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787-1668

   5    Electronic Circuit Breaker
  348 EPSITRON       ®









                                                                                            S1  S2  S3
                                                                                         DC 24V (+)  OUT1 (+)
                                                                                               2..10A
                                                                                                 OUT2 (+)
                                                                                               2..10A
                                                                                                 OUT3 (+)
                                                                                               2..10A
                                                                                                 OUT4 (+)
                                                                                               2..10A
                                                                                                 OUT5 (+)
                                                                                               2..10A
                                                                                                 OUT6 (+)
                                                                                               2..10A
                                                                                                 OUT7 (+)
                                                                                               2..10A
                                                                                                 OUT8 (+)
                                                                                               2..10A
                                                                                         0 V
                                                                                         0 V
        • Compact 8-channel electronic circuit breaker                                                    Pack.
        • 2–10 A nominal current, adjustable for each channel via sealable selector switch  Description  Item No.  Unit
        • Switch-on capacity > 50000 μF per channel
        • One illuminated three-colored button per channel simplifies switching (on/off),   Electronic Circuit Breaker,   787-1668  1
          resetting and on-site diagnosing                    24 VDC / 8 x 10 A
        • Time-delayed switching of channels
        • Tripped message (group signal)
        • Status message for each channel via pulse sequence
        • Remote input resets tripped channels or switching on/off any number of channels
          via pulse sequence
        Technical Data                                        Technical Data

        Input:                                                Environmental requirements:
          Nominal input voltage Vi nom  24 V DC                 Ambient operating temperature  -25 °C ... +70 °C
          Input voltage range     18 ... 30 V DC                Storage temperature    -25 °C ... +85 °C
        Output:                                                 Rel. humidity          30 % ... 85 % (no condensation)
          Nominal output voltage Vo nom  8x 24 V DC             Derating               ≥ +50 °C: see instruction manual
          Nominal current         max. 8 x 10 ADC             Safety and protection:
                                  (2, 3, 4, 6, 8, 10 A adjustable for each   Test voltage  500 V DC (terminals to enclosure)
                                  channel via selector switch)   Protection class      III
          Voltage drop            200 mV at 10 A                Reverse voltage protection  no
          Trip time               Load-dependent (20 ms – 100 s)  Degree of protection  IP20 (acc. to EN 60529)
          Switch-on capacity      > 50000 μF per channel        Overload protection    via 33 V suppressor diode at input
          Switch-on behavior      Time-delayed channel switching   Feedback voltage    max. 35 VDC
                                  (50 – 100 ms each)            Series connection of several devices  not permitted
          Active current limitation  no                         Parallel operation of single channels  not permitted
          Operational indication  Green LED (channel OK),     Connection and type of mounting:
                                  Red LED (channel triggered)   Wire connection        Input (+): WAGO 831 Series
          Signaling               8 x LED (green/red/orange)                           Input (–), Output, Signalising:
          Remote input            Reactivation of all tripped channels via             WAGO 721 Series
                                  15 – 30 VDC pulse for min. 500 ms.   Cross sections  Input (+):
                                  Switching on/off any number of channels              0.5 mm² ... 10 mm² / AWG 20 ... 8
                                  via pulse sequence.                                  Input (–), Output, Signalising:
        Efficiency / power losses:                                                     0.08 mm² ... 2.5 mm² / AWG 28 ... 12
          Efficiency              99 % typ.                     Strip lengths          Input (+): 13 ... 15 mm / 0.55 in
                                  1.3 W (stand-by) / 20 W (nominal load)               Input (–), Output, Signalising:
          Power loss P V
        Fuse protection:                                                               8 ... 9 mm / 0.33 in
          Internal fuse           15 AT per channel             Type of mounting       DIN-rail mount (EN 60715)
                                                              Dimensions and weight:
                                                                Dimensions (mm) W x H x L  42 x 127 x 142.5
                                                                                       Length from upper-edge of DIN 35 rail
                                                                Weight                 800 g
                                                              Standards and approvals:
                                                                Standards/Specifications  UL 508, UL 2367, GL, EN 60950,
                                                                                       EN 61000-6-2, EN 61000-6-3
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