INIATURE
M
INIATURE
F
USES
mm/
5x20 mm No. 311
Indicator,
Indicator, 250 V
Time-Current
Standard
Mittelträge (M)
DIN 41577, T.2
None
Specifications
Packaging
002: Pack (20 x 10 pcs.)
Characteristic
Materials
Approvals
Tube:
End Caps:
Ceramic
Nickel-plated brass
Temperature
Operating Temperature
Climatic Category
Stock Conditions
-40 ºC to +85 ºC (consider de-rating)
-40 ºC / +85 ºC / 21 days
(IEC 60068-1,-2-1,-2-2,-2-78)
+10 ºC to +60 ºC
relative humidity
≤
75 % yearly average,
without dew
24 cycles at 15 min. each (EN 60068-2-6)
10 - 60 Hz at 0.75 mm amplitude
60 - 2000 Hz at 10 g acceleration
, M, Current Rating, 250 V, G
Dimensions (mm)
Ausf. / type: 800mA ... 4A
Ø5,2
+0,1
- 0,2
Vibration Resistance
20
±0,5
Kappe mit Kennmelder
cap with indicator
Marking
Ausf. / type: 6,3A
Ø5,2
+0,1
- 0,2
20
±0,5
Limits for Pre-arcing Time
Rated Current
800 mA ... 6.30 A
1.5 x I
N
>1h
2.1 x I
N
< 30 min
2.75 x I
N
-
4 x I
N
60 ms ... 2 s
10 x I
N
5 ms ... 70 ms
Permissible continuous operating current is
≤
80 % at ambient temperature of 23 ºC (73.4 ºF).
Rated
Amp
Voltage
Breaking
Voltage Drop Power Dissipation Melting Integral
Current
Code
Rating
Capacity
1.0 x
I
N
1.5 x
I
N
10 x
I
N
max. (mV)
max. (W)
min. (A
2
s)
800 mA
1A
1.25 A
1.6 A
2A
2.5 A
4A
6.3 A
1
0800
1100
1125
1160
1200
1250
1400
1630
250 V2
250 V2
250 V2
250 V2
250 V2
250 V2
250 V2
250 V2
400
350
310
480
360
300
180
160
1.0
1.2
1.7
2.5
4.5
8.2
30.0
94.0
Approvals
1500 A @ 250 V AC
50 Hz
cos
ϕ
= 0.7
on request
None
1 without gauge stud
2 operating voltage
≥
10 V
Note: 1.00 means the number one with two decimal places. 1,000 means the number one thousand.
Order
Information
050930
Qty.
Order-
Number
Series
311
Amp Code
Packaging
In our continuing strategy to deliver unparalleled circuit protection solutions,
technical expertise and application leadership, we proudly introduce the
WICKMANN Group and its products to the Littelfuse portfolio.
WebSite
www.littelfuse.com
M
INIATURE
F
USES
INIATURE
5x20mm No. 311
5x20mm/
Time (sec.)
I
Fault
/ I
Rated
Contact Littelfuse for individual I-t curves
050930
In our continuing strategy to deliver unparalleled circuit protection solutions,
technical expertise and application leadership, we proudly introduce the
WICKMANN Group and its products to the Littelfuse portfolio.
WebSite
www.littelfuse.com
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