The Citel 6403011 is the part number for the DLA-24D3, a modular DIN rail-mounted surge protection device designed for data lines. Here's a detailed breakdown of its specifications and features:

Electrical Specifications

• Nominal Line Voltage (Un): 24 V
• Max. DC Operating Voltage (Uc): 28 Vdc
• Max. Load Current (@25 C): 300 mA
• Nominal Discharge Current (In): 5 kA (10x 8/20 )
• Max. Discharge Current (Imax): 20 kA (1x 8/20 )
• Impulse Current (Iimp): 5 kA (2x 10/350 µs)
• Protection Level: Up to 40 V (Line/Line and Line/Earth)
• Line Resistance: 4.7 Ohm 10%