Page 305 - contactors_motor_protection_for_rolling_stock_application

Standards description

Shock and vibration tests IEC 61373
This international standard specifies the requirements for testing items of
equipment intended for use on railway vehicles which are subsequently
subjected to vibrations and shock owing to the nature of railway
operational environment.
To gain assurance that the quality of the equipment is acceptable, it
has to withstand tests of reasonable duration that simulate the service
conditions seen throughout its expected life.
All control products inside this catalogue for rolling stock
application are compliant to category 1 class B.
Note: the figure identifies general location of equipment on railway vehicles.
Equipment’s location within the vehicle: category 1 (body mounted), category 2 (bogie 4
mounted C) and category 3 (axle mounted) divided into 2 subgroups, according to the
location of the components:
– class A: cubicles, subassemblies, equipment and components mounted directly on
or under the car body.
– class B: anything mounted inside an equipment case which is in turn mounted
directly on or under the car body.

Category Class Location Description of equipment location
Category 1 Class A M N O I and J Components mounted directly on to or under the car body
Class B D Components mounted into an underframe internal cubicle which is in turn fixed to the car body
K and E Components mounted into a large internal cubicle which is in turn fixed to the car body
F Components mounted into subassemblies which are mounted into a cubicle which is in turn fixed to the car body
Category 2 G Cubicles, subassemblies, equipment and components, which are mounted on to the bogie of a railway vehicle
Category 3 H Subassemblies, equipment and components or assemblies, which are mounted on to the axle assembly of a railway vehicle

M 1 Inside cubicle - I
2 Body
3 Bogie
2
4 Axle
1
5 Under frame cubicle - J
N 6 Subassembly - K
6 F

E
O
5 D
G 3
H
4

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