Description
Features
Reviews
Legrand miniature circuit breaker DX3 according to EN 60947-2, 4-pole, B characteristic, rated current In 20 A, rated switching capacity 25 kA according to EN 60947-2, rated voltage Un 400 VAC, rated frequency 50/60 Hz, fastening on top hat rail EN 60715 using two snap-in quick fasteners, clear information on the front of each device, clear switch position indicator red/green, with labeling window, with protection against misplacement for safe insertion of the conductor into the elevator terminal, attachment of auxiliary devices possible. Circuit breakers with B characteristics are primarily intended for line protection in lighting and socket circuits.
| Property | Value |
| Triggering characteristic: | B |
| Rated current: | 20 A |
| Rated voltage: | 400 V |
| Type of voltage: | AC |
| Frequency: | 50 to 60 Hz |
| Width in pitch units: | 4 |
| Number of poles (total): | 4 |
| Additional equipment possible: | yes |
| Installation depth: | 44 mm |
| Protection class (IP): | IP20 |
| Rated switching capacity Icu according to IEC 60947-2 at 230 V: | 50 kA |
| Rated switching capacity Icu according to IEC 60947-2 at 400 V: | 25 kA |
| Pollution level: | 3 |
| Switching neutral conductor: | yes |
| Number of protected poles: | 4 |
| Rated insulation voltage Ui: | 500 V |
| Rated impulse withstand voltage Uimp: | 4 kV |
| Ambient temperature during operation: | -25 to 70 °C |
| Connectable conductor cross-section, stranded: | 1.5 to 25 mm² |
| Connectable conductor cross-section, single-wire: | 1.5 to 35 mm² |
Features
Insert Module Type
Light switch covers
Manufacturer
HAN
409743
GTIN
3245064097437
Connectable conductor cross-section solid
1.5 to 35 mm²
Connectable conductor cross-section stranded
1.5 to 25 mm²
Number of protected poles
4
Trigger characteristics
B
Rated insulation voltage Ui
500V
Rated switching capacity Icu according to IEC 60947-2 at 230 V
50kA
Rated switching capacity Icu according to IEC 60947-2 at 400 V
25kA
Rated voltage
400V
Rated impulse withstand voltage Uimp
4kV
Rated current
20A
Width in pitch units
4
Installation depth
44 mm
Frequency
50 to 60 Hz
Switching neutral conductor
Yes
Number of poles (total)
4
IP protection)
IP20
Voltage type
AC
Ambient temperature during operation
-25 to 70 °C
Degree of contamination
3
Additional equipment possible
Yes
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