

Details
- •Earthing, lightning and surge protection
- •Surge protection device for power supply systems
- •1 KOM
- •ABB
Technical specifications
2CTB804201R0100 | OVR T2 40-275

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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)
1
Max. continuous voltage AC
275V
Signalling at the device
Optic
Nominal voltage AC
230V
Mounting method
DIN rail (top hat rail) 35 mm
Voltage protection level L-N
1.2kV
Nominal discharge surge current (8/20)
20kA
Construction size
1 modular spacing
Nominal voltage DC
-V
Max. continuous voltage DC
-V
Voltage protection level
1.2kV
Category type 2
With remote signalling contact
System configuration TN-S
System configuration IT
Integrated backup fuse
Max. conductor cross section solid (solid, stranded)
25mm²
Degree of protection (IP)
IP20
System configuration DC
System configuration TN
Max. PV-voltage
-V
System configuration TT
Max. conductor cross section flexible (fine-strand)
16mm²
Voltage protection level N-PE
1.2kV
System configuration TN-C
System configuration other
Max. overcurrent protection device, series connection (fuse)
50A
Short-circuit breaking capacity (Isccr)
50kA
Integrated short-circuit protection
Integrated short-circuit protection selective to fuse gG
-A
Max. discharge surge current (8/20)
40kA
System configuration TN-C-S
Max. overcurrent protection device, parallel connection (fuse)
50A
Leakage-current free