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Siemens
5SD74121
Surge protection device for power supply systems
Manufacturer part number: 5SD74121
Serie:
Type: LIGHTN. ARRESTER B/T1/I 350V TN-...
EAN-code: 4001869340227
SKU Omnical: 2408098
Stock: 0.
Estimated lead time: 10 days *
PreOrder
S11
$
910.29
per item
$
546.17
per item
USD | Excluding VAT
Quantity
items
Contact us for a quote with volume pricing.
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5SD74121 Siemens Surge protection device for power supply systems
Siemens Surge protection device for power supply systems Lightning arrester type 1, requirement class B, UC 350 V protective mo
* Lead time based on standard manufacturer lead time and historical data. Omnical confirms lead times upon ordering and upon request.
Datasheet
Nominal discharge surge current (8/20)
(kA)
25
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)
1.5
Voltage protection level N-PE
(kV)
1.5
Mounting method
DIN rail (top hat rail) 35 mm
Construction size
4 modular spacing
Max. conductor cross section solid (solid, stranded)
(mm²)
35
Max. conductor cross section flexible (fine-strand)
(mm²)
25
With remote signalling contact
Yes
Integrated backup fuse
No
Signalling at the device
Optic
Category type 2
No
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)
50
Max. discharge surge current (8/20)
(kA)
50
Max. overcurrent protection device, parallel connection (fuse)
(A)
315
Max. overcurrent protection device, series connection (fuse)
(A)
125
Integrated short-circuit protection
No
Stock and logistics
Height
0.082 m
Width
0.095 m
Depth
0.077 m
Packaging
item
Weight
0.73 kg
HS code
85363090
Country of Origin
DE
