OVR T1-T2 4L 12.5-275s P TS QS

Name: OVR T1-T2 4L 12.5-275s P TS QS
Brand: ABB
SKU: OVR T1-T2 4L 12.5-275s P TS QS

The ABB OVR T1-T2 4L 12.5-275s P TS QS is a high-energy surge protective device, capable of discharging very high lightning currents and providing low residual voltage. It features the patented Safety Reserve system and QuickSafe technology for enhanced safety and efficiency.

Product ModelOVR T1-T2 4L 12.5-275s P TS QS

Material Number2CTB815710R1100

Product ID81649

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Lightning Current DischargeThe OVR T1-T2 4L 12.5-275s P TS QS is designed to handle very high lightning currents, ensuring your system is protected against severe electrical surges.
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2. Patented Safety Reserve SystemThis innovative system extends the lifespan of the installation by reducing downtime risks, providing a safety reserve in case of unexpected surges.
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3. QuickSafe TechnologyThe QuickSafe technology ensures rapid response times, minimizing the impact of electrical surges on your system.
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4. Din Rail MountingConveniently mountable on din rails, this device fits seamlessly into your existing infrastructure, making installation and maintenance easy.
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Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Standards

IEC 61643-11 / EN 61643-11

Type of Low Voltage Distribution System

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) 2.8 kV (N-PE) 1.4 kV (L-PE) 1.4 kV

Maximum Continuous Operating Voltage (Uc)

(L-PE) 275 V (L-L) 440 V (L-N) 440 V (N-PE) 275 V

5. Enhanced Safety FeaturesEquipped with a back-up protection up to 160 A fuse or 125 A MCB, this device provides comprehensive protection against electrical overloads and short circuits.

Temporary Overvoltage Test Value (UT)

337 V

Discharge Current

Nominal 20 kA Maximum 80 kA Total 320 kA

Impulse Current

I (imp, 10 / 350 Âµs) 12.5 kA I (total, 10 / 350 Âµs) 50 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

63 mW

Short-Circuit Protective Devices

Curve B Breakers â¤ 125 A Curve C Breakers â¤ 125 A gL Type Fuses â¤ 160 A gG Type Fuses â¤ 160 A

Arrester Class

I II

Number of Protected Poles

Number of Auxiliary Contacts NC

Number of Auxiliary Contacts NO

Number of Poles

Position of Neutral Terminals

Right

Version

Plug-in

Mounting Type

DIN-Rail

Product Type

Options Provided

Industry, commercial building

Auxiliary Circuit Load

Minimum 12Vdc - 10mA Maximum 250Vac - 1A

Preventive Maintenance Feature

Yes

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

Product Net Width

71.2 mm

Product Net Height

95.8 mm

Product Net Depth / Length

76.7 mm

Product Net Weight

0.6 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

2CTB815710R1100