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TISP4xxxL3BJ Overvoltage Protector Series
APPLICATIONS INFORMATION
IT
Equipment
parameters
UL 60950 (12/2000)
Telecommunication network connection
Clause 6.4 — Protection against overvoltage from power line crosses
Figure 6C — Overvoltage flowchart
Annex NAC (normative) — Power line crosses
Connects
to outside
cable
A
No
No overvoltage
testing
Test 1.
600 V, 40 A ,
Yes
1.5 s
Has
B
Has min.
E
I
≤ 100 A 2 s
@ 600 V
?)
No
26 AWG
supplied
cord
No
Pass Test 1
No
Test 5.
120 V, 25 A,
Yes
Yes
Yes
30 min or
open circuit
Has
C
Pass 6.3.3
F
J
≤ 1.3 A
d.c.
No
ground/line
separation
No
Pass test 5
No
Fail
limiting ? )
Test 2. ? )
§)
600 V, 7 A, 5 s
Test 3. # )
600 V, 2.2 A,
Yes
Yes
Yes
30 min or open circuit (3A)
Test 3A. # )
600 V, <3.3 A, 30 min, no
open circuit
Test 4. # )
Has fire
enclosure
and
spacings
G
Yes
< Limiting voltage, <2.2 A,
30 min, no open circuit, no
overvoltage protector
voltage limiting
No
No
Has
D
Pass test 2
H
fire
No
pass tests
Yes
Pass
enclosure
3, 4
? ) Overcurrent protector I t must be lower than any other equipment element which carries the same current.
Yes
NOTES
2
? ) 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
Test 1
Test 2
Test 3
Test 3A
Test 4
Test 5
No cheesecloth charring
Insulation OK
?
?
?
?
?
?
?
?
?
?
?
?
Users must verify
requirements
against latest issue
Wiring simulator (fuse) OK
I 2 t < 100 A 2 s @ 600 V a.c.
?
?
?
of UL 60950
AIUL60950A
Figure 3. UL 60950 Power Cross Flow Chart
AUGUST 1999 - REVISED JANUARY 2007
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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