Page 310 - Wagp_InterfaceElectronic_Volume4_2015_US.pdf
P. 310

787-740

   5    Switched-Mode Power Supply, 3-Phase

                ®
  308   EPSITRON  ECO Power








                                                                                      L1
                                                                                              DC O.K.
                                                                                                   DC+
                                                                                      L2           DC+
                                                                                                   DC -
                                                                                      L3           DC -
                                                                                                   DC -









        • Suitable for protection class I equipment                                                       Pack.
        • Natural convection cooling when horizontally mounted  Description                Item No.       Unit
        • Enclosed for use in switchgear cabinets             Switched-mode power supply,   787-740       1
        • Fast and tool-free termination via lever-actuated terminal blocks  24 VDC / 10 A
        • DC O.K. contact
        • Parallel operation
        • Electrically isolated output voltage (SELV) acc. to
          EN 60950-1/UL 60950-1



        Technical Data                                        Technical Data

        Input:                                                Environmental requirements:
                                  3 x (2 x) 400 V … 500 VAC     Derating               -1.25 % / K (> +50 °C; 400 VAC)
          Nominal input voltage V i nom
          Input voltage range     325 V … 575 VAC; 460 V … 800 VDC  Degree of pollution  2 (acc. to EN 50178)
          Frequency               47 Hz … 63 Hz                 Climatic category      3K3 (acc. to EN 60721)
          Input current Ii        3 x 0.6 A at 400 VAC and 10 ADC  Safety and protection:
          Power factor            ≥ 0.6                         Test voltage PRI-SEC/PRI-GND/  3 kV AC / 1.5 kV AC /
          Discharge current       < 3.5 mA                      SEC-GND/SEC-DC OK      0.5 kV AC / 0.5 kV AC
          Inrush current          < 25 A                        Protection class       Prepared for class I equipment
          Mains failure hold-up time  > 17 ms at 3x 400 VAC     Degree of protection   IP20 (acc. to EN 60529)
        Output:                                                 Overvoltage protection  yes
                                  24 VDC (SELV)                 Short circuit protection  yes
          Nominal output voltage V o nom
          Output voltage range    22 ... 28 VDC adjustable      No-load proof          yes
                                  10 A at 24 VDC                Feedback voltage       30 V
          Output current I o
          Factory preset          24 VDC                        Parallel operation     yes
          Adjustment accuracy     1 %                           Series connection      yes
          Residual ripple         < 80 mV (peak-to-peak)        MTBF                   > 250000 h
          Overload behavior       Constant power              Connection and type of mounting:
                                  (in overload range: 1.15 ... 1.4 x I o );   Wire connection  Input/Output: WAGO 2706 Series
                                  shutdown and automatic restart in the event          Signaling: WAGO 2091 Series
                                  of a short circuit            Cross sections         Input/Output:
          Operational indication  Green LED (V o )                                     0.5 mm² … 6 mm² / AWG 20 … 10
                                  Red LED (overload)                                   Signaling:
          Signaling               DC O.K. contact;                                     0.2 mm² … 1.5 mm² / AWG 24 … 14
                                  Make contact (max. 31.2 V / 20 mA)  Strip lengths    Input/Output:
        Efficiency/Power losses:                                                       11 … 12 mm / 0.43 … 0.47 in
          Efficiency              89 % typ.                                            Signaling: 8 … 9 mm / 0.31 … 0.35 in
                                  32.5 W                        Type of mounting       DIN-rail mount (EN 60715)
          Power loss P V
                                  36 W                        Dimensions and weight:
          Max. power loss P V
        Fuse protection:                                        Dimensions (mm) W x H x L  65 x 130 x 130
          Internal fuse           3 x T 2 A / 250 V                                    Length from upper-edge of DIN 35 rail
          External fuse           3 x circuit breakers 10 A, 16 A,   Weight            2120 g
                                  B or C characteristic,      Standards and approvals:
                                  or motor circuit breakers     Standards/Specifications  EN 60950, EN 61204-3,
                                  External DC fuse required for DC input               UL 60950*, UL 508*
                                  voltage                                              (* pending)
        Environmental requirements:
          Ambient operating temperature  -25 °C … +70 °C
          Storage temperature     -40 °C … +85 °C
          Rel. humidity           95% (no condensation permissible)
   305   306   307   308   309   310   311   312   313   314   315