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ABBSurge protector
Product Model

OVR T1-T2 1N 12.5-275s P TS QS

Manufacturer

ABB

Category

Surge protector

Product ID

81171

In Stock
Last updated: 2025/4/22
View Specifications
ABB OVR T1-T2 1N 12.5-275s P TS QS

Selling Points

  • 1High Surge Protection Levels: Provides nominal 20 kA and maximum 80 kA discharge currents for effective lightning protection.
  • 2DIN Rail Mounting: Easy installation on DIN rail (top hat rail) 35 mm, ensuring compact and efficient use in industrial settings.
  • 3Comprehensive Standards Compliance: Meets IEC 61643-11 and EN 61643-11 standards for reliable performance in TT and TN-S low-voltage distribution systems.
  • 4Preventive Maintenance Feature: Equipped with a status indicator for easy monitoring and maintenance, ensuring your system remains protected.
  • 5Versatile Application: Suitable for protecting systems against transient overvoltages (lightning) in industry and commercial buildings.
Product Details
OVR T1-T2 1N 12.5-275s P TS 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-S
Suitable For
To protect the systems against the transient overvoltage (lightning)
Nominal AC Voltage of the System (Uo)
230 / 400 V
Voltage Protection Level ( Up)
(L-N) 1.4 kV (N-PE) 1.4 kV (L-PE) 1.5 kV
Maximum Continuous Operating Voltage (Uc)
(L-PE) 275 V (L-L) - V (L-N) 275 V (N-PE) 255 V
Temporary Overvoltage Test Value (UT)
(L-N) 337 V (N-PE) 1200 V
Discharge Current
Nominal 20 kA Maximum 80 kA Total 100 kA
Impulse Current
I (imp, 10 / 350 µs) 12.5 kA I (total, 10 / 350 µs) 25 kA
Lightning Impulse Current
12,5
Short Circuit Withstand Icc
100 kA
Follow Current Extinction Capacity If (I fi)
(L-N) - kA (N-PE) 0.1 kA
Power Loss
37 mW
Short-Circuit Protective Devices
Curve B Breakers ≤ 125 A Curve C Breakers ≤ 125 A gL Type Fuses ≤ 160 A gG Type Fuses ≤ 160 A
Arrester Class
I II
Number of Protected Poles
2
Number of Auxiliary Contacts NC
1
Number of Auxiliary Contacts NO
1
Number of Poles
2
Position of Neutral Terminals
Right
Version
Plug-in
Mounting Type
DIN-Rail
Product Type
QS
Options Provided
Industry, commercial building
Auxiliary Circuit Load
Minimum 12Vdc - 10mA Maximum 250Vac - 1A
Preventive Maintenance Feature
Yes
Status Indicator
Yes
Fuse Size
2 modular spacing
Degree of Protection
IP20
Maximum Operating Altitude Permissible
Without Derating 5000
Width in Number of Modular Spacings
2
Product Net Width
35.6 mm
Product Net Height
95.8 mm
Product Net Depth / Length
76.7 mm
Product Net Weight
0.3 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
141BCC
Manufacturer ID
2CTB815710R0100

Specifications may be subject to change without notice