Selective differential switch 4P 63A 300mA type AC

DX³ 4-pole differential switch designed to protect people against direct and indirect contact and to prevent fire risks caused by persistent earth fault currents.

Technical features

• Number of poles: 4
• Rated voltage: 400 V
• Rated current: 63 A
• Tripping sensitivity: 0.3 A (300 mA)
• Nominal insulation voltage (Ui): 500 V
• Maximum impulse voltage (Uimp): 4 kV
• Mounting method: DIN rail
• Leakage current type: AC
• Selective protection: Yes
• Short-time delay disconnection: Yes
• Short-circuit breaking capacity (Icw): 10 kA
• Overcurrent withstand: 3 kA
• Frequency: 50 Hz
• Protection rating: IP20
• Width: 4 modules
• Depth: 44 mm
• Operating temperature: -25...60 °C
• Pollution degree: 2
• Conductor cross-section: 0.75...35 mm² (flexible) / 0.75...50 mm² (rigid)
• Color: Grey (RAL 7035)
• Padlock system: Yes

This device offers selective disconnection with short-time delay, allowing coordination of protection in complex installations. Its DIN rail mounting and the possibility of adding additional equipment facilitate integration into standard electrical panels.