BS EN 3773-006:2017

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Aerospace series. Circuit breakers, single-pole, temperature compensated, rated currents 1 A to 25 A – 6,3 mm blade terminal. Product standard

Published By	Publication Date	Number of Pages
BSI	2017	16

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Description

This European Standard specifies the characteristics of single-pole circuit breakers, temperature compensated with a rated current from 1 A to 25 A, used in aircraft on-board circuits at a temperature between ? 55 °C and 125 °C and at an altitude of 15 000 m max. These circuit breakers are operated by a push-pull type single push button (actuator), with delayed action “trip-free” tripping. They will continue to function up to the short-circuit current.

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PDF Pages	PDF Title
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6	1 Scope 2 Normative references 3 Dimensions and mass 3.1 Dimensional characteristics
9	3.2 Electrical diagram 3.2.1 Mass 3.3 Panel Mounting 4 Characteristics 4.1 Material, surface treatment 4.2 Mechanical characteristics 4.2.1 Fasteners 4.2.2 Recommended tightening torque of attaching nut for installation 4.2.3 Recommended tightening torque of connection hardware for installation
10	4.2.4 Resistance to vibrations 4.2.4.1 Combined test: ambient temperature at 70 °C and vibrations 4.2.4.2 Combined test: ambient temperature at 85 °C, altitude and vibrations 4.2.5 Resistance to shocks 4.2.6 Mechanical endurance 4.3 Environment characteristics 4.3.1 Humidity 4.3.2 Corrosion 4.3.3 Contaminating liquids 4.3.4 Overvoltage caused by lightning 4.3.5 Electrical characteristics 4.3.6 Nominal voltage of operational circuits
11	4.3.7 Voltage drop at (n and low current 4.3.8 Minimum and maximum tripping thresholds 4.3.9 Overload trip
12	4.3.10 Short-circuit values 4.3.11 No-Load and load endurance 4.3.12 Dielectric rigidity
13	4.3.13 Insulation resistance 4.3.14 Overload endurance 5 Designation 5.1 Product designation 5.2 Procurement designation 6 Rated current code
14	7 Hardware delivery codes 8 Marking 9 Technical specification

Additional information

Status	Confirmed
Pages	16
Publication Date	2017-08-25
ISBN	978 0 580 96342 1
Standard Number	BS EN 3773-006:2017
Title	Aerospace series. Circuit breakers, single-pole, temperature compensated, rated currents 1 A to 25 A – 6,3 mm blade terminal. Product standard
Identical National Standard Of	EN 3773-006:2017
Descriptors	Life (durability), Mechanical testing, Short-circuit current tests, Short-circuit currents, Ratings, Single, Overload (electric), Rated voltage, Electrical testing, Overload protection, Circuit-breakers, Electrical properties of materials, Tripping mechanisms (circuit-breakers), Voltage fluctuations, Environmental testing, Switchgear, Aircraft components, Electrical protection equipment, Environment (working)
Publisher	BSI
Committee	ACE/6
ICS Codes	49.060 - Aerospace electric equipment and systems

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BS EN 3773-006:2017

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