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Surge circuit breaker for protection of Type 2 AC SPD

SSD80S-40-230
Part Number 802114
SSD80S-40-230

  • SPD Specific Disconnectors (SSD) for short circuit protection of Type 2 AC surge protectors

  • Surge current withstand: 80 kA @ 8/20µs

  • 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 be 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 2 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.
Minimum delay tripping current
 Id 3A@＜5s
Rated impulse withstand voltage
 Uimp 4 kV
Minimum instantaneous tripping current
 Ii 5A@＜0.1s
Nominal line voltage
 Un 230/400 Vac
Nominal discharge current
15 x 8/20 µs impulses
 In 40 kA
Max. discharge current
max. withstand @ 8/20 µs by pole
 Imax 80 kA
Equivalent rated AC current
 125 A
Breaking capacity
 100 000 A
Residual voltage
 Up < 2.8 kV（+SPD）
Rated insulation voltage
Ui
 Ui 400 Vac
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
Wiring for remote signaling
 0.75 mm² max.
Max. Voltage/Current for remote signaling
 240 V / 2 A (AC) , 24 V / 6 A (DC)
Remote signaling of disconnection via control module
 With attached seperated module
Dimensions
 See diagram - 1TE (EN43880)
Standards compliance
 GB/T 18802.11 / IEC 61643-11 / NB/T 42150
Certification
 CQC