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Siemens
5SD74221
Surge protection device for power supply systems
Manufacturer part number: 5SD74221
Serie:
Type: SURGE ARR.C/T2/II 350V 2P RD
EAN-code: 4001869340302
SKU Omnical: 1186713
Stock: 0.
Estimated lead time: 10 days *
PreOrder
S11
€
261,00
per item
€
156,60
per item
EUR | Excluding VAT
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5SD74221 Siemens Surge protection device for power supply systems
Siemens Surge protection device for power supply systems Surge arrester type 2, requirement class C, UC 350 V protective module
* Lead time based on standard manufacturer lead time and historical data. Omnical confirms lead times upon ordering and upon request.
Datasheet
System configuration
TN-S
Type of poles
2
Nominal discharge surge current (8/20)
(kA)
40
Nominal voltage AC
(V)
230
Nominal voltage DC
(V)
0
Max. continuous voltage AC
(V)
350
Max. continuous voltage DC
(V)
0
Max. PV-voltage
(V)
0
Voltage protection level
(kV)
0
Voltage protection level L-N
(kV)
1.4
Voltage protection level N-PE
(kV)
1.5
Mounting method
DIN rail (top hat rail) 35 mm
Construction size
Other
Max. conductor cross section solid (solid, stranded)
(mm²)
25
Max. conductor cross section flexible (fine-strand)
(mm²)
16
With remote signalling contact
Yes
Integrated backup fuse
No
Signalling at the device
Optic
Category type 2
Yes
Degree of protection (IP)
IP20
System configuration DC
No
System configuration IT
No
System configuration TN
No
System configuration TN-C
No
System configuration TN-C-S
No
System configuration TN-S
No
System configuration TT
No
System configuration other
No
Number of conductors (without earthing)
1
Short-circuit breaking capacity (Isccr)
(kA)
25
Max. discharge surge current (8/20)
(kA)
40
Max. overcurrent protection device, parallel connection (fuse)
(A)
315
Max. overcurrent protection device, series connection (fuse)
(A)
63
Stock and logistics
Height
0.08 m
Width
0.094 m
Depth
0.022 m
Packaging
item
Weight
0.236 kg
HS code
85363090
Country of Origin
DE