Related Manuals for Schaltbau C295 Series
Summary of Contents for Schaltbau C295 Series
- Page 1 Contactors C295 series Double pole NO contactors Installation and maintenance instructions Manual B295-M.en...
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Page 2: Table Of Contents
Document Revision History Date Rev. Level Description Pages 2020-05-13 First release Content Important basic information ..................4 Legal notes ..........................4 Conventions for this manual ..................... 4 General and security information ................4 Observing the instructions ....................4 User obligations ........................5 Intended use ........................... - Page 3 Electrical installation ......................13 7.2.1 Electrical data and further technical specifications ..........13 7.2.2 Preliminaries .........................13 7.2.3 Safety ............................13 7.2.4 Required tools ........................14 7.2.5 Connect the auxiliary contacts ..................14 7.2.6 Connect the coil terminals ....................15 7.2.7 Connect the main contacts .....................15 Main contact connection with cables .................15 Main contact connection with busbars ..............16 Checks .............................17 Maintenance ........................18...
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Page 4: Important Basic Information
1. Important basic information 1.1 Legal notes CAUTION Without prior written consent of Schaltbau GmbH, this Indicates a hazardous situation with a low level of manual is not allowed to be electronically or mechani- risk which, if not avoided, may result in minor or cally reproduced –... -
Page 5: User Obligations
B295. The catalogue is available under: B295 in section “Specifications“, such as volt- https://www.schaltbau.com/en/media-library/ ages, currents, ambient conditions, etc. may be changed. The catalogue is available under: https://www.schaltbau.com/en/media-library/... -
Page 6: Dangers And Security Measures
Dangers and security measures 3. Dangers and security measures 3.1 Electrical dangers DANGER The contactors are used to switch voltage. The touching of electrically conducting parts may result in serious injuries or even death! Energized parts are all metal parts belonging directly to one of the circuits or wires leading there. All other visible metal parts and wires may also be energized in the case of a failure. -
Page 7: Measures For Avoiding Damages And Malfunctions
Dangers and security measures 3.3 Measures for avoiding damages and malfunctions NOTICE Aggressive fluids may damage the contactors. Make sure that the contactors are not exposed to aggressive fluids. NOTICE Improper handling of the contactors, e.g. when hitting the floor with some impact, can result in breakage, cracks and deformation. -
Page 8: Product Information
B295. The catalogue is available under: contact life. https://www.schaltbau.com/en/media-library/ 4.2 Features Compact in size Double-break contacts With magnetic blowout for DC arc quenching... -
Page 9: Overview
Product information 4.5 Overview Fig. 1: Overview C295 series Auxiliary contacts (2x S870), Terminals: Flat tabs 6.3 x 0.8 mm Arc chambers Plasma exits Permanent magnets Main contacts, Terminals: M6, Tightening torque: 6 Nm max. Coil suppression: Varistor Coil terminals: Cage clamp Mounting holes for screws M6, Tightening torque depends on the property class (min. -
Page 10: Storage
► Return shipments Schaltbau recommends to keep the original packing box for any return shipments. If no original packing box is available care must be taken to pack the contactor in a way that prevents damage during shipment. -
Page 11: Installation
- In order to secure the mounting screws against given in the respective data sheets or in our catalogue. self-loosening, appropriate screw locking ele- Refer to our catalogue B295. ments have to be provided. Schaltbau strongly The catalogue is available under: recommends Schnorr-Washers (or similar) to se- https://www.schaltbau.com/en/media-library/ cure the screws. -
Page 12: Required Minimum Clearance
B295. The the contactor are free from dirt and other contami- catalogue is available under: nation (e. g. metal cuttings). https://www.schaltbau.com/en/media-library/ Place the contactor (1) on the mounting plate (3) or frame provided with the mounting holes. 7.1.5 Ventilation requirements Screw the contactor (1) to the mounting plate (3) or frame using the 3 mounting screws (2). -
Page 13: Electrical Installation
The cables of the main current circuit must be fit- ted with appropriate ring cable lugs (for terminal screws M6). 7.2.1 Electrical data and further Schaltbau recommends Schnorr-Washers (or simi- technical specifications lar) to secure the terminal screws against self-loos- ening. -
Page 14: Required Tools
