Littelfuse 321 - Manual

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012006
80A @ 250 V AC
50Hz
cos ϕ = 1.0
Kappe mit Kennmelder
cap with indicator
25 ±0,5
Ø5,2
+0,1 -
0,2
Note: 1.00 means the number one with two decimal places. 1,000 means the number one thousand.
M M M M M
INIA INIA INIA INIA INIATURE TURE TURE TURE TURE
F F F F F
USES USES USES USES USES
Dimensions Dimensions Dimensions Dimensions Dimensions
Permissible continuous operating current is Permissible continuous operating current is Permissible continuous operating current is Permissible continuous operating current is Permissible continuous operating current is ≤≤≤≤≤ 80 80 80 80 80% at ambient temperature of 23ºC (73.4ºF). % at ambient temperature of 23ºC (73.4ºF). % at ambient temperature of 23ºC (73.4ºF). % at ambient temperature of 23ºC (73.4ºF). % at ambient temperature of 23ºC (73.4ºF).
Specifications Specifications Specifications Specifications Specifications
Packaging Packaging Packaging Packaging Packaging
002: Pack (100 pcs.)
Materials Materials Materials Materials Materials
Tube: Ceramic
End Caps: Nickel-plated brass
Operating T Operating T Operating T Operating T Operating Temperature emperature emperature emperature emperature
-25ºC to +70ºC (consider de-rating)
Climatic Category Climatic Category Climatic Category Climatic Category Climatic Category
-25ºC/+70ºC/21 days (EN 60068-1..3)
Stock Conditions Stock Conditions Stock Conditions Stock Conditions Stock Conditions
+10ºC to +60ºC
relative humidity ≤ 75% yearly average,
without dew
Vibration Resistance Vibration Resistance Vibration Resistance Vibration Resistance Vibration Resistance
24 cycles at 15 min. each (EN 60068-2-6)
10 - 60Hz at 0.75mm amplitude
60 - 2000Hz at 10g acceleration
Marking Marking Marking Marking Marking
, M, Current Rating, 250V, C
Order Order Order Order Order Qty. Qty. Qty. Qty. Qty. Order- Order- Order- Order- Order- Series Series Series Series Series Amp Code Packaging Amp Code Packaging Amp Code Packaging Amp Code Packaging Amp Code Packaging
Information Information Information Information Information Number Number Number Number Number 321
Indicator Indicator Indicator Indicator Indicator, 250V , 250V , 250V , 250V , 250V
TTTTTime-Current Characteristic ime-Current Characteristic ime-Current Characteristic ime-Current Characteristic ime-Current Characteristic
Mitteträge (M)
Standard Standard Standard Standard Standard
DIN 41577, T.2
Approvals Approvals Approvals Approvals Approvals
None
5x25mm 5x25mm 5x25mm 5x25mm 5x25mm/ No. 321 321 321 321 321
Limits for Pre-arcing Time Limits for Pre-arcing Time Limits for Pre-arcing Time Limits for Pre-arcing Time Limits for Pre-arcing Time
Rated Amp Voltage Breaking Voltage Drop Power Dissipation Melting Integral color of indicator
Current Code Rating Capacity 1.0 x I
Rated
1.5 x I
Rated
10 x I
Rated
max. (mV) max. (W) min. (A 2 s)
Rated Current 1.5 x I
Rated
2.1 x I
Rated
2.75 x I
Rated
4 x I
Rated
10 x I
Rated
80mA ... 100mA
>1h <2min -
40ms ... 500ms
> 5ms
125 mA ... 630 mA 60ms ... 2s
on request
80mA 0080 250V1 520 0.015 grey
100mA 0100 250V1 500 0.030 red
125mA 0125 250V1 500 0.053 velvet
160mA 0160 250V1 480 0.11 orange
200mA 0200 250V1 400 0.23 blue
250mA 0250 250V1 500 0.38 yellow
315mA 0315 250V1 470 0.53 black
400mA 0400 250V1 400 0.75 brown
500mA 0500 250V1 400 1.5 white
630mA 0630 250V1 380 2.3 green
1 operating voltage ≥ 10 V
Specifications are subject
to change without notice