0034.3993 Datasheet
5 X 20mm Time Lag Fuses
Download: 0034.3993 Datasheet 
0034.3993
5 X 20mm Time Lag Fuses
FSM 5 x 20mm Medium Time Lag Fuses - Low and Medium Breaking Capacity
1,6 - 10 A 315 mA - 1,25 A
Built according to DIN 41571, data sheet 2 (June 1984)
Glass tube
Fusing time in seconds ts s
2 3 4 5 6 8 10 15
Vi lf h d N t
Multiple of rated current In
With pigtail leads
0034.2511 - .2517 Ceramic tube Sand filled
0034.2518 - .2527
Fuse with pigtail leads
Time Current Characteristics
In rated current In
min. max. min. max.
315mA - 1.25A 60 min. 10 min. 40 ms 2 s
1.6A - 10A
60 min. 30 min. 40 ms 2 s
min. 5 ms 5 ms
max. 90 ms 90 ms
according to IEC 286-1
Order Numbers Rated current / rated voltage
Series FSM
mA /A / V~
Breaking capacity
0034.3993 Datasheet
Fuses, Circuit Protection, FUSE 2A 250V 5X20 T-LAG GLASS
Download: 0034.3993 Datasheet
0034.3993
Fuses, Circuit Protection, FUSE 2A 250V 5X20 T-LAG GLASS
FUSES / SICHERUNGEN Non resettable fuses
Miniature Fuses Type FSD 5 20
time delay T Glass tube
75 100
Standards UL 248-14 CSA C22.2 No. 248.14
Approvals UL CSA
Pre-arcing time/current characteristic (at Ta 23 C)
n In
Rated current In
1,1 In* 1.35 In
2 In
min. max. min. max.
100 mA - 3 A 4 h
5 s 120 s
3,2 - 3,5 A
12 s 120 s
* Non fusing current Inf
Pre-arcing time in seconds ts
Schmelzzeit in Sekunden ts
FSD 5 20
100'000 10'000
UL 248-14 100 mA - 3 A (test value) 3,2 - 3,5 A (test value)
3 4 5 6 7 8 9 10
Vi lf h d N t
Multiple of rated current In
UL CSA