

Details
- •Earthing, lightning and surge protection
- •Combined arrester for power supply systems
- •1 KOM
- •ABB
Technical specifications
2CTB815710R1200 | OVR T1-T2 12.5-275s P QS

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Details
- Earthing, lightning and surge protection
- Combined arrester for power supply systems
- 1 KOM
- ABB
Technical specifications
Lightning impulse current (10/350 µs)
12.5kA
Mounting method
DIN rail (top hat rail) 35 mm
Construction size
1 modular spacing
Max. continuous voltage AC
255V
Nominal voltage AC
230V
Voltage protection level
0.5kV
Remote signalling
Exhausting
Number of poles
1
Nominal voltage DC
350V
Follow current extinguishing capability
-kA
Test class
Type 1 + 2
Voltage protection level L-N
1.3kV
Max. continuous voltage DC
350V
System configuration TN-C-S
Max. PV-voltage
-V
System configuration other
Voltage protection level N-PE
1.3kV
Integrated backup fuse
Voltage protection level (DC+ - DC-)
-kV
Max. conductor cross section flexible (fine-strand)
25mm²
Degree of protection (IP)
IP20
Signalling at the device
None
Specific energy (W/R)
-kJ/Ohm
System configuration DC
System configuration TN-S
Energy-coordinated protection effect with regard to the terminal equipment
System configuration IT
Max. conductor cross section solid (solid, stranded)
35mm²
Voltage protection level L-PE
1.4kV
System configuration TN-C
System configuration TN
System configuration TT
Voltage protection level (DC+/DC- - PE)
-kV