NEN EN 3774-001 : 2014

Foreword
1 Scope
2 Normative reference
3 Definitions
4 Description
5 Required characteristics
6 Tests
   6.1 Mechanical tests
   6.2 Environmental tests
   6.3 Electrical tests
7 Quality assurance
8 Designation
9 Marking
Table 1 - Rated currents
Table 2 - Rated voltages
Table 3 - Mechanical characteristics
Table 4 - Environmental conditions
Table 5 - Electrical characteristics
Table 6 - Voltage drop
Table 7 - Minimum and maximum tripping points
Table 8 - Overload tripping times
Table 9 - Short-circuit performance
Table 10 - Service life at no load and at rated current
Table 11 - Service life under overload trip conditions
Table 12 - Overload test with mechanism locked

Defines the three-pole temperature compensated circuit breakers, rated from 1 A to 25 A used in aircraft on-board circuits. Also explains specific environmental, electrical and mechanical characteristics and the stringency of tests to be applied according to test methods of EN 3841-100.