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2021-02-10 / V1.0

Contactors C195 Series – Installation and Maintenance Instructions

7.2.5 Connecting the auxiliary switches ...............................................................................23

Auxiliary switches at latching contactor variants ...................................................24

7.2.6 Connecting the coil ...........................................................................................................25

Coil connections at latching contactor variants .....................................................26

7.2.7 Connecting the main contacts ......................................................................................27

Main contact connection with cables ........................................................................27

Main contact connection with busbars .....................................................................29

7.3 Connecting the earth terminal (only for C195 X/) .................................................31

7.4 Checks ....................................................................................................................................31

8. Maintenance ...................................................................................................................32

8.1 Safety ......................................................................................................................................32

8.2 Preventive maintenance .................................................................................................32

8.2.1 Intervals for regular tests/checks .................................................................................32

8.2.2 Regular tests/checks .........................................................................................................33

8.3 Corrective maintenance measures – type C195 X/ ................................................35

8.3.1 Preparatory disassembly/assembly steps – type C195 X ....................................35

Disassembling/assembling the pole packs – Typ C195 X/ ..................................35

Removing/inserting the pole plates – type C195 X/ .............................................36

Disassembling/assembling the contact unit – type C195 X/ .............................36

Disassembling/assembling the armature – Typ C195 X/ ......................................37

Removing/attaching the cover – type C195 X/ .......................................................38

Disassembling/assembling the connecting plate – type C195 X/ ...................38

Disassembling/assembling the contact bridge unit – type C195 X/ ...............39

8.3.2 Replacing the auxiliary switches – type C195 X/ ....................................................40

8.3.3 Replacing the complete contact unit – type C195 X/ ...........................................41

8.3.4 Replacing the magnetic drive – type C195 X/ .........................................................42

8.3.5 Replacing the arcing chambers – type C195 X/ ......................................................42

8.3.6 Replacing the contact bridge unit – type C195 X/ .................................................43

8.3.7 Replacing the main contacts – type C195 X/ ...........................................................44

8.4 Corrective maintenance measures – type C195 A/, B/, S/, T/, W/ ......................46

8.4.1 Preparatory disassembly/assembly steps – type C195 A/, B/, S/, T/, W/ .........46

Disassembling/assembling the contact unit – type C195 A/, B/, S/, T/, W/ ...46

Disassembling/assembling the armature – type C195 A/, B/, S/, T/, W/ ..........48

Removing/attaching the cover – type C195 A/, B/, S/, T/, W/ .............................50

Disassembling/assembling the contact bridge unit –

type C195 A/, B/, S/, T/, W/ ..............................................................................................51

8.4.2 Replacing the auxiliary switches – type C195 A/, B/, S/, T/ .................................52

Auxiliary switches for latching contactor types ......................................................53

8.4.3 Replacing the complete contact unit – type C195 A/, B/, S/, T/, W/ .................54

8.4.4 Replacing the magnetic drive – type C195 A/, B/, S/, T/, W/ ...............................55

8.4.5 Replacing the arcing chamber – type C195 A/ und C195 B/ ..............................56

8.4.6 Replacing the contact bridge unit – type C195 A/, B/, S/, T/, W/ .......................57

8.4.7 Replacing the main contacts – type C195 A/, B/, S/, T/, W/ .................................58

9. Spare parts ......................................................................................................................60

10. Technical data .................................................................................................................61

11. Disposal ...........................................................................................................................61

Содержание C195 A

Страница 1: ...3 3 Contactors C195 series Single pole compact universal NO and CO contactors Installation and maintenance instructions Manual B195 M en...

Страница 2: ...2 Features 8 4 3 Applications 8 4 4 Technical information and material properties 8 4 5 Overview stock items 9 5 Storage 17 6 Unpacking 17 6 1 Unpacking the device 17 6 2 Check parts for transport dam...

Страница 3: ...ling assembling the contact bridge unit type C195 X 39 8 3 2 Replacing the auxiliary switches type C195 X 40 8 3 3 Replacing the complete contact unit type C195 X 41 8 3 4 Replacing the magnetic drive...

