Protect your systems against transient overvoltages with the ABB OVR T2 3N 40-275 P QS surge protective device, designed to meet IEC 61643-11 standards.
Product ModelOVR T2 3N 40-275 P QS
Material Number2CTB803973R1100
Product ID77234
Stock on Request
Last updated: 8/29/2026
Key Features
1
1. Compliance with International StandardsThe ABB OVR T2 3N 40-275 P QS surge protective device is tested and certified to meet the IEC 61643-11 and EN 61643-11 standards, ensuring it is compatible with a wide range of applications.
2
2. Effective Lightning ProtectionDesigned to protect low-voltage consumer systems from surge voltages, this device is ideal for safeguarding against transient overvoltages caused by lightning strikes.
3
3. High Discharge Current CapacityWith a nominal discharge current of 20 kA and a maximum of 40 kA, this device can handle significant surge currents, providing robust protection for your electrical systems.
4
4. Compact and Easy InstallationThe plug-in design makes it easy to install on DIN rail, ensuring a compact footprint that fits seamlessly into your distribution switchboard or sub-distribution board.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
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)
230 V AC
Nominal AC Voltage of the System (Uo)
230 / 400 V
Voltage Protection Level ( Up)
1.5 kV (L-N) 1.25 kV (N-PE) 1.4 kV
5
5. Enhanced Safety FeaturesEquipped with the patented Safety Reserve system, this device extends the lifespan of the installation by providing backup protection up to 160 A fuse or 125 A MCCB, reducing downtime risks and ensuring improved safety.
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) 20 kA I (max, 8 / 20 µs) 40 kA
Impulse Current
I (imp, 10 / 350 µs) 2 kA
Short Circuit Withstand Icc
100 kA
Power Loss
29 mW
Arrester Class
II
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, commercial building.
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)
