Surge protection device for power supply systems MERSEN
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General information
Ordercode YESSS
4306-7779 
Product code
83020143
EAN code
38435297851739
Product group
Surge protection device for power supply systems
Brand
MERSEN
Product specifications
System configuration DC
No
System configuration IT
Yes
System configuration TN
No
Nominal discharge surge current (8/20)
20 kA
System configuration TN-C
No
Max. continuous voltage AC
440 V
System configuration TN-C-S
No
Nominal voltage AC
690 V
System configuration TN-S
No
System configuration TT
No
System configuration other
No
Voltage protection level
2 kV
Number of conductors (without earthing)
3
Voltage protection level L-N
2 kV
Mounting method
DIN rail (top hat rail) 35 mm
Short-circuit breaking capacity (Isccr)
25 kA
Construction size
3 modular spacing
Max. discharge surge current (8/20)
40 kA
Max. conductor cross section solid (solid, stranded)
35 mm²
With remote signalling contact
Yes
Max. conductor cross section flexible (fine-strand)
25 mm²
Signalling at the device
Optic
Category type 2
Yes
Degree of protection (IP)
IP20
Integrated backup fuse
No
Max. overcurrent protection device, parallel connection (fuse)
125 A
Max. overcurrent protection device, series connection (fuse)
125 A
Integrated short-circuit protection
No
Leakage-current free
No
Product information