P6002ACMC datasheet(147/212 Pages) TECCOR

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UL 60950 3rd Edition (formerly UL 1950, 3rd edition)

4 - 23

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SIDACtor® Data Book and Design Guide

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Note: Test conditions 2, 3, and 4 do not require the use of a wiring simulator or a secondary

protector simulator. Any secondary protection simulators used in Tests 1 and 5

should be similar to the test fuse used in UL 497A, “Standard for Secondary

Protectors for Communications Circuits.”

Overvoltage Test Compliance

Equipment is deemed compliant if each of the following conditions are met during test:

• Absence of ignition or charring of the cheesecloth indicator

(Charring is deemed to have occurred when the threads are reduced to char by a

glowing or flaming condition.)

• Wiring simulator does not open during test condition 1 or 5

• For test condition 1, presented in Table 4.17, the integral I2t measured with a current

probe is less than 100 A2s

After completion of the overvoltage tests, equipment must comply with either the Dielectric

Voltage-withstand Test requirements with all components in place or the Leakage Current

Test requirements.

Special Considerations Regarding the SIDACtor Device and UL 60950

The epoxy used for SIDACtor devices is UL recognized and the encapsulated body passes

UL 94V-0 requirements for flammability.

The only specific requirements of UL 60950 that pertain to the SIDACtor device itself are

the impulse test and the mandate that components be UL recognized. All other UL 60950

requirements pertain to the equipment being evaluated.

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