Contactors and Contactor Assemblies
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1 Contactors and Contactor Assemblies SIRIUS Overview The contactor assemblies can be ordered as follows: Sizes S00 to S3 Fully wired and tested, open type, with mechanical and electrical interlock. 1 ) Sizes S00 to S12 As components for customer assembly. There is also a range of accessories (auxiliary switch blocks, surge suppressors, etc.) that must be ordered separately. For overload relays for motor protection, see section 3. The 3RA13 have screw connections and are available for screwing or snapping onto 35 mm standard mounting rails. The s and u approvals only apply to the complete contactor assemblies and not to the components for customer assembly. AC and IEC , EN (VDE 0660) horsepower rating at 460 V AC Size Order No. Contactor Mechanical interlock 2 ) Mechanical interlock 3 ) Mechanical interlock 4 ) Installation kit Fully wired and tested contactor HP A assembly 3 7 S00 3RT ) 3RA A 6 ) 3RA XB RT RA XB RT RA XB S0 3RT RA A 3RA B 3RA A 7 ) 3RA XB RT RA XB RT RA XB RT RA XB S2 3RT RA A 3RA B 3RA A 8 ) 3RA XB RT RA XB RT RA XB RT RA XB S3 3RT RA A 3RA B 3RA A 9 ) 3RA XB RT RA XB RT RA XB S6 3RT RA A 3RA A 10 ) RT RT S10 3RT RA A 3RA A 10 ) RT RT S12 3RT RA A 3RA A 10 ) RT10 76 For dimension drawings, see page 2/ /64 1) An additional dead interval of 50 ms is necessary on reversing at voltages > 500 V. 2) Laterally mountable with one auxiliary contact. 3) For front mounting with one auxiliary contact. 4) Laterally mountable without auxiliary contact. 5) Interlock must be ordered with installation kit. 6) Installation kit contains: mechanical interlock; 2 connecting clips for 2 contactors; wiring connectors on the top and bottom. 7) Installation kit contains: wiring connectors on the top and bottom. 8) Installation kit contains: 2 connecting clips for 2 contactors; wiring connectors on the top and bottom. 9) Installation kit contains: 2 connecting clips for 2 contactors; wiring connectors on the top and bottom. 10) Installation kit contains: wiring connector on the top and bottom.
2 SIRIUS Contactors and Contactor Assemblies Design Complete equipment assemblies The fully wired reversing contactor assemblies are suitable for use in any climate. They are safe from touch to DIN VDE 106 Part 100. The each consist of two contactors with identical ratings and one NC contact in the basic unit. The contactors are mechanically and electrically interlocked (NC contact interlock). The main and control circuits are wired according to the circuit diagrams on page 2/161. For motor protection, either 3RU11 overload relays for direct mounting or individual mounting or thermistor motor protection tripping units must be ordered separately. Components for customer assembly Installation kits for all sizes are available for customer assembly of reversing contactor assemblies. Contactors, overload relays, the mechanical interlock (as of size S0) and - for momentary-contact operation - auxiliary switch blocks for latching must be ordered separately. The following points should be noted: Size S00 For maintained-contact operation: use contactors with an NC contact in the basic unit for the electrical interlock. For momentary-contact operation: use contactors with an NC contact in the basic unit for the electrical interlock; in addition, an auxiliary switch block with at least one NO contact for latching is required per contactor. Sizes S0 to S3 For maintained-contact operation: the contactors have no auxiliary contact in the basic unit; NC contacts for the electrical interlock are therefore integrated in the