Page 86 - Softbound_Edition_19_en
P. 86

Solenoid
                                                                                                   Solenoids                                                                                                  MKZ45             Solenoids         103                                  MKZ45      5       6
                                                                                                                                                                                                                                                     72                                     4
                                                                                                                                                                                      Ex ia I Ma                                                                                        3                           MDZ45
       DIMENSIONS                                                                                                                  Solenoid coil M.Z45                                Ex ia II C T5/T6 Ga                                                                                                                      3       6
                                                                                                                                   for explosion hazard zones                                                                                                                                                              4
                                                                                                                                   ATEX und IECEx certified                      II 1 G Ex ia IIC Ga T6, T5                                                      94
                                                                                                                                   Protection class IP65
                                          NPT 1/2“                                                                                                                               I M1 Ex ia I Ma                                      45      29.3           22.15      29.3


                                                                  42                  93,3                                                                                                                                                  1.3    100    1.3            43.1           2             1              2             1
                                                                                                                                   DESCRIPTION                        FUNCTION                           APPLICATION
                                      22  18,2                                                                                     The solenoid coil for explosion hazard areas in   The winding resistance can be adapted to   The solenoid coil is certified as a device of the
                                      Ø                                                                                            the ignition protection type «intrinsically safe»   the intrinsically safe electric power supply uti-  device groups I+II, category 1. This signifies
                                         Ø
                                                                  22,5                                                             is utilised on solenoid spool valves.  lised, in the range of 20...1000 Ω. With 100 Ω   that the devices are suitable for utilisation in
                                                                                                                                                                      or 152 Ω coil resistance it is adapted to the   areas with explosive gas -, vapour -, mist - and
                                                                                                                                                                                                               MBZ45
                                      20°
                                                                                                                                                                      recommended electric power supplies. Three   air mixtures of the zones 0, 1 and 2 as well as                 MDZ45
                                               1,4                                                                                                                    diodes connected in parallel with the winding   in mining applications.
                                                   60                       45                                                                                        serve to render the inductivity ineffective, and   Intrinsically safe valves are used in:
       CHARACTERISTICS                                                                                                                                                a diode connected in series serves as a pro-  – the shipping- and offshore industries
       Coil winding isolation class  H                                                    12 VDC                                                                      tection against reverse polarity. The electrical   – the oil- and gas industries         86
       Protection class                                     Nominal power (W)                 17                                                                      minimum values for a secure operation can   – the chemical industry                                                                                           56
       in acc. EN 60529    IP65/67, with corresponding cable gland     Nominal resistance (Ω)             8,5                                                         be taken from the corresponding data sheet   – the mining application
                           and correct installation         Recommended rated               3'150                                                                     of the valve.
       Relative duty factor   100 % DF, combined with armature tube    current for fuse inserts (mA)                               CERTIFICATES
                           and valve                        Limiting current (mA)           1'000
       Reference temperature   Execution L17:               (Proportional function)                                                 in accordance with      Surface           Mining
                           -40…+70 °C (Operation as T1…T4)                                24 VDC
       Housing             Steel housing, Zinc-/Nickel-coated                                                                       ATEX / UKEX               x                 x
                           NEMA 4X                          Nominal power (W)                 17                                    IECEx                     x                 x
       Relative humidity factor   max. 95 % (not dew-forming)    Nominal resistance (Ω)             34                                                                                                                                                                               MGZ45
       Corrosion protection   Salt spray test in accordance with  Recommended rated         1'600                                   CCC                       x                 x                             MJZ45
                           EN ISO 9227 > = 1000 hours       current for fuse inserts (mA)
       Maximum operating                                    Limiting current (mA)            510                                   The certificates can be found on www.wandfluh.com / DOWNLOADS / Accompanying Ex-proof / M.Z45
       voltage             Nominal voltage +10 %            (Proportionalfunktion)
       Nominal frequency   in acc. with name plate ±2 %                                                                            TYPE CODE                                                                                                                   72                                                                   78
       Standard            U   =  12 VDC                                                  115 VAC                                                                                        M           Z   45    -      -   #
                            N
       nominal voltages    U   =  24 VDC                    Nominal power (W)                 17
                            N
                           U   =  115 VAC                     Nominal resistance (Ω)             607                                Mobile type, metal housing
                            N
       Standard-                                            Recommended rated                400
       nominal powers      P   =  17 W                      current for fuse inserts (mA)                                           Terminal box with cable screw connection M20x1,5   K
                            N
       Electrical connection   Screw terminal                                                                                       DIN                                      D
       Wire diameter       0,75...2,5mm  / 20...14 AWG                                                                              Other connectors on request
                                    2
                                                                                                                                    Explosion proof execution , Ex ia
                                                                                                                                    45 mm square housing           MKZ45
                                                                                          MKZ45                                103                                            5       6
                                                                                                                                 72                                     4
                                                                                                                                    Coil resistance   100 Ω          3      100
                                                                                                                                                     152 Ω                  152                 MDZ45
                                                                                                                                                                                                            3      6
                                                                                                                                    Temperature range    -25° C to...                                   4
                                                                                                                                                     -40° C to ...         M224
                                                                                                                                             94      -60° C to ...           on request
                                                                                                                                         22.15
                                                                                                                                           29.3
                                                                                                                   45   29.3        Design-Index (Subject to change)



                                                                                                                        1.3        DIMENSIONS                        2
                                                                                                                                      1.3
                                                                                                                               100                   43.1                         1               2             1
                                                                                                                                   Type MKZ45                                           Type MDZ45
       OPERATION SECURITY                                   ACCESSORIES
              The solenoid coil must only be put into operation, if the require-  – The  operating instructions MKU45/18x60 is  supplied in German,    MKZ45   103                       MKZ45       5       6
              ments of the operating instructions supplied are observed to   English and French (download under www.wandfluh.com                       72                                     4
              their full extent.                                                            MBZ45                                                                                          3                          MDZ45
              In case of non-observance, no liability can be assumed.  –  Certificate / ATM                                                                     MDZ45
                                                              (download under www.wandfluh.com)                                                                                                                                   3      6
              A corresponding fuse in accordance with its design current                                                                                                                                                      4
              has to be connected in series as short-circuit protection for                                                                 86                      94
              every solenoid coil.
                                                                                                                                         45   29.3              22.15   29.3                                     56
       INSTALLATION
       For stack assembly please observe the remarks in the operating
       instructions.                                                                                                                           1.3          1.3                            2
                                                                                                                                                     100                   43.1                          1              2             1
       Wandfluh AG        Tel.  +41 33 672 72 72   E-mail:  sales@wandfluh.com   Illustrations not obligatory   Data sheet no.     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   1.1-184E 2/2              Postfach            Fax  +41 33 672 72 12   Internet:  www.wandfluh.com   Data subject to change   1.1-185E 1/2
       CH-3714 Frutigen                                                                            Edition 22 03  MBZ45            CH-3714 Frutigen              MGZ45                                                          Edition 22 11
       Page 86                                                                             MJZ45                                                                                      MDZ45



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