BS 561:1951 - Specification for alternating-current line relays double-element 3-position (for railway signalling)

BS 561:1951

Specification for alternating-current line relays double-element 3-position (for railway signalling)

Status : Withdrawn   Published : June 1951

WITHDRAWN TITLE
*To ask about withdrawn titles contact the
Customer Relations
cservices@bsigroup.com, +44 345 086 9001


2-element, 3-position relays for railway signalling circuits up to 250 volts. Mounting, mechanical clearances, bearings, coils, contact capacity, contact pressure, contact resistance, flexible connections, terminals and terminal markings, insulation tests, pick-up and drop away values, labelling and marking, finish, pointer scale.




Standard NumberBS 561:1951
TitleSpecification for alternating-current line relays double-element 3-position (for railway signalling)
StatusWithdrawn
Publication Date15 June 1951
Confirm Date15 December 1980
Withdrawn Date08 July 2014
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Amended ByPD 4018
DescriptorsRelays, Switchgear, Railway signals, Repeaters, Railway equipment, Railway fixed equipment, Dimensions, Seatings, Clearances, Electric contacts, Contact resistance, Pressure, Electric terminals, Marking, Electrical testing, Voltage, Alternating current, Signal devices, Electrical equipment Railway applications
ICS29.120.70
45.040
Title in FrenchRelais pour lignes a courant alternatif, double element et 3 positions (pour signalisation ferroviaire). Specification
Title in GermanWechselstromleitungsrelais, Doppelelement, dreiwegig (fuer Eisenbahnsignale). Spezifikation
CommitteeGEL/9
ISBN0 580 00667 0
PublisherBSI
FormatA4
DeliveryNo
Pages12
File Size259.7 KB
NotesThis standard is withdrawn as it is no longer relevant.
Price£110.00


WITHDRAWN TITLE
*To ask about withdrawn titles contact the
Customer Relations
cservices@bsigroup.com, +44 345 086 9001
 Your basket
Your basket is empty

Multi-user access to over 3,500 medical device standards, regulations, expert commentaries and other documents


BSOL

The faster, easier way to work with standards


Worldwide Standards
We can source any standard from anywhere in the world


Tracked Changes

Understand the changes made to a standard with our new Tracked Changes version