Iec 60571.pdf ((full))
IEC 60571
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- Longitudinal, lateral, and vertical axes.
- Simulated long-life vibration (typically 5 hours per axis).
- Shock pulses: 50 m/s² for 30 ms.
- 110 V DC systems – 500 V AC dielectric test for 1 minute.
- Higher voltages – up to several kV for traction converters.
The standard specifies clearances, creepage distances, and dielectric tests based on the nominal voltage and overvoltage category (typically OV3 for rolling stock). For example: Iec 60571.pdf
- Conformal coating (required for humidity/condensation).
- Oversized input capacitors to bridge the 20 ms interruption.
- Reinforced mounting brackets to meet vibration profiles.