Electrical inputs
- Input voltage, frequency, permitted variation and source type.
- Every output winding, voltage, current, tolerance, duty cycle and operating combination.
- Inrush, peak current, regulation and load type.
Mechanical inputs
- Available volume, mounting orientation, terminal access and cable route.
- Enclosure, ambient temperature, airflow and heat-transfer surfaces.
- Weight limits, service access and minimum clearances.
Approval inputs
- Final equipment standard, destination market and classification.
- Required drawing, test record, declaration and traceability scope.
- Sample validation items and production change-control requirements.