
                                                                                                                                              ANTI-CONDENSATION HEATERS 220V MXB-E 250
                                                                                                                                                  Special painting cycle (MM ref. F96826) MJB500 THIS ITEM CAN BE PURCHASED ONLY AND EXCLUSIVELY IN COMBINATION WITH THE MARELLI GENERATORI MJB
                                                                                                                                                  4,911.81 €Price

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                                                                                                                                                  MARELLIMOTORI ALTERNATOR 2500KVA MJB 500 LA4