Страница 4: ...rticular importance This manual describes single pole NO and changeover contactors of the C195 series This manual describes only stock items of the above mentioned contactor types If you need a specia...

Страница 5: ...erridden The catalogue is available under https www schaltbau com en media library X The contactors may only be used when all protec tive devices are present have been correctly in stalled and are ful...

Страница 6: ...the main circuit X Besides the main power circuits also disconnect additional and auxiliary circuits X Cover or insulate adjacent live parts X The presence of a voltage free state can only be clearly...

Страница 7: ...n destroy the data on the magnetic strips of credit or similar cards X Keep credit or similar cards away from the contactors ATTENTION During switching off strong electromagnetic fields are generated...

Страница 8: ...s an added gal vanically isolated NC contact 4 2 Features X Compact universal contactors up to 1 500 V X Unidirectional bidirectional and latching contac tor variants X Broad range of possible applica...

Страница 9: ...I I G E E H C C Fig 1 C195 X left view from front right view from behind A Auxiliary switches 2x S870 flat plug connections 6 3 x 0 8 mm B Arch chambers C Plasma exits D Permanent magnets E Fastening...

Страница 10: ...G I E C D Fig 2 C195 A left view from front right view from behind A Auxiliary switches 2x S870 flat plug connections 6 3 x 0 8 mm B Arch chamber C Plasma exits D Permanent magnet inside the housing E...

Страница 11: ...A BD left view from front right view from behind A Auxiliary switch 1x S870 for customer use flat plug connections 6 3 x 0 8 mm B Arch chamber C Plasma exits D Permanent magnet inside the housing E Fa...

Страница 12: ...r AC B A H E G I E C Fig 4 C195 B left view from front right view from behind A Auxiliary switches 2x S870 flat plug connections 6 3 x 0 8 mm B Arch chamber C Plasma exits E Fastening holes for M6 scr...

Страница 13: ...A H E G I E C D Fig 5 C195 S left view from front right view from behind A Auxiliary switches 2x S870 flat plug connections 6 3 x 0 8 mm C Plasma exits D Permanent magnets inside the housing E Fasten...

Страница 14: ...6 C195 S BD left view from front right view from behind A Auxiliary switch 1x S870 for customer use flat plug connections 6 3 x 0 8 mm C Plasma exits D Permanent magnet inside the housing E Fastening...

Страница 15: ...contactor AC A H E G I E C Fig 7 C195 T left view from front right view from behind A Auxiliary switches 2x S870 flat plug connections 6 3 x 0 8 mm C Plasma exits E Fastening holes for M6 screws G Coi...

Страница 16: ...E C D K D D Fig 8 C195 W left view from front right view from behind C Plasma exits D Permanent magnets partly inside the housing E Fastening holes for M6 screws G Coil terminals A1 and A2 flat plug c...

Страница 17: ...kaging is not available care must be taken to pack the contactor in a way that prevents dam age during shipment 6 Unpacking 6 1 Unpacking the device X Before opening the packaging perform a visual ins...

Страница 18: ...vibration and shock conditions X Mounting holes must be prepared on the mount ing plate or frame according to the following di mensional drawings Fig 9 to Fig 11 9 or M8 9 or M8 182 0 2 mm Fig 9 C195...

Страница 19: ...rom the openings of the arc chambers Therefore it is extremely important to maintain the minimum clearances to ground earth and the bus bars to avoid flashovers X The required minimum clearances to al...

Страница 20: ...ing elements In designs with through holes fit the mounting screws and suitable screw locking elements on both sides and tighten the screws using nuts X Tighten the mounting screws to the specified to...

Страница 21: ...If connecting cables are used they must be select ed taking into consideration the insulation class and ambient conditions X The connecting cables of the main power circuit must be fitted with approp...

Страница 22: ...uit this includes discharging any capacitors in the main circuit X Besides the main power circuits also disconnect additional and auxiliary circuits X Cover or insulate adjacent live parts X The prese...

Страница 23: ...e and route the control wires and recep tacles only in the direction of plugging see Fig 18 to Fig 20 X Mechanically secure the control wires to mini mise feedback effects of forces caused by the wire...