Installation 7.2.4 Required tools - Socket wrench set, hexagon nuts - Open-end wrench set 6.3 x 0.8 mm - Torque wrench 6.3 x 0.8 mm - Continuity tester - Cable ties 7.2.5 Connect the auxiliary contacts NOTICE Make sure that according to the insulation coordina- tion there is sufficient clearance between the wires of the control voltage and the main connections. -
Page 15: Connect The Coil Terminals
(1) using the terminal screws (4) and washers (5). cordingly. - Schaltbau recommends Schnorr-Washers (or Connect the prepared stripped control wires (4) to similar) to secure the terminal screws. the cage clamp terminals (5) on the terminal block Tighten the terminal screws (4) with a torque of (5). -
Page 16: Main Contact Connection With Busbars
(6) or angled connecting bars (8) using approriate screws and washers. max. 6 Nm max. 6 Nm - Schaltbau recommends Schnorr-Washers (or similar) to secure the screws. Connect the connecting bars (6) or angled con- necting bars (8) to the main terminals (1) using the terminal screws (4) and washers (5). -
Page 17: Checks
Switch the contactor several times without load. Perform a functional test (undervoltage, dropp-off voltage of the contactor) according to Schaltbau requirements. Refer to catalogue B295. Check the laying of cables. Cables must not be squeezed or bent. If applicable bundle and secure with cable ties. -
Page 18: Maintenance
Only an electrically skilled person may determine if there is no voltage present When the work has been concluded, proceed the other way round. 8.2 Preventive maintenance Contactors of the C295 series are maintenance-free Unscheduled checks are only necessary if there has within the rated mechanical life time. The electrical... -
Page 19: Regular Check Activities
Maintenance 8.2.2 Regular check activities All of the maintenance activities that may be carried out on the contactors by skilled personnel are listed below. Component Visual inspection Measures Cables/busbars Check for: In case of faults: broken cables, cable lugs immediately replace damaged cables or cable lugs damaged insulation immediately replace damaged bus-... -
Page 20: Corrective Maintenance
However, if an excessive number of emergency shut- tactors, make sure that downs or damage has occurred during operation, there is no voltage present, Schaltbau offers original spare parts. all safety regulations are fully ob- served. WARNING Refer also to section“8.1 Safety”. -
Page 21: Assembly
Maintenance Assembly 8.3.2 Check the main contacts If the contact material on one of the contacts on the NOTICE contact bridge or on the fixed contacts has burned away to less than 0.7 mm minimum height, replace the Incorrect installation of the auxiliary contacts leads complete contact unit. - Page 22 Maintenance First remove the complete contact unit, see sec- Check the main contacts. In doing so tion “8.3.3 Replace the complete contact unit” / - check the contacts (7) on the bottom side of the “Disassembly”. movable contact bridge, Note the orientation of the cover (5) in relation to - as well as the stationary fixed contacts (8) in the the housing of the contact unit (2).
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Page 23: Replace The Complete Contact Unit
Maintenance Place the cover (5) in the correct position on the Loosen the 2 screws (1) on the contactor cover contact unit (2). (the screws need not be removed from the cover). Check all parts for correct assembly and correct fit. Carefully lift the contact unit (2) off the magnetic drive (3). -
Page 24: Replace The Magnetic Drive
Maintenance 8.3.4 Replace the magnetic drive max. 1.5 Nm Required spare parts Magnetic drive with specified coil voltage depending on the contactor type. See chapter “9. Spare parts”. Required tools - Slotted screwdriver set - Continuity tester - Torque wrench Disassembly DANGER Before beginning any work on the con-... -
Page 25: Spare Parts
Spare parts 9. Spare parts Important! Depending on the type of contactor, dif- ferent types of spare parts must be used. Therefore always provide the exact type and article number of the contactor when ordering spare parts. You will find the in- formation on the rating plate. -
Page 26: Technical Data
Technical data 10. Technical data Technical data for C295 series contactors can be found in our catalogue B295. Due to our continuous improvement programme, the design of our products can be modified at any time. So some features may differ from the descriptions, specifications and drawings in the catalogues. - Page 27 Notes Notes Contactors C295 – Installation and Maintenance Instructions 2020-05-13 / V1.0...
- Page 28 High-voltage heaters ■ High-voltage roof equipment ■ Equipment for electric brakes ■ Design and engineering of train electrics to customer requirements We reserve the right to make technical alterations without prior notice. Printed in Germany For updated product information visit www.schaltbau-gmbh.com..