OVR T2-T3 3N 20-440 P QS

Product ID:80657
Updated: 2026/4/3
ABB OVR T2-T3 3N 20-440 P QS

Key Features

  • 1Ensure prolonged equipment life by disconnecting before MOVs short-circuit. 2、Offer voltage protection of 1.5 kV and 440 V AC continuous. 3、Simplify installation with 35 mm DIN rail compatibility. 4、Handle up to 80 kA max discharge surge current reliably. 5、Provide safe operation with zero leakage current for compliance.
Product Details
OVR T2-T3 3N 20-440 P QS
ABB

Technical Specifications

Detailed engineering parameters

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)
690 V AC
Nominal AC Voltage of the System (Uo)
400 / 690 V
Voltage Protection Level ( Up)
1.5 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)
(L-N) 581 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
156 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 Business
CN8
85363090
eClass
V11.0 : 27130805
Object Classification Code
141EEC
Manufacturer ID
2CTB803973R1300

Specifications may be subject to change without notice