BS EN 3773-001:2014
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Aerospace series. Circuit breakers, single-pole, temperature compensated, rated currents 1 A to 25 A – Technical specification
Published By | Publication Date | Number of Pages |
BSI | 2014 | 24 |
This European Standard specifies the single-pole temperature compensated circuit breakers rated from 1 A to 25 A and used in aircraft on-board circuits. It describes specific environmental, electrical and mechanical characteristics and the stringency of tests to be applied according to test methods of EN 3841-100.
These circuit breakers are intended for use in aircraft with electrical supplies in accordance with EN 2282.
PDF Catalog
PDF Pages | PDF Title |
---|---|
5 | Foreword |
6 | 1 Scope 2 Normative references 3 Terms and definitions 4 Description |
7 | 5 Design 5.1 Materials 5.1.1 Metallic materials 5.1.2 Insulation materials 5.2 Design 5.2.1 Insulating box 5.2.2 Free release mechanism 5.2.3 Attachment 5.2.4 Electrical connection units 5.2.5 Control actuator |
8 | 5.2.6 Rating inviolability 5.2.7 Clearances and creepage distances 5.2.8 Protection against non-release 6 Characteristics 6.1 General characteristics |
9 | Table 1 — General characteristics 6.2 Ratings 6.3 Nominal voltage of operational circuits 6.4 Dimensional characteristics 6.5 Recommended panel mounting dimensions |
10 | 7 Tests 7.1 Mechanical tests Table 2 — Mechanical tests |
11 | 7.2 Environmental tests Table 3 — Environmental conditions (1 of 2) |
12 | Table 3 — Environmental conditions (2 of 2) |
13 | Figure 1 — Sinusoidal vibrations |
14 | Figure 2 — Random vibrations |
15 | Figure 3 — Low frequencies vibrations |
16 | 7.3 Electrical tests Table 4 — Electrical characteristics |
17 | Table 5 — Short-circuit performance Table 6 — Overload test with mechanism locked |
18 | 8 Qualification tests 8.1 Sampling Table 7 — Qualification tests (1 of 3) |
19 | Table 7 — Qualification tests (2 of 3) |
20 | Table 7 — Qualification tests (3 of 3) |
21 | Table 8 — Qualification tests 8.2 Material tests Table 9 8.3 Periodic checks for qualification maintenance 9 Quality assurance 10 Marking 11 Delivery conditions |
22 | 12 Packaging 13 Storage 13.1 Definition 13.2 Storage conditions 13.3 Storage duration |