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ABBSurge protector
Product Model

OVR T1-T2 12.5-275s P QS

Manufacturer

ABB

Category

Surge protector

Product ID

77177

In Stock
Last updated: 2025/4/21
View Specifications
ABB OVR T1-T2 12.5-275s P QS

Selling Points

  • 1High Impulse Current Handling: Rated impulse current up to 80kA (8/20µs) and 12.5kA (10/350µs).
  • 2DIN Rail Mounting: Easy installation on DIN rail for compact and efficient use.
  • 3Wide Operating Temperature Range: Operates from -40°C to 80°C, ensuring reliability in various environments.
  • 4Mechanical Indicators: Fitted with mechanical indicators for each arrester operation, providing clear status monitoring.
  • 5IP20 Protection Rating: Ensures protection against solid particles and water spray, meeting IP20 standards.
Product Details
OVR T1-T2 12.5-275s 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
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) - kV (L-PE) 1.4 kV
Maximum Continuous Operating Voltage (Uc)
(L-PE) 275 V (L-L) 275 V (L-N) 275 V (N-PE) - V
Temporary Overvoltage Test Value (UT)
337 V
Discharge Current
Nominal 20 kA Maximum 80 kA Total 80 kA
Impulse Current
I (imp, 10 / 350 µs) 12.5 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
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
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
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
141BCC
Manufacturer ID
2CTB815710R1200

Specifications may be subject to change without notice