

Details
- •Earthing, lightning and surge protection
- •Surge protection device for power supply systems
- •1 KOM
- •ABB
Technical specifications
2CTB803973R1600 | OVR T2-T3 3N 20-275 P TS QS

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Details
- Earthing, lightning and surge protection
- Surge protection device for power supply systems
- 1 KOM
- ABB
Technical specifications
Number of conductors (without earthing)
4
Nominal voltage DC
-V
Voltage protection level L-N
1.4kV
Voltage protection level
1.5kV
With remote signalling contact
Construction size
4 modular spacing
Max. continuous voltage AC
275V
Nominal discharge surge current (8/20)
5kA
Nominal voltage AC
400V
Category type 2
Mounting method
DIN rail (top hat rail) 35 mm
Degree of protection (IP)
IP20
Max. continuous voltage DC
-V
Signalling at the device
Optic
Max. PV-voltage
-V
Voltage protection level N-PE
1.4kV
Integrated backup fuse
System configuration TN-C
System configuration other
System configuration TN-C-S
Short-circuit breaking capacity (Isccr)
100kA
Max. discharge surge current (8/20)
80kA
System configuration IT
Max. conductor cross section flexible (fine-strand)
16mm²
System configuration TN-S
Max. conductor cross section solid (solid, stranded)
25mm²
System configuration DC
System configuration TT
System configuration TN