Страница 24: ...e This auxiliary switch 3 is already connect ed on delivery A further S870 auxiliary switch 2 is available for cus tomer use and must be connected if applicable X Plug the pre assembled control wires...

Страница 25: ...Fig 23 to Fig 28 X Mechanically secure the control wires to mini mise feedback effects of forces caused by the wires e g shock vibrations acting on the ter minals The control wires for the coil termi...

Страница 26: ...rd for the bistable drive This auxiliary switch is already connected to the coil terminals A1 and A2 on delivery The remaining coil terminals A1 A2 and A3 5 are avail able for customer use and must be...

Страница 27: ...the insulation class there is sufficient clearance between the main con nections and the pole plates X Screw the ring terminals 2 to the main contacts 1 using the terminal screws 4 and washers 5 Schal...

Страница 28: ...assembled connecting cables 7 to the upper main contacts 6 X Place the ring terminals 8 on the upper main con tacts 6 X Screw the ring terminals 8 to the upper main contacts 6 using the terminal nuts...

Страница 29: ...angled connecting bars 8 using approriate screws nuts and washers Schaltbau recommends using Schnorr washers or similar X Connect the connecting bars 6 or angled con necting bars 8 to the main termin...

Страница 30: ...connecting bars using approriate screws nuts and washers Schaltbau recommends using Schnorr washers or similar X Connect the connecting bars 6 or angled con necting bars to the upper main terminals 9...

Страница 31: ...contactors are correctly installed on the mounting plate or mounting frame and tightly screwed in place X Check that the main circuit cables or busbars are correctly installed and fit tightly at the m...

Страница 32: ...work has been concluded follow the procedure in reverse 8 2 Preventive maintenance Contactors of the C195 series are maintenance free within the rated mechanical life time The electrical life time de...

Страница 33: ...arts X immediately replace damaged busbars X tighten loose fastening elements im mediately replace missing fastening elements X tighten the terminal screws to the rated torque Earth terminal only for...

Страница 34: ...In case of faults X in case of damage or heavy wear re place the arcing chambers see 8 3 5 Replacing the arcing chambers type C195 X or 8 4 5 Replacing the arcing chamber type C195 A und C195 B Main...

Страница 35: ...C195 X the cover of the contact unit must be opened For this purpose the following preparatory assembly steps must be carried out Disassembling the pole packs Removing the pole plates Disassembling th...

Страница 36: ...ement The pole packs are disassembled see section Disas sembling assembling the pole packs Typ C195 X on page 35 Disassembly X Pull the two pole plates 9 out of the grooves 15 on the cover and remove...

Страница 37: ...does not lift off the housing of the contact unit 2 X Screw the contact unit 2 onto the magnetic drive 3 using the two screws 1 and tighten with a torque of 1 2 1 5 Nm Disassembling assembling the arm...

Страница 38: ...plates are removed see section Remov ing inserting the pole plates type C195 X on page 36 The contact unit is disassembled see section Disas sembling assembling the contact unit type C195 X on page 36...

Страница 39: ...plates type C195 X on page 36 The contact unit is disassembled see section Disas sembling assembling the contact unit type C195 X on page 36 The armature is disassembled see section Disas sembling as...

Страница 40: ...l wires from the auxiliary switches X Loosen the self tapping screws 1 on the auxiliary switches 2 and remove them X Remove the auxiliary switches 2 from the contac tor top Assembly X Place new auxili...

Страница 41: ...positions leads to malfunctions and destruction of the contactor X Before disassembling note the orientation of the old contact unit in relation to the base plate X Disassemble the contact unit see se...

Страница 42: ...to the base plate X Carefully screw the contact unit onto the new magnetic drive and tighten with a torque of 0 8 1 Nm See section Disassembling assembling the contact unit type C195 X on page 36 X R...

Страница 43: ...Check whether the connecting plate is present and correctly positioned To do this use a continuity tester to check the electrical connection between the top arcing plates in each case All 4 arcing pla...

