TISP4070L3 查看數據表（PDF） - Power Innovations

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TISP4070L3

BIDIRECTIONAL THYRISTOR OVERVOLTAGE PROTECTORS

Power Innovations 

TISP4070L3BJ, TISP4350L3BJ

BIDIRECTIONAL THYRISTOR OVERVOLTAGE PROTECTORS

AUGUST 1999 — REVISED NOVEMBER 1999

IT Equipment

param eters

Connects A

to outside

cable

Yes

UL 1950 Third Edition

Telecommunication network connection

Clause 6.6 — Protection against overvoltage from power line crosses

Figure 18b — Overvoltage flowchart

Annex NAC (normative) — Power line crosses

No

Test 1.

600 V, 40 A,

1.5 s

No overvoltage

testing

Has

B

≤ 100 A2s

No

@ 600 V

†)

Yes

Has min. E

I

26 AW G

s u p p lied

No

Pass Test 1

cord

No

Test 5.

120 V, 25 A,

Yes

Yes

30 min or

open circuit

Has

C

≤ 1.3 A

d .c .

No

limiting ‡ )

Test 2. ¶ )

600 V, 7 A, 5 s

Test 3. # )

600 V, 2.2 A,

30 min or open circuit (3A)

Test 3A. # )

Yes 600 V, < 2.2 A, 30 min, no

open circuit

Test 4. # )

< Limiting voltage, < 2.2 A,

30 min, no open circuit, no

overvoltage protector

voltage limiting

Has

D

fire

No

enclosure

Pass 6.3.3 F

J

ground/line

separation

No

Pass test 5

No

Fail

§)

Yes

Yes

Has fire G

enclosure

and

Yes

spacings

No

Pass test 2 H

pass tests

3, 4

No

Yes

Pass

Yes

NOTES

† ) Overcurrent protector I2t must must be lower than any other equipment element which carries the same current.

‡ ) UL accepts that a fuse with a 1 A or less rating meets the 1.3 A criterion.

§ ) Pass for 120 V a.c. between telecommunication line and ground current < 10 mA.

¶ ) Test 2 not required if the equipment d.c. breaking is 1.3 A or less, see comment ‡ ).

# ) Tests 3 and 4 not required for equipment with less than 1000 m of outside cable.

Pass criteria

No cheesecloth charring

Insulation OK

wiring simulator (fuse) OK

I2t < 100 A2s @ 600 V a.c.

Test 1

Test 2

Test 3 Test 3A Test 4

Test 5

Figure 3. UL 1950 POWER CROSS FLOW CHART

PRODUCT INFORMATION

6

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