14×51 aR Cylindrical fuse link for semiconductors
aR Cylindrical fuse links for semiconductors
Range
| SIZE | Un (V AC) | In (A) | REFERENCE | |
|---|---|---|---|---|
WITHOUT STRIKER |
WITH STRIKER |
|||
| 14x51 | 690V | 4 | 491215  |
- |
| 6 | 491225 |
- | ||
| 8 | 491230 |
491730 |
||
| 10 | 491235 |
491735 |
||
| 12 | 491237 |
491737 |
||
| 16 | 491241 |
491741 |
||
| 20 | 491245 |
491745 |
||
| 25 | 491250 |
491750 |
||
| 32 | 491260 |
491760 |
||
| 40 | 491265 |
491765 |
||
| 50 | 491270 |
491770 |
||
Technical data
| Rated voltage | 690V AC (UL/IEC) 700V DC (L/R=10ms)(IEC) |
| Rated currents | 4A...50A |
| Rated breaking capacity | 200kA @690V AC 30kA @700V DC |
| Operating class | aR |
| Storage temperature | -40°C ... 90°C |
| Operating temperature * | -40°C ... 80°C |
| * For ambient temperatures higher than 25ºC it is necessary to apply a derating in maximum current. | |
Standards
IEC/EN 60269-1
IEC/EN 60269-4
UL248-1
UL248-13
RoHS Compliant
Dimensions
Weight 18gr
Certifications
t-I characteristics
Cut-off characteristics
Power dissipation
| RATED CURRENT (A) |
REFERENCE * | POWER DISSIPATION In (W) |
POWER DISSIPATION 0,8·In (W) |
PREARCING I2t (A2s) |
I2t 690V (A2s) |
|---|---|---|---|---|---|
| 4 | 491215 | 2,28 | 1,32 | 5,6 | 14 |
| 6 | 491225 | 3,18 | 1,8 | 16 | 40 |
| 8 | 491230 | 1,69 | 1,01 | 4,1 | 23 |
| 10 | 491235 | 2,36 | 1,39 | 6,3 | 37 |
| 12 | 491237 | 2,78 | 1,63 | 9,1 | 53 |
| 16 | 491241 | 4,16 | 2,43 | 12,4 | 72 |
| 20 | 491245 | 5,43 | 3,04 | 20,6 | 119 |
| 25 | 491250 | 6,11 | 3,75 | 36,6 | 211 |
| 32 | 491260 | 7,17 | 3,92 | 82,3 | 475 |
| 40 | 491265 | 8,15 | 4,52 | 146,3 | 844 |
| 50 | 491270 | 10,6 | 5,6 | 260 | 1500 |
| * Same data for STRIKER range. | |||||
Compatible
 |
 |
|
| PMX 14x51 fuse holder | BAC 14×51 Open fuse base | |
| U | 690V AC 750V DC |
690V AC |
| In | 50A | 50A |
Other sizes
 |
 |
|
 |
 |
|
|---|---|---|
| U | 690V AC | 690V AC |
| IN | 1A...32A | 20A...100A |
| Breaking capacity | 200kA 30kA @700V DC |
200kA 30kA @700V DC |
| Certifications | |
|