

Details
- •Earthing, lightning and surge protection
- •Surge protection device for power supply systems
- •1 KOM
- •ABB
Technical specifications
2CTB815704R1800 | OVR T2 3L 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
Category type 2
Voltage protection level L-N
-kV
Voltage protection level
1.4kV
Max. continuous voltage AC
275V
Mounting method
DIN rail (top hat rail) 35 mm
Nominal discharge surge current (8/20)
20kA
Construction size
3 modular spacing
Nominal voltage DC
-V
Number of conductors (without earthing)
3
Nominal voltage AC
230V
With remote signalling contact
Short-circuit breaking capacity (Isccr)
100kA
Max. conductor cross section flexible (fine-strand)
25mm²
Max. continuous voltage DC
-V
System configuration other
System configuration IT
Max. conductor cross section solid (solid, stranded)
35mm²
Voltage protection level N-PE
-kV
System configuration TN-C-S
System configuration TN-S
Integrated backup fuse
System configuration TT
System configuration TN-C
Max. discharge surge current (8/20)
120kA
Degree of protection (IP)
IP20
System configuration TN
Signalling at the device
Optic
System configuration DC
Max. PV-voltage
-V