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SPD Specific Disconnectors (SSD) for Type 1 AC SPD

SSD1-15S-20-230
Part Number 803112
SSD1-15S-20-230

  • SPD Specific Disconnectors (SSD) for short circuit protection of Type 1 AC surge protectors

  • Surge current withstand: 12.5 kA @ 10/350µs

  • Wide range of short circuit current protected

  • Reusable after switch triggered

  • Low rated tripping current with time-current characteristics for overcurrent coordination with upstream OCPD and safety disconnect in case of SPD failure

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The SSD range has been especially designed to associated with SPDs. These very specific devices with built-in GDT are able to conduct huge surge currents in rather small dimensions to protect Type 1 SPDs against harsh current circuit failures, furthermore, the coil in the SSD can cut off the minimum fault current. In order to comply IEC 61643-11 standards, AC power SPD must be protected against short circuit failures: these specific SPD disconnectors must be installed in the SPD branch.
Max. AC operating voltage
Uc 400 Vac
Nominal discharge current
15 x 8/20 µs impulses
 In 60 kA
Impulse current by pole
max. withstand 10/350µs by pole
 Iimp 15 kA
Equivalent rated AC current
 125 A
Breaking capacity
 100 000 A
Residual voltage
 Up < 1.9 kV
Format
 Monobloc modular box
Mounting
 Symmetrical rail 35 mm (EN 60715)
Operating temperature
 Tu -40/+85°C
Protection rating
 IP20
Remote signaling of disconnection
 Output on changeover contact
Dimensions
 See diagram - 1TE (EN43880)
Standards compliance
 GB/T 18802.11 / IEC 61643-11 / NB/T 42150