Product Model

OVR T2-T3 20-440 P QS

In Stock
Last updated: 2025/4/18
ABB OVR T2-T3 20-440 P QS

Selling Points

  • 1High Reliability: Designed to protect against transient overvoltages, ensuring prolonged life of sensitive equipment.
  • 2Compliant Standards: Meets IEC 61643-11 and EN 61643-11 standards for surge protection.
  • 3Compact Design: Plug-in version with dimensions of 17.8 mm width, 58 mm depth, and 88 mm height.
  • 4Efficient Protection: Nominal discharge current of 5 kA, maximum of 20 kA, and total discharge current of 80 kA.
  • 5Versatile Compatibility: Suitable for TT, TN-S, and IT low voltage distribution systems with a nominal AC voltage of 400/690 V.
Product Details
OVR T2-T3 20-440 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-C TN-S IT
Suitable For
To protect the systems against the transient overvoltage (lightning)
Rated Voltage (Ur)
690 V AC
Nominal AC Voltage of the System (Uo)
400 / 690 V
Voltage Protection Level ( Up)
1.4 kV (L-N) 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
Power Loss
45 mW
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
Residential or other where accurate protection is needed.
Auxiliary Circuit Load
Minimum - Maximum -
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
17.8 mm
Product Net Height
88 mm
Product Net Depth / Length
58 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
2CTB803871R1100

Specifications may be subject to change without notice