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SFD1-25S-40
Fuses+holders for protection of 3-phase+N Type 1 AC SPD
SFD1-25S-40
Part Number:
64057
Specific Fuses (SPD Fusing Disconnectors) for short circuit protection of AC SPD
For Type 1 SPD
Surge current withstand: 25 kA (@10/350µs)
Very compact
Included fuses
Remote signaling and status signaling
Datasheet
Installation Sheet
Tender specifications
Contact Us
The SFD range has been especially designed to associated with Type 1 SPDs. These very specific fuses are able to conduct huge surge currents in rather small dimensions to protect Type 1 SPDs against harsh current circuit failures. In order to comply IEC 61643-11 standards, AC power SPD must be protected against short circuit failures: these specific fusing disconnectors must be installed in the SPD branch.
Select another reference:
SFD1-25S-11
SFD1-25S-20
SFD1-25S-30
SFD1-25S-31
SFD1-25S-40
Electrical Properties
Mechanical Properties
Norms
Schemas
AC system
IT
Max. AC operating voltage
Uc
500 Vac
Nominal discharge current
In
80 kA
Max. discharge current
Imax
100 kA
Impulse current by pole
Iimp
25 kA
Equivalent rated AC current
250 A
Breaking capacity
100 000 A
Residual voltage
Up
< 0.5 kV @ 25 kA
Fuse configuration
Cylindrical 22x58 mm
Mounting
Symmetrical rail 35 mm (EN 60715)
Accessory(s) provided
Fuse(s) included
Operating temperature
Tu
-40/+85°C
Protection rating
IP20
Disconnection indicator
Striker
Spare module(s)
SFD1-25
Remote signaling of disconnection
Yes
Dimensions
See diagram
Standards compliance
EN 61643-11 /IEC 61643-11 /EN 60269-1/EN 60269-2/IEC 60269-1/IEC 60269-2
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