Product Model

OVR T2-T3 3N 20-275 P QS

In Stock
Last updated: 2025/4/29
ABB OVR T2-T3 3N 20-275 P QS

Selling Points

  • 1Protects against transient overvoltages (lightning) with high discharge currents.
  • 2Meets IEC 61643-11 and EN 61643-11 standards for reliability.
  • 3Suitable for TT and TN-S low voltage distribution systems.
  • 4Features a nominal discharge current of 5 kA and maximum of 20 kA.
  • 5Ensures continuous operation up to 275 V with high voltage protection levels.
Product Details
OVR T2-T3 3N 20-275 P QS
ABB

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Standards
IEC 61643-11 / EN 61643-11
Type of Low Voltage Distribution System
TT TN-S
Suitable For
To protect the systems against the transient overvoltage (lightning)
Rated Voltage (Ur)
400 V AC
Nominal AC Voltage of the System (Uo)
230 / 400 V
Voltage Protection Level ( Up)
1.4 kV (L-N) 1.8 kV (N-PE) 1.4 kV
Maximum Continuous Operating Voltage (Uc)
(L-PE) 275 V
Temporary Overvoltage Test Value (UT)
(L-N) 337 V (N-PE) 1200 V
Rated Service Short-Circuit Breaking Capacity (Ics)
100 kA
Discharge Current
Nominal (8 / 20 µs) 5 kA I (max, 8 / 20 µs) 20 kA
Impulse Current
I (imp, 10 / 350 µs) 2 kA
Short Circuit Withstand Icc
100 kA
Power Loss
29 mW
Arrester Class
II III
Number of Protected Poles
4
Number of Poles
4
Number of Conductors
4
Position of Neutral Terminals
Right
Transmission Standard
Optic
Version
Plug-in
Mounting Type
DIN-Rail
Product Type
QS
Options Provided
Residential or other where accurate protection is needed.
Auxiliary Circuit Load
Minimum - Maximum -
Preventive Maintenance Feature
No
Status Indicator
Yes
Fuse Size
4 modular spacing
Degree of Protection
IP20
Maximum Operating Altitude Permissible
Without Derating 5000
Width in Number of Modular Spacings
4
Product Net Width
71.2 mm
Product Net Height
88 mm
Product Net Depth / Length
58 mm
Product Net Weight
0.48 kg
ETIM 8
EC000941 - Surge protection device for power supply systems
ETIM 9
EC000941 - Surge protection device for power supply systems
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
WEEE B2C / B2B
Business To Consumer
CN8
85363090
eClass
V11.0 : 27130805
Object Classification Code
141ECC
Manufacturer ID
2CTB803973R1200

Specifications may be subject to change without notice