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TLO-20

更新时间： 2024-11-05 23:35:59
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Fuse

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中文翻译

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TLO-20 数据手册

  
Plug Fuses  
ꢀ
ꢀ
125 VAC Fast-Acting or Time-Delay 1/4 – 30 Amperes  
DESCRIPTION  
Edison-base plug fuses (WOO, TOO, and TLO series) have  
threaded metal shells and contacts similar to incandescent  
lamp bases. Fuseholders for Edison-base fuses have  
matching metal threads similar to standard light sockets.  
Type S fuses (SLO and SOO series) have nonmetallic  
threaded bases which fit matching nonmetallic threads in  
Type S fuseholders. Type S fuseholders are size-limiting, and  
will not accept Type S fuses with ampere ratings greater than  
the ampere rating marked on the Type S fuseholder. Type S  
fuses will not fit Edison-base fuseholders, nor can Edison-  
base fuses be used in Type S fuseholders.  
GENERAL  
PURPOSE  
FUSES  
Approvals: UL Listed plug fuses.  
Note: Although rated at 125 volts, NEC permits plug fuses to  
be used in circuits not exceeding 150 volts to ground. See  
NEC Article 240-E.  
SAO Type S Fuse Adapters inserted into Edison-base  
fuseholders permanently convert them to Type S fuseholders.  
They accept Type S fuses only.  
SAO  
Adapter  
Rating  
Other SOO  
Fuse Ratings  
Which Fit  
Accepts  
Fuse Ratings:  
3
SAO 1  
⁄
10 – 1  
—
3
SAO 1-1/4  
SAO 1-6/10  
SAO 2  
SAO 2-1/2  
SAO 3-2/10  
SAO 4  
SAO 5  
SAO 6-1/4  
SAO 15  
11⁄  
8
, 11⁄  
4
⁄
10 – 1  
APPLICATIONS  
14⁄10, 16⁄10  
18⁄10, 2  
⁄
10 – 11⁄  
4
3
The National Electric Code now permits Edison-base fuses to  
be used only for replacements in existing installations, and  
then, only when there is no evidence of overfusing or  
tampering. All new Edison-base fuseholders must have Type  
S fuse adapters installed before they are placed in service.  
Designed to prevent installation of wrong size fuses, Type S  
Adapters (SAO series) screw into Edison-base fuseholders so  
they may accept Type S fuses. Once installed the adapters  
cannot be removed.  
—
21⁄  
4
, 21⁄  
2
18⁄10, 2  
28⁄10, 32⁄10  
18⁄10 – 21⁄  
2
31⁄  
41⁄  
31⁄  
2, 4  
—
2
, 5  
31⁄  
31⁄  
2
, 4  
– 5  
2
, 61⁄  
4
2
7, 8, 9, 10, 12, 14, 15  
20 Only  
7, 8, 9, 10  
SAO 20  
SAO 30  
—
—
20, 25, 30  
To prevent shunting of open fuses or overfusing, and to  
reduce nuisance fuse opening, it is recommended that SAO  
adapters with properly rated SLO or SOO series fuses be  
installed in all Edison-base fuseholders.  
HOLDERS  
See Littelfuse box cover units in the Miscellaneous Products  
section of this catalog.  
EDISON-BASE PLUG FUSES  
TYPE S PLUG FUSES  
TOO Fuses are dual-element time-  
delay Edison-base fuses designed for  
motor and motor branch-circuit  
protection; also suitable for all general-  
purpose circuits. Use for replacement  
purposes only.  
WOO Fuses are non-delay Edison-  
base fuses, best suited for incandes-  
SOO Fuses are dual-element time-  
delay Type S fuses designed for motor  
and motor branch-circuit protection;  
also suitable for all general-purpose  
circuits.  
cent lighting, resistance heating, and  
general purpose circuits with no  
significant motor load. Not recom-  
mended for motor circuits. See TOO  
and SOO fuses. Use for replacement  
purposes only.  
AMPERE RATINGS  
AMPERE RATINGS  
1
⁄
4
1
2
31⁄  
2
61⁄  
7
8
9
10  
12  
4
14  
15  
20  
25  
30  
3
31⁄  
2
61⁄  
7
8
9
10  
12  
4
14  
15  
20  
25  
30  
⁄
10  
11⁄  
8
21⁄  
4
4
1
⁄
⁄10  
4
1
2
AMPERE RATINGS  
4
⁄10  
11⁄  
4
21⁄  
28⁄10  
3
2
41⁄  
5
2
3
11⁄  
8
21⁄  
4
4
1
1
11⁄  
4
21⁄  
28⁄10  
3
2
41⁄  
5
2
⁄
2
2
3
5
6
8
10  
15  
20  
25  
30  
⁄
2
14⁄10  
16⁄10  
18⁄10  
4
⁄
⁄
10  
6
14⁄10  
16⁄10  
18⁄10  
1
⁄
10  
56⁄10  
6
1
2
8
56⁄10  
6
⁄
10  
32⁄10  
6
⁄10  
8
⁄10  
32⁄10  
TLO Fuses are medium time-delay  
Edison-base fuses designed for  
general-purpose branch-circuit  
protection. See TOO and SOO fuses  
for motor protection. Use for replace-  
ment purposes only.  
SLO Fuses are medium time-delay  
Type S fuses for general-purpose  
branch-circuit protection.  
AMPERE RATINGS  
15  
20  
25  
30  
AMPERE RATINGS  
15  
20  
25  
30  
46  
1

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