Страница 44: ...omplete check as described in section 7 4 Checks on page 31 8 3 7 Replacing the main contacts type C195 X Spare parts required Main contacts 2 pcs see chapter 9 Spare parts Tools required Socket spann...

Страница 45: ...ing assembling the armature Typ C195 X on page 37 X Carefully place the contact unit on the magnetic drive and screw it tight See section Disassem bling assembling the contact unit type C195 X on page...

Страница 46: ...Be sure to observe section 8 1 Safety on page 32 To replace the arcing chamber contact bridge unit and main contacts the following preparatory assembly steps must be carried out depending on the type...

Страница 47: ...rrect installation of the contact unit due to two possible installation positions leads to malfunctions and destruction of the contactor X Before installing the contact unit on the mag netic drive obs...

Страница 48: ...the armature the figure shows C195 A the procedure is identical for C195 B 5 4 Fig 58 C195 S C195 T Disassembling the armature the figure shows C195 S the procedure is identical for C195 T 5 4 Fig 59...

Страница 49: ...49 2021 02 10 V1 0 Contactors C195 Series Installation and Maintenance Instructions Maintenance 5 4 7 6 Fig 62 C195 W Assembling the armature...

Страница 50: ...er 7 upwards from the contact unit 2 2 7 0 8 1 Nm 1 Fig 63 C195 A C195 B Removing attaching the cover the figure shows C195 A the procedure is identical for C195 B 2 7 0 8 1 Nm 1 Fig 64 C195 S C195 T...

Страница 51: ...A C195 B Disassembling assembling the contact bridge unit the figure shows C195 A the pro cedure is identical for C195 B X Insert the contact bridge unit 5 into the contact unit 2 Make sure that the...

Страница 52: ...rews for lat ching versions see chapter 9 Spare parts Tools required Phillips screwdriver set Continuity tester Torque spanner Disassembly DANGER Before beginning any work on the con tactors make sure...

Страница 53: ...rect function of the auxiliary switch es X Finally subject the contactor to a complete check as described in section 7 4 Checks on page 31 Auxiliary switches for latching contactor types The latching...

Страница 54: ...tactor X Before disassembling note the orientation of the old contact unit in relation to the base plate X Disassemble the contact unit see section Dis assembling assembling the contact unit type C195...

Страница 55: ...o malfunctions and destruction of the contactor X Before disassembling note the orientation of the old contact unit in relation to the base plate X Disassemble the contact unit see section Dis assembl...

Страница 56: ...contact unit 2 and pull out the arcing chamber 13 upwards 13 2 18 Fig 73 C195 A C195 B Removing attaching the arcing chamber the figure shows C195 A the procedure is identical for C195 B Assembly ATT...

Страница 57: ...see section Removing attach ing the cover type C195 A B S T W on page 50 X Disassemble the contact bridge unit see section Disassembling assembling the contact bridge unit type C195 A B S T W on page...

Страница 58: ...ion Removing attach ing the cover type C195 A B S T W on page 50 X Remove the armature at the bottom of the con tact unit see section Disassembling assembling the armature type C195 A B S T W on page...

Страница 59: ...18 including washers only lightly onto the threaded bolts X Insert the contact bridge unit into the contakt unit see section Disassembling assembling the contact bridge unit type C195 A B S T W on pa...

Страница 60: ...Auxiliary switch group Snap action switches 2 pieces with self tapping screws x x x x x Auxiliary switch Snap action switch 1 piece with self tapping screws x x Contact unit complete Contact unit comp...

Страница 61: ...ing an environmentally sound disposal of this product at the end of its working life This product or parts of it may not be disposed of with other household waste To prevent possible harm to the envir...

Страница 62: ...62 2021 02 10 V1 0 Notes Contactors C195 Series Installation and Maintenance Instructions Notes...

Страница 63: ...63 2021 02 10 V1 0 Notes Contactors C195 Series Installation and Maintenance Instructions...

Страница 64: ...wer supplies Contactors for railway applications Terminal bolts and fuse holders DC emergency disconnect switches Special contactors to suit customer requirements Electrics for rolling stock Equipment...

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