DDC30C-20-65 DC power surge protection 48 VDC - 2 Pole (+, -)

Electrical properties

• Network 48 Vdc
• Connection mode +/-/PE
• Max. DC operating voltage Uc 65 Vdc
• Max. AC operating voltage Uc 50 Vac
• Max. operating voltage PV-DC Ucpv: 65 Vdc
• Permanent operating current @ Ucpv Icpv: < 0.1 mA
• Residual current Leakage current at Uc Ipe: < 0.1 mA
• Follow current If: None
• Nominal discharge current 15 x 8/20 μs impulses In: 15 kA
• Max. discharge current max. withstand @ 8/20 μs by pole Imax: 30 kA
• Total discharge current @ 8/20μs Imax total: 60 kA
• Protection level +/PE (-/PE) @ In (8/20μs): 300 V
• Protection level +/- @( (8/20μs): 600 V
• Admissible short circuit current Isccr: 10 000 A
• Current withstand short circuit PV Iscpv: 1000 A

Associated disconnectors

• Thermal disconnector: internal
• Fuses (if required): 20 A min - 125 A max - Type gG

Mechanical characteristics

• Dimensions see diagram, 1 TE (EN43880)
• Connection to Network by screw terminals: 1.5-10mm² (actives wires) and 2.5-25mm² (ground)
• Disconnection indicator: 1 mechanical indicator, Green/Red
• Failure mode: Disconnection from network
• Remote signaling of disconnection output on changeover contact: Option ĐC30CS-20-65
• Max. voltage/current for remote signaling: 250 V/0.5 A (AC) / 30 V/3 A (DC)
• Wiring for remote signaling: Max. 1.5 mm²
• Mounting Symmetrical: rail 35 mm (EN60715)
• Operating temperature: -40/+85°C
• Protection rating: IP20
• Housing material: Thermoplastic UL94-V0
• Spare unit: MDDC30C-20-65

Standards

• Compliance prIEC61643-41/ UL1449 ed.4