Catalog excerpts
C O M P O N E N T S Roof Switch for rolling stock Type RS
Open the catalog to page 1The RS is an off-load switch, electrically or electro-pneumatically operated, and designed to be installed outdoors on the roof of electric traction vehicles. The RS is available in three main executions: change-over switch, disconnect switch, as well as disconnect and earthing switch. It is suitable for single-voltage as well as for multi-voltage vehicles, covering all the usual line voltages (1.5 kVdc; 3 kVdc; 15 kVac and 25 kVac) as well as the different vehicle’s currents rated from 1000 A to 3000 A. Applications Roof switch for locomotives, trains and EMUs running on ac and/or dc...
Open the catalog to page 2Technical data MAIN HIGH VOLTAGE CIRCUIT Symbol Unit Rated operational voltage Rated insulation voltage Conventional free air thermal current (1)(2) Peak and rated short-time withstand current Overvoltage category Rated power-frequency withstand voltage (3) U50 [kVrms] Rated impulse withstand voltage (1.2 / 50 us) Uimp [kV] (1) For higher values, please contact Secheron (2) At Tamb = +40°C and tested with high voltage connections according to standard IEC/EN 60943 LOW VOLTAGE AUXILIARY CIRCUIT Control circuit Electric version Electro-pneumatic version: Auxiliary contacts Type of contacts...
Open the catalog to page 3Main dimensions (standard version) The DIN-ISO 2768-1 coarse tolerances are applied to these dimensions. All dimensions are in mm. The maximum allowed flatness deviation of the support frame is 1 mm. HV connections: M12 screws; earth connection: M10 screws. Note! These views include the optional protecting cover for LV part.
Open the catalog to page 4Roof / frame opening Technical Informations (for standard executions) Standard way of connection to the moving knife Control equipment for electric version Flexible connection (not in Secheron's scope) The isolator can be delivered by Secheron upon request In case this connection type can not be used, please contact Secheron for customized solutions. Two integrated interlocked contactors control the moving knife operation.
Open the catalog to page 5Options (subject to additional costs) Poles configuration Alternative Application D Application E RS 25.20 552 (OV3) 706 (OV4) X Z X Z Y Y Protecting cover for LV part Protection for severe ice conditions (10 mm ice) Applicable for electric and electro-pneumatic versions. Example for RSxx.10 Pneumatic operation In case of electro-pneumatic operation, the customer’s air circuit is connected directly into a G1/4” connection on the base plate. The connection must be ordered separately (refer to page 7 for details). Roof execution Special executions to install the complete RS on the roof...
Open the catalog to page 6Definition of the auxiliary switches Change-over switch Type: CO a The contact “a” corresponds to a NO (Normally Open) contact. The contact “b” corresponds to a NC (Normally Close) contact. b Part numbers for separately ordered items LV mobile connector Auxiliary switches Number Type Fixed connector type Type Mobile connector Number of pin Cable Cable Size Size entry 2.5 mm² 1.5 mm² gland Secheron's number Electric version 2a + 2b CO Harting HAN 24 DD Harting HAN 24 DD 7 7 M28 SP1850005R00003 4a + 4b CO Harting HAN 24 DD Harting HAN 24 DD 7 13 M28 SP1850005R00004 Electro-pneumatic version...
Open the catalog to page 7Designation code (options are subject to additional costs) - Order form (1) Refer to page 7 for definition of the auxiliary switches The low voltage mobile connector and air connection must be ordered separately (refer to page 7). Example of customer's choice: RS 25 20 C S The bold characters of the designation code define the device type. This document is not contractual and contains information corresponding to the level of technology at the date of printing. Secheron reserves the right to modify and/or improve the product, whose characteristics are described in these documents, as...
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