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ABBSurge protector
Product Model

OVR T1-T2 12.5-440s P QS

Manufacturer

ABB

Category

Surge protector

Product ID

81280

In Stock
Last updated: 2025/4/22
View Specifications
ABB OVR T1-T2 12.5-440s P QS

Selling Points

  • 1Robust Surge Protection: Protects against transient overvoltages with a rated impulse current of 12.5 kA.
  • 2DIN Rail Mounting: Conveniently mounts on DIN rail for easy installation in industrial settings.
  • 3High IP Rating: Ensures reliable operation with an IP20 rating, providing protection against solid particles.
  • 4Mechanical Indicators: Fitted with mechanical indicators for each arrester operation, ensuring easy monitoring.
  • 5Wide Voltage Range: Compatible with AC voltages up to 440 V and DC voltages up to 1.9 kV.
Product Details
OVR T1-T2 12.5-440s 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)
Nominal AC Voltage of the System (Uo)
400 / 690 V
Voltage Protection Level ( Up)
(L-N) 1.9 kV (N-PE) - kV (L-PE) 1.9 kV
Maximum Continuous Operating Voltage (Uc)
(L-PE) 440 V (L-L) 440 V (L-N) 440 V (N-PE) - V
Temporary Overvoltage Test Value (UT)
581 V
Discharge Current
Nominal 20 kA Maximum 80 kA Total 80 kA
Impulse Current
I (imp, 10 / 350 µs) 12.5 kA I (total, 10 / 350 µs) - kA
Lightning Impulse Current
12,5
Short Circuit Withstand Icc
100 kA
Follow Current Extinction Capacity If (I fi)
(L-N) - kA (N-PE) - kA
Power Loss
70 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
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
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
88 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
141BEC
Manufacturer ID
2CTB815710R4100

Specifications may be subject to change without notice