Legrand residual current circuit breaker TX3, type A, for alternating and pulsating direct residual currents. According to 0664-10, EN 61008-1, undelayed, rated voltage 2-pole: 230 V~ / 4-pole: 400 V~, rated frequency 50 Hz, rated short-circuit current Inc 10 kA with suitable backup fuse, surge current resistant up to 250 A, rated switching capacity Im = 500 A, rated fault switching capacity I &Delta, m = 1000 A, fastening on top hat rail EN 60715 using snap-in fastenings, clear information on the front of each device, clear switch position indicator red/green 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 |
| Rated voltage: | 400 V |
| Rated current: | 40 A |
| Rated residual current: | 0.3 mA |
| Mounting type: | DIN rail |
| Protection class (IP): | IP20 |
| Frequency: | 50 Hz |
| Number of poles: | 4 |
| Width in pitch units: | 4 |
| Selective type: | no |
| Residual current type: | A |
| Additional devices possible: | yes |
| Installation depth: | 44 mm |
| Short-circuit strength (Icw): | 10 kA |
| Surge current strength: | 0.25 kA |
| Short-time delayed type: | no |
| Rated insulation voltage Ui: | 500 V |
| Rated impulse withstand voltage Uimp: | 4 kV |
| With locking device: | yes |
| Ambient temperature during operation: | -25 to 60 °C |
| Pollution degree: | 2 |
| Connectable conductor cross-section, stranded: | 0.75 to 35 mm² |
| Connectable conductor cross-section, solid: | 0.75 to 50 mm² |
