

Details
- •Earthing, lightning and surge protection
- •Surge protection device for power supply systems
- •1 KOM
- •ABB
Technical specifications
2CTB803973R2000 | OVR T2-T3 N 80-440 P QS

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Details
- Earthing, lightning and surge protection
- Surge protection device for power supply systems
- 1 KOM
- ABB
Technical specifications
Integrated backup fuse
Construction size
1 modular spacing
With remote signalling contact
System configuration DC
Voltage protection level N-PE
-kV
Max. continuous voltage AC
440V
Voltage protection level L-N
-kV
Signalling at the device
Optic
Nominal voltage AC
690V
Number of conductors (without earthing)
1
Max. continuous voltage DC
-V
Mounting method
DIN rail (top hat rail) 35 mm
Nominal discharge surge current (8/20)
30kA
Nominal voltage DC
-V
Max. conductor cross section flexible (fine-strand)
16mm²
Voltage protection level
1.4kV
Max. PV-voltage
-V
Max. conductor cross section solid (solid, stranded)
25mm²
Category type 2
System configuration IT
System configuration TN
System configuration TN-S
System configuration TN-C
Degree of protection (IP)
IP20
Max. discharge surge current (8/20)
80kA
System configuration other
System configuration TT
System configuration TN-C-S
Short-circuit breaking capacity (Isccr)
100kA