

Details
- •Earthing, lightning and surge protection
- •Surge protection device for power supply systems
- •1 KOM
- •ABB
Technical specifications
2CTB815704R2300 | OVR T2 4L 40-275s P QS

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Details
- Earthing, lightning and surge protection
- Surge protection device for power supply systems
- 1 KOM
- ABB
Technical specifications
With remote signalling contact
Mounting method
DIN rail (top hat rail) 35 mm
Voltage protection level
1.4kV
Max. continuous voltage AC
275V
Degree of protection (IP)
IP20
Number of conductors (without earthing)
4
Nominal voltage AC
230V
Max. PV-voltage
-V
Construction size
4 modular spacing
Nominal voltage DC
-V
Voltage protection level L-N
1.4kV
Category type 2
Max. continuous voltage DC
-V
Nominal discharge surge current (8/20)
20kA
Signalling at the device
Optic
Voltage protection level N-PE
1.4kV
System configuration TN-C
Max. conductor cross section solid (solid, stranded)
35mm²
System configuration TN-S
System configuration IT
Integrated backup fuse
System configuration TN
Max. conductor cross section flexible (fine-strand)
25mm²
System configuration DC
Short-circuit breaking capacity (Isccr)
100kA
Max. discharge surge current (8/20)
160kA
System configuration TT
System configuration other
System configuration TN-C-S