BS G 261-1:1996
Current
The latest, up-to-date edition.
Specification for aircraft. Electromagnetic relays and contactors General requirements
Hardcopy , PDF
English
15-07-1996
Committees responsible
National foreword
Specification
1 Scope
2 Normative references
3 Definitions
4 General requirements
5 Performance detail requirements
6 Tests
7 Qualification
Annexes
A Example of an individual specification sheet
B Bibliography
Tables
1 Strength of threaded terminals
2 Contact arrangements, symbols and terminal marking
3 Auxiliary terminals
4 Symbols and marking for terminals
5 Dual coil markings
6 Dissimilar metals
7 Contact circuit voltage drop
8 Minimum values for high voltage tests
9 Pull force
10 Categorization of standard vibration test requirements by
aircraft types and equipment locations
11 Categorization of severe vibration test requirements for
fixed-wing turbojet engine aircraft and equipment
locations
12 Overload values and durations
13 Rupture values and durations
14 Duty cycle
15 Contact voltage drop
16 Untitled
17 Contaminant test temperatures
18 Untitled
19 Untitled
20 Production acceptance tests
21 Qualification inspection
Figures
1 Inspection aid
2 Contact bounce (typical circuit)
3 Electromagnetic interference test circuit
4 Typical transient voltage
5 Range curve for vibration tests
6 Standard random vibration test curves for equipment
installed in fixed-wing aircraft with turbojet engines
7 Standard sinusoidal vibration test curves for equipment
installed in fixed-wing aircraft with turbojet engines
8 Standard sinusoidal vibration test curves for equipment
installed in fixed-wing aircraft with reciprocating or
turbopropeller engines
9 Standard sinusoidal vibration test curves for equipment
installed in helicopters
10 Robust random vibration test curves for equipment
installed in fixed-wing aircraft with turbojet engines
11 Test circuit, three-phase load transfer
12 Alternative test circuit, three-phase load transfer
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