Datasheet
Table Of Contents
3
Fuses
UMK 250
https://www.schurter.com /PG01_2
Fuses
Time-Current-Curves
Time in Seconds
1
10
0.1
0.0001
0.001
0.01
100
1000
10000
0
.1 1
0
1 1
00
500 mA
630 mA
800 mA
1 A
1.25 A
1.6 A
2 A
2.5 A
3.15 A
4 A
Current in Amperes
All Variants
Rated Cur-
rent [A]
Rated Vol-
tage [VAC]
Rated Vol-
tage [VDC]
Breaking
Capacity
Voltage Drop
1.0 In max.
[mV]
Voltage Drop
1.0 In typ.
[mV]
Power Dissi-
pation 1.25 In
max [mW]
Melting I²t
10.0 In typ.
[A²s]
Order Number
0.5 250 125 1) 430 600 500 0.27
l l
3404.2463.11
0.5 250 125 1) 430 600 500 0.27
l l
3404.2463.22
█
0.63 250 125 1) 350 500 500 0.9
l l
3404.2464.11
0.63 250 125 1) 350 500 500 0.9
l l
3404.2464.22
█
0.8 250 125 1) 300 400 500 0.21
l l
3404.2465.11
█
0.8 250 125 1) 300 400 500 0.21
l l
3404.2465.22
1 250 125 1) 250 300 500 0.4
l l
3404.2466.11
█
1 250 125 1) 250 300 500 0.4
l l
3404.2466.22
█
1.25 250 125 2) 220 300 1000 1
l l
3404.2467.11
█
1.25 250 125 2) 220 300 1000 1
l l
3404.2467.22
█
1.6 250 125 2) 190 300 1000 2.1
l l
3404.2468.11
1.6 250 125 2) 190 300 1000 2.1
l l
3404.2468.22
2 250 125 2) 200 300 1000 3.26
l l
3404.2469.11
█
2 250 125 2) 200 300 1000 3.26
l l
3404.2469.22
█
2.5 250 125 2) 160 300 1200 4.8
l l
3404.2470.11
█
2.5 250 125 2) 160 300 1200 4.8
l l
3404.2470.22
█
3.15 250 125 2) 100 300 1500 5.17
l l
3404.2471.11
█
3.15 250 125 2) 100 300 1500 5.17
l l
3404.2471.22
█
4 250 125 2) 100 300 2000 9.4
l l
3404.2472.11
█
4 250 125 2) 100 300 2000 9.4
l l
3404.2472.22
█ Most Popular.
Availability for all products can be searched real-time:https://www.schurter.com/en/Stock-Check/Stock-Check-SCHURTER
1) IEC: 100 A @ 250 VAC, p.f. ≥ 0.95 / 100 A @ 125 VDC
1) UL: 200 A @ 250 VAC / 100 A @ 125 VDC / 35 A @ 250 VDC / 200 A @ 63 VAC/DC
2) IEC / UL: 200 A @ 250 VAC / 100 A @ 125 VDC / 35 A @ 250 VDC / 200 A @ 63 VAC/DC
Approval Overview
UMF 250 -> Fuse with tin-plated caps, Approval Status: VDE, UL LISTED, cURus, Free of CCC, PSE JET, KTL
UMF 250 (Au) -> Fuse with gold-plated caps, Approval Status: VDE Mark and cURus
UMC 250 -> Clip, Approval Status: VDE UG Mark and cURus