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

BS-561 - PD 4018 - CANCELLED
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Specification for alternating-current line relays double-element 3-position (for railway signalling)

Keywords

Relays, 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

To find similar documents by classification:

29.120.70 (Relays)

45.040 (Materials and components for railway engineering)

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Document Number

BS-561

Revision Level

PD 4018

Status

Cancelled

Publication Date

Jan. 1, 1961

Committee Number

GEL/9