mechanical interlock that can be mounted on the side of each contactor (one contact each for the left and right-hand contactors). For momentary-contact operation: the electrical interlock is the same as for maintained-contact operation; in addition, an auxiliary switch with one NO contact for latching is required per contactor. This contact can be snapped onto the top of the contactors. Alternatively, auxiliary switch blocks mounted on the side can be used; they must be fitted onto the outside of each contactor. If the front-mounted mechanical interlock is used for size S0 to S3 contactors, two location holes for single-pole auxiliary switch blocks are provided on the front of each S0 or S2 contactor, while three additional, single-pole auxiliary switch blocks can be snapped onto S3 contactors. The auxiliary switch complements per contactor stated on page 2/12 must not be exceeded. When size S2 and S3 contactors are combined with a frontmounted mechanical interlock, the 3RA B and 3RA B installation kits cannot be used. Sizes S6 to S12 To insert the mechanical interlock, the prestamped location holes positioned opposite on the contactor must be knocked out. The internal auxiliary contacts (up to 1 NO + 1 NC per contactor) can be used for the electrical interlock and latching. The mechanical interlock itself does not contain any auxiliary contacts. Additional auxiliary contacts can be used on the outside and front (on the front in the case of 3RT10) of the reversing contactor assembly. Principle of operation The operating times of the individual 3RT10 contactors are rated in such a way that no overlapping of the contact making and the arcing time between two contactors can occur on reversing, providing they are interlocked via their auxiliary switches (NC contact interlock) and the operating mechanisms. An additional dead interval of 50 ms is necessary on reversing if the individual contactors are used at voltages > 500 V. The operating times of the individual contactors are not affected by the mechanical interlock. Surge suppression Sizes S00 to S3 All can be fitted with RC elements or varistors for damping opening surges in the coil. As with the individual contactors, the surge suppressors can either be plugged onto the top of the contactors (S00) or fitted onto the coil terminals on the top or bottom (S0 to S3). Sizes S6 to S12 The contactors are fitted with varistors as standard. 2/65
3 Contactors and Contactor Assemblies SIRIUS Size S00 up to 5.5 kw Rated control supply voltage Horsepower ratings of three-phase motors 200 V 230 V 460 V 575 V Order No. Fully wired and tested contactor assembly 3 ) V, 50/60 Hz 3RA XB30-1AB V, 60 Hz 3RA XB30-1AK V, 60 Hz 3RA XB30-1AP V, 50/60 Hz 3RA XB30-1AB V, 60 Hz 3RA XB30-1AK V, 60 Hz 3RA XB30-1AP V, 50/60 Hz 3RA XB30-1AB V, 60 Hz 3RA XB30-1AK V, 60 Hz 3RA XB30-1AP DC 24 V 3RA XB30-1BB DC 24 V 3RA XB30-1BB DC 24 V 3RA XB30-1BB Accessory Order No. Page 13 Solder pin adapter 3RT KA1 2/51 14 mountable on the front 3RH /41 (only auxiliary switch blocks to DIN EN can be used) 16 Surge suppressor 3RT /47, 2/ Contactors, 3 HP 3RT RT / Contactors, 5 HP 3RT RT / Contactors, 7.5 HP 3RT RT / Installation kit 3RA A 2/71 The installation kit contains: Mechanical interlock 2 connecting clips for 2 contactors Wiring connectors on the top and bottom for connecting the main conducting paths, electrical interlock included 2 ), interruptible (NC contact interlock) 2/66 1) 3RT10 1. contactors with one NC contact in the basic unit are required for the electrical interlock. 2) The contactors integrated in the contactor assemblies have no unassigned auxiliary contacts.
