INIATURE MINIATURE FUSES
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 IN
>1h
2.1 x IN
< 30 min
2.75 x IN
-
4 x IN
60 ms ... 2 s
10 x IN
5 ms ... 70 ms
Permissible continuous operating current is ≤ 80 % at ambient temperature of 23 ºC (73.4 ºF). 80 Rated Amp Voltage Breaking Voltage Drop Power Dissipation Melting Integral Current Code Rating Capacity 1.0 x IN 1.5 x IN 10 x IN max. (mV) max. (W) min. (A2s)
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.
OrderNumber
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
INIATURE MINIATURE FUSES
5x20mm/ 5x20mm No. 311
Time (sec.)
I Fault / I Rated
Contact Littelfuse for individual I-t curves
0 50930
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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