DC power surge protector
DDC50-21Y-500
Part Number: 828511253
- DC power Type 2 SPD
- For Energy Storage/EV Charging
- In/Imax: 20/50 kA
- Pluggable modules
- Remote signaling (option)
- prIEC 61643-41 compliance
Datasheet
The DDC50 range is type 2 pluggable surge protectors designed for protection to battery storage system.
The technology based on high energy varistor equipped with thermal disconnection mechanism offers protection efficiency and and a maximal reliability.
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| SPD type | 2 | |
| Nominal DC voltage | Un-dc | 450 Vdc |
| Max. DC operating voltage | Uc | 500 Vdc |
| Residual Current | Ipe | < 0.1 mA |
| Nominal discharge current | In | 20 kA |
| Max. discharge current | Imax | 50 kA |
| Impulse current by pole | Iimp | 4 kA |
| Protection level +/- | Up | 2.1 kV |
| Protection level +/PE (-/PE) | Up | 2.1 kV |
| Admissible short-circuit current | Isccr | 100 000 A |
| Connection to Network | by screw terminals: 2.5-25 mm² | |
| Mounting | Symmetrical rail 35 mm (EN60715) | |
| Housing material | Thermoplastic UL94-V0 | |
| Operating temperature | Tu | -40/+85°C |
| Protection rating | IP20 | |
| Failsafe mode | Disconnection from network | |
| Disconnection indicator | 1 mechanical indicator by pole - Red/Green | |
| Spare module(s) | MDDC50-500 | |
| Remote signaling of disconnection | option DDC50S-21Y-500: output on changeover contact | |
| Wiring for remote signaling | 1.5 mm² max. | |
| Max. Voltage/Current for remote signaling | 250 V / 0.5 A (AC) / 30 V / 3 A (DC) | |
| Dimensions | See diagram - 3 TE (EN43880) | |
| Weight | 0.292 kg |
| Standards compliance | prIEC 61443-41 - IEC61643-11 |
| Thermal disconnector | Internal | |
| Fuses | 50 A min. (Isccr 100 kA) - 125 A max. (Isccr 50 kA) - high voltage DC Fuses |