4 SIRIUS Contactors and Contactor Assemblies Size S0 up to 15 HP Rated control supply voltage HP ratings of three-phase motors 200/208 V 230/240 V 460/480 V 575/600 V Order No. Fully wired and tested contactor assembly V, 50/60 Hz 3RA XB30-1AC V, 60 Hz 3RA XB30-1AK V, 60 Hz 3RA XB30-1AP V, 50/60 Hz 3RA XB30-1AC V, 60 Hz 3RA XB30-1AK V, 60 Hz 3RA XB30-1AP V, 50/60 Hz 3RA XB30-1AC V, 60 Hz 3RA XB30-1AK V, 60 Hz 3RA XB30-1AP V, 50/60 Hz 3RA XB30-1AC V, 60 Hz 3RA XB30-1AK V, 60 Hz 3RA XB30-1AP DC 24 V 3RA XB30-1BB DC 24 V 3RA XB30-1BB DC 24 V 3RA XB30-1BB DC 24 V 3RA XB30-1BB The connecting leads are not shown. Accessory Order No. Page mountable on the front 3RA A 2/70 mountable on the front 3RH CA.. 2/42 laterally mountable 3RH EA.. 2/43 Surge suppressor 3RT / Contactors, 5 HP 3RT RT / Contactors, 7.5 HP 3RT RT / Contactors, 10 HP 3RT RT / Contactors, 15 HP 3RT RT / laterally mountable 3RA B 2/70 Installation kit 3RA A 2/71 The installation kit contains wiring connectors on the top and bottom (they also form the mechanical connection between the contactors). 2/67
5 Contactors and Contactor Assemblies SIRIUS Size S2 up to 40 HP Rated control Fully wired and tested HP ratings of three-phase motors supply voltage 1 ) contactor assembly 200/208 V 230/240 V 460/480 V 575/600 V Order No V, 50/60 Hz 3RA XB30-1AC V, 60 Hz 3RA XB30-1AK V, 60 Hz 3RA XB30-1AP V, 50/60 Hz 3RA XB30-1AC V, 60 Hz 3RA XB30-1AK V, 60 Hz 3RA XB30-1AP V, 50/60 Hz 3RA XB30-1AC V, 60 Hz 3RA XB30-1AK V, 60 Hz 3RA XB30-1AP V, 50/60 Hz 3RA XB30-1AC V, 60 Hz 3RA XB30-1AK V, 60 Hz 3RA XB30-1AP DC 24 V 3RA XB30-1BB DC 24 V 3RA XB30-1BB DC 24 V 3RA XB30-1BB DC 24 V 3RA XB30-1BB The connecting leads are not shown. Accessory Order No. Page mountable on the front 3RA A 2/70 mountable on the front 3RH CA.. 2/42 laterally mountable 3RH EA.. 2/43 Surge suppressor 3RT /48 3RT Contactors, 20 HP 3RT RT / Contactors, 25 HP 3RT RT / Contactors, 30 HP 3RT RT / Contactors, 40 HP 3RT RT /18 4 laterally mountable 3RA B 2/ Installation kit 3RA A 2/71 The installation kit contains: connecting clips for 2 contactors with a clearance of 10 mm Wiring connectors on the top and bottom for connecting the main conducting paths 2/68
6 SIRIUS Contactors and Contactor Assemblies Size S3 up to 45 kw Rated control Fully wired and tested HP ratings of three-phase motors supply voltage contactor assembly 200/208 V 230/240 V 460/480 V 575/600 V Order No V, 50/60 Hz 3RA XB30-1AC V, 60 Hz 3RA XB30-1AK V, 60 Hz 3RA XB30-1AP V, 50/60 Hz 3RA XB30-1AC V, 60 Hz 3RA XB30-1AK V, 60 Hz 3RA XB30-1AP V, 50/60 Hz 3RA XB30-1AC V, 60 Hz 3RA XB30-1AK V, 60 Hz 3RA XB30-1AP DC 24 V 3RA XB30-1BB DC 24 V 3RA XB30-1BB DC 24 V 3RA XB30-1BB The connecting leads are not shown. Accessory Order No. Page mountable on the front 3RA A 2/70 mountable on the front 3RH CA.. 2/42 laterally mountable 3RH EA.. 2/43 Surge suppressor 3RT /48 3RT ) Coil voltage tolerance at 50 Hz: x U s at 60 Hz: x U s 1 2 Contactors, 50 HP 3RT RT / Contactors, 60 HP 3RT RT / Contactors, 75 HP 3RT RT /18 4 laterally mountable 3RA B 2/ Installation kit 3RA A 2/71 The installation kit contains: 5 2 connecting clips for 2 contactors with a clearance of 10 mm 6 Wiring connectors on the top and bottom 2/69
3RT1015-1BB41 CONTACTOR, AC-3 3 KW/400 V,
Automation Technology > Industrial Controls > Switching Devices > Contactors and Contactor Assemblies > Power Contactors for Switching Motors > Contactors SIRIUS 3RT10, 3-pole, 3... 250 kw 3RT1015-1BB41
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