IEC 60331-1 / IEC 60331-2 Test method for fire with shock

Test set-up The cable is secured onto a positioning board and a flame is applied from the front. The positioning board is subjected to shocks every 15 minutes during the combustion period. Part 1: cables with a diameter > 20 mm Part 2: cables with a diameter ≤ 20 mm Test apparatus acc. to IEC 60331-11.

Compliance criterion

When the flame is applied and during a cooling period of an additional 15 minutes, it must still be possible to transmit signals via the optical fibers.

Flame temperature

Min. 830 °C (equipment IEC 60331-1)

Test duration Recommended: 120 min

Compliance criterion

When the flame is applied, it must still be possible to transmit power or signals via all conductors. There must be no short circuit between the conduc-tors or to the shielding.

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