Product Model

OVR T2-T3 20-440 C QS

In Stock
Last updated: 2025/4/19
ABB OVR T2-T3 20-440 C QS

Selling Points

  • 1High Voltage Protection: 1.4 kV voltage protection level for reliable safeguarding against transient overvoltages.
  • 2High Discharge Current: Nominal discharge current of 5 kA and maximum discharge current of 20 kA for effective surge protection.
  • 3Wide Compatibility: Suitable for IT, TN-C, TN-S, and TT low voltage distribution systems.
  • 4Compact Design: Compact dimensions (17.6 mm width, 57 mm height, 55.6 mm depth) for easy installation.
  • 5IP20 Rating: Meets IP20 degree of protection standards for indoor use, ensuring durability and safety.
Product Details
OVR T2-T3 20-440 C 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-C TN-S IT
Suitable For
To protect the systems against the transient overvoltage (lightning)
Rated Voltage (Ur)
400 V AC
Nominal AC Voltage of the System (Uo)
400 / 690 V
Voltage Protection Level ( Up)
1.4 kV (L-N) 1.4 kV (N-PE) 1.4 kV
Maximum Continuous Operating Voltage (Uc)
(L-PE) 440 V
Temporary Overvoltage Test Value (UT)
581 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
Arrester Class
II III
Number of Protected Poles
1
Number of Poles
1
Number of Conductors
1
Transmission Standard
Optic
Version
Plug-in
Mounting Type
DIN-Rail
Product Type
QS
Options Provided
Replacement Cartridge
Preventive Maintenance Feature
No
Status Indicator
Yes
Fuse Size
1 modular spacing
Degree of Protection
IP20
Maximum Operating Altitude Permissible
Without Derating 5000
Width in Number of Modular Spacings
1
Product Net Width
17.6 mm
Product Net Height
57 mm
Product Net Depth / Length
55.6 mm
Product Net Weight
0.12 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 Business
CN8
85363090
eClass
V11.0 : 27130805
Object Classification Code
141EEC
Manufacturer ID
2CTB803876R0600

Specifications may be subject to change without notice