OVR T1-T2 N 50-440s P QS

Product ID:81654
Updated: 2026/4/3
ABB OVR T1-T2 N 50-440s P QS

Key Features

  • 1Safeguard TN-S systems against lightning and surge voltages. 2、Handle high discharge currents up to 100 kA maximum. 3、Comply with international IEC 61643-11 standards. 4、Install easily in tight spaces with a compact 17.8 mm width. 5、Ensure reliable operation from -40°C to 80°C.
Product Details
OVR T1-T2 N 50-440s 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)
Nominal AC Voltage of the System (Uo)
400 / 690 V
Voltage Protection Level ( Up)
(L-N) - kV (N-PE) 1.9 kV (L-PE) - kV
Maximum Continuous Operating Voltage (Uc)
(L-PE) - V (L-L) - V (L-N) - V (N-PE) 440 V
Temporary Overvoltage Test Value (UT)
1200 V
Discharge Current
Nominal 50 kA Maximum 100 kA Total 100 kA
Impulse Current
I (imp, 10 / 350 µs) - kA I (total, 10 / 350 µs) 50 kA
Lightning Impulse Current
50
Short Circuit Withstand Icc
100 A
Follow Current Extinction Capacity If (I fi)
(L-N) - kA (N-PE) 0.1 kA
Arrester Class
I II
Number of Protected Poles
1
Number of Poles
1
Version
Plug-in
Mounting Type
DIN-Rail
Product Type
QS
Options Provided
Industry, commercial building
Preventive Maintenance Feature
Yes
Status Indicator
No
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
76.7 mm
Product Net Weight
0.15 kg
ETIM 8
EC001457 - Combined arrester for power supply systems
ETIM 9
EC001457 - Combined arrester 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 : 27130808
Object Classification Code
141BEC
Manufacturer ID
2CTB815710R5300

Specifications may be subject to change without notice