Axial lead & cartridge fuses – Littelfuse 229 Series User Manual
Page 2
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Axial Lead & Cartridge Fuses
2AG > Time Lag > 229/230 Series
Electrical Characteristic Specification by Item
Amp
Code
Ampere
Rating
(A)
Voltage
Rating
(V)
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
Nominal
melting
I
2
t (A
2
sec)
Agency Approvals
PS
E
.250
0.25
250
35A@250Vac
10KA@125Vac
10KA@125Vdc
80A@310Vac
2.4300
0.216
x
x
x
.350
0.35
250
1.3100
0.490
x
x
x
.375
0.375
250
1.1685
0.580
x
x
x
.500
0.5
250
0.6935
1.16
x
x
x
.600
0.6
250
0.4805
1.75
x
x
x
.750
0.75
250
0.3430
2.95
x
x
x
.800
0.8
250
0.3060
3.45
x
x
x
001.
1
250
0.2120
5.64
x
x
x
x
1.25
1.25
250
100A@250Vac
10KA@125Vac
10KA@125Vdc
80A@310Vac
0.1460
9.80
x
x
x
x
01.5
1.5
250
0.1077
15.0
x
x
x
x
002.
2
250
0.0698
30.0
x
x
x
x
2.25
2.25
250
0.0567
39.0
x
x
x
x
02.5
2.5
250
0.0502
50.0
x
x
x
x
003.
3
250
0.0383
77.0
x
x
x
x
03.5
3.5
250
100A@250Vac
10KA@125Vac
10KA@125Vdc
0.0312
110.0
x
x
x
x
004.
4
125
400A@125Vac
400A@125Vdc
0.0258
148.0
x
x
x
x
005.
5
125
0.0186
267
x
x
x
x
006.
6
125
0.0141
380
x
x
x
x
007.
7
125
0.0116
464
x
x
x
x
Amp Code
Ampere Rating
(A)
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
Nominal
melting
I
2
t (A
2
sec)
10×160 µs
1500V
10×560 µs
800V
10×1000 µs
1000V
.250
0.25
60A@600Vac
40A@600Vac
7A@600Vac
2.2A@600Vac
2.4300
0.216
23.0A
16.6A
12.4A
.350
0.35
1.3100
0.490
34.0A
25.8A
19.3A
.375
0.375
1.1685
0.580
40.0A
25.4A
19.0A
.500
0.5
0.6935
1.16
60.0A
37.7A
28.2A
.600
0.6
0.4805
1.75
71.0A
47.2A
35.3A
.750
0.75
0.3430
2.95
91.0A
65.5A
49.0A
.800
0.8
0.3060
3.45
104.0A
68.9A
51.6A
001.
1
0.2120
5.64
130A
88.6A
66.3A
1.25
1.25*
0.1460
9.80
162.0A
118.1A
100.0A
* 500A peak, 2500V, 2×10 microseconds, 20 repetitions
Surge Withstand Specificatons
Peak Withstand Current(lp): These fuses will withstand 50 repetitions of a double exponential impulse wave having peak
currents(lp) and peak voltages as listed.