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Solenoid accessory


                                                                                                                                   Power reducing plug P03
                                                                                                                                   •  After energising solenoid current is reduced by 50%
                                                                                                                                   •  Direct mounting on the valve
                                                                                                                                   •  Protection class IP 65                         DIN 43650
                                                                                                                                   •  Housing types for solenoids from  29
                                                                                                                                                                                     ISO 4400


                                                                                                                                   DESCRIPTION                        FUNCTION                           APPLICATION
                                                                                                                                   Power reducing plug direct solenoid mounting.     Once the power has been switched on, nominal   The housing is splash-protected, and can
                                                                                                                                   Contact arrangement in accordance with   current passes through the solenoid for approx.   be used over a wide temperature range.
                                                                                                                                   DIN 43650, form A (ISO 4400) for DC switching   380ms, thereafter the current is limited to half   The power reduction plug is suitable both for
                                                                                                                                   solenoids from  29 or bigger. The protection   of the nominal value by the cycle controlled   industrial and mobile use. The plug can be
                                                                                                                                   class of the power reduction plug is IP65 when   output stage. If the power reduction plug versi-  rotated through 180°. It protects continuously
                                                                                                                                   fitted according to EN 60 529. The connecting   on 90…230 VAC/DC is supplied foralternating   energised  solenoids  (e.g.  used  as  a  safety
                                                                                                                                   cable has to be attached to the screw terminals   current, it is nevertheless advantageous to use   device) from overtemperature and premature
                                                                                                                                   in the plug.                       a DC solenoid.                     ageing. By overenergisation, a valve which
                                                                                                                                                                                                         is in deenergised normal position (eventually
                                                                                                                                                                                                         seized piston) can be switched straight through
                                                                                                                                                                                                         under high-power.

                                                                                                                                   CONTENTS                           TYPE CODE
                                                                                                                                                                                                                        P  03  A  -  1   #
                                                                                                                                   GENERAL SPECIFICATIONS  ................. 1
                                                                                                                                                                      Plug
                                                                                                                                   ELECTRICAL SPECIFICATIONS  ............ 1  Type number
                                                                                                                                   BLOCK DIAGRAM  .................................... 1  Housing type A for solenoids  29 or larger
                                                                                                                                                                      1-solenoid-version
                                                                                                                                   DIMENSIONS  ........................................... 2
                                                                                                                                                                      Supply voltage
                                                                                                                                                                      12...24 VDC                  D2
                                                                                                                                   APPLICATION POSSIBILITIES  ............... 2
                                                                                                                                                                      90...230 VAC or 90...230 VDC   B0
                                                                                                                                   START-UP  ................................................. 2  Design-Index (Subject to change)

                                                                                                                                   GENERAL SPECIFICATIONS                               ELECTRICAL SPECIFICATIONS
                                                                                                                                   Plug housing        Polyamid                         Supply voltage   12...24VDC   Range: 11...36VDC
                                                                                                                                   Plug lid            Polycarbonat                                      90...230VAC/DC  Range: 80...240VAC/DC
                                                                                                                                   Weight              30g                                               Caution: Voltages which are outside of the
                                                                                                                                   Connections         by cable 0,5…1,5 mm 2                             tolerance can destroy the electronics!
                                                                                                                                   Ambient temperature   -25…60°C                       Dither           Frequency fix ca. 700 Hz
                                                                                                                                                       higer temperatures on request    Solenoid current   Version 12...24VDC (P03A-1D2)
                                                                                                                                                                                                         I Nmax  = 3,8A
                                                                                                                                                                                                         Version 90...230VAC/DC (P03A-1B0)
                                                                                                                                                                                                         I Nmax  = 0,6A
                                                                                                                                                                                        Switching frequency   600/h (50% ED)
                                                                                                                                                                                                         Higher switching frequencys on request
                                                                                                                                                                                        EMC              IEC 801-4 Level 3

                                                                                                                                   BLOCK DIAGRAM

                                                                                                                                                        1
                                                                                                                                           +
                                                                                                                                      Supply                                                                        Solenoid
                                                                                                                                                                                                 U
                                                                                                                                                        2
                                                                                                                                                                                                    I



                                                                                                                                                                                  PWM

                                                                                                                                                        3
                                                                                                                                         Ground




                                                                                                                                   Wandfluh AG         Tel.  +41 33 672 72 72   E-mail:  sales@wandfluh.com   Illustrations not obligatory   Data sheet no.
                                                                                                                                   Postfach            Fax  +41 33 672 72 12   Internet:  www.wandfluh.com   Data subject to change   1.1-320E 1/2
                                                                                                                                   CH-3714 Frutigen                                                                             Edition 03 19
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