Legrand FI/LS switch DX3, 4-pole, type A, for alternating and pulsating direct residual currents in accordance with EN 61009-1,0664-20, undelayed, rated current In 20 A, rated residual current Idn 30 mA.B characteristic, rated voltage Un 400 VAC, rated frequency 50 Hz, rated switching capacity Icn 6 kA, surge current resistant up to 250 A, energy limitation class 3, tripping indicator: yellow = residual current or test button tripping, colorless = short circuit or manual tripping. Fastening to top hat rail EN 60715 using snap-on quick fasteners, clear information on the front of each device, clear red/green switch position indicator on the switch lever (lockable), with label window, with protection against misplacement for safe insertion of the conductor into the elevator terminal, attachment of auxiliary devices possible.
| Property | Value |
| Trip characteristic: | B |
| Rated current: | 20 A |
| Rated residual current: | 0.03 A |
| Rated voltage: | 400 V |
| Frequency: | 50 Hz |
| Number of poles (total): | 4 |
| Width in modular spacing: | 4 |
| Fault current type: | A |
| Installation depth: | 44 mm |
| Rated breaking capacity according to IEC 60947-2: | 10 kA |
| Surge current strength: | 0.25 kA |
| Protection class (IP): | IP20 |
| Energy limitation class: | 1 |
| Pollution level: | 2 |
| Switching neutral conductor: | yes |
| Number of protected poles: | 4 |
| Type of voltage: | AC |
| False tripping protection: | no |
| Rated breaking capacity according to EN 61009: | 6 kA |
| Rated short-circuit breaking capacity Icn according to EN 61009-1: | 6 kA |
| With locking device: | yes |
