Axial Lead and Cartridge Fuses
Midget
U
®
® L
Laminated Body Fast-Acting Type BLF Series
ELECTRICAL CHARACTERISTICS:
ORDERING INFORMATION:
Cartridge
% of Ampere
Rating
Opening
Time
Nominal
Resistance
Cold Ohms
Catalog
Number
Ampere
Rating
AC Voltage
Rating
110%
135%
200%
4 hours, Minimum
1 hour, Maximum
30 seconds, Maximum
BLF 1/2
.500
1
1.5
2
250
250
250
250
250
1.57
.395
.2191
.125
.0946
BLF 1
1
2
BLF 1 /
AGENCY APPROVALS: Listed by Underwriters Laboratories and
Certified by CSA.
BLF 2
1
2
BLF 2 /
2.5
BLF 3
BLF 4
BLF 5
3
4
5
6
6.25
250
250
250
260
250
.0696
.0432
.0413
.02842
.02741
INTERRUPTING RATING: 10,000 amperes at rated VAC.
NOTE: Not recommended for applications in humid areas.
BLF 6
1
4
BLF 6 /
BLF 7
BLF 8
BLF 9
BLF 10
BLF 12
7
8
9
10
12
250
250
250
250
250
.02282
.01664
.01364
.01097
.00920
BLF 15
BLF 20
BLF 25
BLF 30
15
20
25
30
250
125
125
125
.00684
.00528
.00378
.00289
38.1
(1.50")
10.31
(.406")
U
®
® L
QPL
Fibre Body Fast-Acting Type BLN Series
ELECTRICAL CHARACTERISTICS:
ORDERING INFORMATION:
Cartridge
% of Ampere
Rating
Opening
Time
Nominal
Resistance
Cold Ohms
Catalog
Number
Ampere
Rating
AC Voltage
Rating
110%
135%
200%
4 hours, Minimum
1 hour, Maximum
30 seconds, Maximum
BLN 1
BLN 1 1/2
BLN 2
BLN 3
BLN 4
BLN 5
1
1.5
2
3
4
250
250
250
250
250
250
.395
.222
.125
.071
.0432
.0413
AGENCY APPROVALS: Listed by Underwriters Laboratories and
Certified by CSA.
5
INTERRUPTING RATING: 10,000 amperes at 250 VAC.
FUSES TO MIL SPEC: See F09A type in Military Section.
BLN 6
BLN 8
6
8
250
250
250
250
250
.0284
.0166
.011
.00920
.00684
BLN 10
BLN 12
BLN 15
10
12
15
BLN 20
BLN 25
BLN 30
20
25
30
250
250
250
.0036
.00270
.00230
38.1
(1.50")
10.31
(.406")
430
www. littelfuse. com