

Details
- •Earthing, lightning and surge protection
- •Surge protection device for power supply systems
- •1 KOM
- •ABB
Technical specifications
2CTB803876R1200 | OVR T2-T3 20-275 C 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
Nominal voltage DC
-V
Construction size
Other
Mounting method
On basic element
Max. continuous voltage AC
275V
Nominal voltage AC
230V
Nominal discharge surge current (8/20)
5kA
Category type 2
Number of conductors (without earthing)
1
Voltage protection level
0.9kV
Max. continuous voltage DC
-V
Signalling at the device
Optic
Voltage protection level L-N
1.4kV
Integrated backup fuse
System configuration TN-S
System configuration TN-C-S
Voltage protection level N-PE
1.4kV
System configuration IT
Max. conductor cross section flexible (fine-strand)
16mm²
System configuration TT
System configuration TN
System configuration DC
System configuration TN-C
System configuration other
Degree of protection (IP)
IP20
Max. PV-voltage
-V
Short-circuit breaking capacity (Isccr)
100kA
Max. discharge surge current (8/20)
20kA
Max. conductor cross section solid (solid, stranded)
25mm²