BS EN 2794-003:1999
Current
The latest, up-to-date edition.
Circuit breakers, single-pole, temperature compensated, rated currents 20 A to 50 A Metric thread terminals. Product standard
Hardcopy , PDF
English
15-09-1999
Foreword
1 Scope
2 Normative references
3 Definitions
4 Required characteristics
4.1 Short-circuit performance
4.2 Dimensions, mounting, electrical connections
4.3 Fasteners
4.3.1 For electrical connections
4.3.2 For mounting
4.4 Mass
5 Designation
6 Marking
Figure 1 - Circuit breaker
Figure 2 - Panel cut-out
Figure 3 - Electrical connection
Figure 4 - Screw
Figure 5 - Washer
Figure 6 - Attachment nut
Figure 7 - Lock washer
This standard defines the required characteristics for single-pole, temperature compensated circuit breakers, rated currents from 20A to 50A, metric thread terminals, for use in aircraft electrical systems, at temperatures between -55degreeC and 125degreeC and at a maximum altitude of Z = 15000m. It shall be used together with EN2794-001. These circuit breakers are intended for use in aircraft with electrical supplies in accordance with EN2282.
| Committee |
ACE/6
|
| DevelopmentNote |
Supersedes 91/79812 DC and BS G179-1(1962). (09/2005)
|
| DocumentType |
Standard
|
| Pages |
12
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This standard specifies the required characteristics for single-pole, temperature compensated circuit breakers, rated currents from 20 A to 50 A, metric thread terminals, for use in aircraft electrical systems, at temperatures between - 55°C and 125°C and at a maximum altitude of Z = 15 000 m. It shall be used together with EN 2794-001. These circuit breakers are intended for use in aircraft with electrical supplies in accordance with EN 2282.
| Standards | Relationship |
| EN 2794-003:1999 | Identical |
| NS EN 2794-003 : 1ED 1999 | Identical |
| DIN EN 2794-003:1999-08 | Identical |
| I.S. EN 2794-003:1999 | Identical |
| NEN EN 2794-003 : 1999 | Identical |
| UNE-EN 2794-003:2000 | Identical |
| EN 2282:1992 | Aerospace series - Characteristics of aircraft electrical supplies |
| ISO 1190-1:1982 | Copper and copper alloys — Code of designation — Part 1: Designation of materials |
| ISO 7045:2011 | Pan head screws with type H or type Z cross recess — Product grade A |
| ISO 965-2:1998 | ISO general purpose metric screw threads — Tolerances — Part 2: Limits of sizes for general purpose external and internal screw threads — Medium quality |
| EN 2350:1990 | Aerospace series - Circuit breakers - Technical specification |
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