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Surge circuit breaker for protection of Type 2 AC SPD
SSD40S-40-230
Part Number 805114
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SPD Specific Disconnectors (SSD) for short circuit protection of Type 2 AC surge protectors
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Surge current withstand: 40 kA @ 8/20µs
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Wide range of short circuit current protected
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Reusable after switch triggered
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Low rated tripping current with time-current characteristics for overcurrent coordination with upstream OCPD and safety disconnect in case of SPD failure
Datasheet
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.
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Rated impulse withstand voltage
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Uimp | 4 kV |
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Minimum instantaneous tripping current
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Ii | 5A@＜0.1s |
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Minimum delay tripping current
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Id | 3A@＜5s |
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Nominal line voltage
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Un | 230/400 Vac |
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Nominal discharge current
15 x 8/20 µs impulses
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In | 20 kA |
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Max. discharge current
max. withstand @ 8/20 µs by pole
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Imax | 40 kA |
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Equivalent rated AC current
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63 A | |
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Breaking capacity
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100 000 A | |
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Residual voltage
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Up | < 2.3 kV（+SPD） |
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Rated insulation voltage
Ui
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Ui | 400 Vac |
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Format
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Monobloc modular box | |
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Mounting
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Symmetrical rail 35 mm (EN 60715) | |
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Operating temperature
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Tu | -40/+85°C |
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Protection rating
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IP20 | |
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Remote signaling of disconnection
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Output on changeover contact | |
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Wiring for remote signaling
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0.75 mm² max. | |
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Max. Voltage/Current for remote signaling
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240 V / 2 A (AC) , 24 V / 6 A (DC) | |
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Remote signaling of disconnection via control module
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With attached seperated module | |
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Dimensions
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See diagram - 1TE (EN43880) |
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Standards compliance
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GB/T 18802.11 / IEC 61643-11 / NB/T 42150 | |
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Certification
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CQC |
