BS EN 3774-004:1999

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Circuit breakers, three-pole, temperature compensated, rated currents 2A to 25A, switching capacity 65 In – UNC thread terminals. Product standard

Published By	Publication Date	Number of Pages
BSI	1999	12

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Description

This standard specifies the required characteristics for three-pole, temperature compensated circuit breakers, rated currents from 2 A to 25 A, switching capacity 65 In, UNC thread terminals, for use in aircraft electrical systems. Their oprating temperatures are between -55°C and 125°C for rated currents equal or lower than 15 A and between -55°C and 90°C for rated currents higher than 15 A, at amaximum altitude of Z = 22 000 m. It shall be used together with EN 3774-001. These circuit breakers are intended for use in aircraft with electrical supplies in accordance with EN 2282.

Additional information

Status	Withdrawn
Title	Circuit breakers, three-pole, temperature compensated, rated currents 2A to 25A, switching capacity 65 In – UNC thread terminals. Product standard
Replaces	BS G 179-2:1966
Publisher	BSI
Committee	ACE/6
Pages	12
Publication Date	1999-09-15
Withdrawn Date	2014-08-31
Replaced By	BS EN 3774-004:2014
ISBN	0 580 32856 2
Standard Number	BS EN 3774-004:1999
Identical National Standard Of	EN 3774-004:1999
Descriptors	Aircraft components, Nuts, Holes, Circuit-breakers, Bolts, Switchgear, Temperature, Testing conditions, Making capacity, Washers, Electrical connections, Mass, Rated current, Electrical protection equipment, Fixing, Breaking capacity, Tri-pole circuit-breakers, Electric terminals, Short-circuit currents, Unified screw threads, Short-circuit current tests, Screws (bolts), Seatings, Dimensions, Environment (working), Designations
ICS Codes	49.060 - Aerospace electric equipment and systems

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BS EN 3774-004:1999

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