Schaltbau C320 Series Installation And Maintenance Instructions Manual Download Page 3

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2021-07-15 / V1.0

Contactors C320K/C320S – Installation and Maintenance Manual

7.2 Electrical connection .........................................................................................................15

Electrical data and other technical specifications ...................................................15

Preparatory measures ........................................................................................................15

Safety .......................................................................................................................................16

Tools required .......................................................................................................................16

Connecting the S870 auxiliary switches .....................................................................17

Connecting the coil ............................................................................................................18

Connecting the main contacts .......................................................................................19

7.3 Checks .....................................................................................................................................21

8. Maintenance ...................................................................................................................22

8.1 Safety .......................................................................................................................................22

8.2 Preventive maintenance ...................................................................................................22

Intervals for regular tests/checks ..................................................................................22

Regular tests/checks ..........................................................................................................23

Checking the main contacts ...........................................................................................24

8.3 Corrective maintenance ...................................................................................................25

Replacing the S870 auxiliary switches .........................................................................25

9. Spare parts ......................................................................................................................27

10. Technical data .................................................................................................................27

11. Disposal ...........................................................................................................................27

Summary of Contents for C320 Series

Page 1: ...3 3 Contactors C320 series 1 pole AC and bi directional DC NO contactors for 1 000 A Installation and maintenance instructions Manual C320 M en...

Page 2: ...ns 6 3 1 Electrical hazards 6 3 2 Other hazards 6 3 3 Measures for avoiding damage and malfunctions 7 4 Product information 8 4 1 C320 1 pole bi directional DC NO contactors 8 4 2 Technical informatio...

Page 3: ...required 16 Connecting the S870 auxiliary switches 17 Connecting the coil 18 Connecting the main contacts 19 7 3 Checks 21 8 Maintenance 22 8 1 Safety 22 8 2 Preventive maintenance 22 Intervals for re...

Page 4: ...methods to simplify working or indicates informa tion of particular importance This manual describes single pole contactors of the fol lowing types C320K 1000 C320S 1000 2 General and safety informati...

Page 5: ...ons defined in the cor responding technical data sheets or in our C320 catalogue may be overridden The C320 catalogue is available under https www schaltbau com media C320_en pdf X The contactors may...

Page 6: ...e 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 id...

Page 7: ...estroy 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 in...

Page 8: ...breaking capacity are important fea tures of the new contactor X Compact dimensions high rated insulation volt age Ui up to 1 800 volts X High making capacity Icm of up to 3 000 amps and an excellent...

Page 9: ...acts connection M8 torque 10 12 Nm C Base plate with 4 fastening holes for M5 screws torque 2 3 2 7 Nm D Fixing lugs for bundling and fixing control wires with cable ties E Auxiliary switch S870 W1D1...

Page 10: ...M8 torque 10 12 Nm C Base plate with 4 fastening holes for M5 screws torque 2 3 2 7 Nm D Fixing lugs for bundling and fixing control wires with cable ties E Auxiliary switch S870 W1D1 t flat plug conn...

Page 11: ...ing 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 inspec...

Page 12: ...aded holes for threaded screws or through holes for threaded screws and nuts X Fastening of the contactors on the mounting plate is performed using four M5 mounting screws The length of the mounting s...

Page 13: ...currents produces elec tric arcs and it is possible that plasma will escape from the openings of the arcing chambers There fore it is extremely important to maintain the minimum clearances to ground e...

Page 14: ...Tools required X Socket spanner set hexagon nuts X Open ended spanner set X Torque wrench X Hex key set Installing the contactor X Ensure that the contact surfaces on the mounting plate 3 are free fr...

Page 15: ...able under https www schaltbau com media C320_en pdf X The connecting wires of the main power circuit must be fitted with appropriate ring terminals for M8 terminal screws X Schaltbau recommends Schno...

Page 16: ...s 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 presence of...

Page 17: ...s caused by the wires e g shock vibrations acting on the terminals X Route the coil control wires 1 to the auxiliary switches 2 X Plug the pre assembled control wires with the re ceptacles 1 to the co...

Page 18: ...o such diode is used in your control circuit ATTENTION X Mechanically secure the control wires to mi nimise feedback effects of forces caused by the wires e g shock vibrations acting on the terminals...

Page 19: ...ction with wires are shown in Fig 13 and Fig 14 X Route the pre assembled connecting wires to both main contacts 4 X Screw the 4 ring terminals 3 in place from above using the terminal screws 1 nuts 5...

Page 20: ...he busbars 3 to both main contacts 4 X Screw the busbars 3 to the main contacts 4 us ing the terminal screws 1 nuts 5 and suitable screw locking elements 2 Schaltbau recommends using Schnorr washers o...

Page 21: ...ect polar ity X Check that the control wires are correctly connect ed to the auxiliary switches Check the correct assignment and function of the auxiliary switches using a continuity tester X Switch t...

Page 22: ...the procedure in reverse 8 2 Preventive maintenance Contactors of the C320 series are maintenance free within the rated mechanical life time The electrical life time depends on the number of switching...

Page 23: ...ace missing fastening elements X tighten the terminal screws to the rated torque Contactor housing Check for X dirt X loose or missing fastening elements penetrations holes in the housing wall X damag...

Page 24: ...e nance Replacing the S870 auxil iary switches Checking the main contacts The housing of the contactor has inspection openings on both narrow sides 1 through which the main con tacts can be inspected...

Page 25: ...ls required Continuity tester Procedure X Pull off the receptacles of the control wires from the auxiliary switches X Carefully release the snap fit hook 1 of the catch mechanism Be careful not to dam...

Page 26: ...6 2021 07 15 V1 0 Maintenance Contactors C320K C320S Installation and Maintenance Manual 1 1 2 2 Fig 21 C320S Replacing the auxiliary switches 1 2 3 3 2 Fig 22 C320S Replacing the auxiliary switches 2...

Page 27: ...vailable under https www schaltbau com media C320_en pdf 11 Disposal This product is designed for exclusive professional use by commercial companies The owner is responsible for ensuring an environmen...

Page 28: ...mmunications engineering MIL connectors Charging connectors for battery powered machines and systems Connectors for railway engineering including UIC connectors Special connectors to suit customer req...

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