OVR T2-T3 1N 20-275 P QS

Name: OVR T2-T3 1N 20-275 P QS
Brand: ABB
SKU: OVR T2-T3 1N 20-275 P QS

The ABB OVR T2-T3 1N 20-275 P QS is a robust surge protective device designed to safeguard your electrical systems against transient overvoltages, including lightning strikes. With a high discharge current capacity and compliance with IEC 61643-11 standards, this device is perfect for residential and commercial applications requiring accurate protection.

Product ModelOVR T2-T3 1N 20-275 P QS

Material Number2CTB803972R1200

Product ID70185

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Discharge Current CapacityThe OVR T2-T3 1N 20-275 P QS boasts a nominal discharge current of 5 kA and a maximum discharge current of 20 kA, ensuring effective protection against high surge currents.
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2. Compliance with International StandardsThis surge protective device meets the stringent standards of IEC 61643-11 and EN 61643-11, guaranteeing its reliability and performance in various electrical systems.
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3. Protection Against Lightning StrikesDesigned to protect systems against transient overvoltages, including those caused by lightning strikes, the OVR T2-T3 1N 20-275 P QS is a reliable solution for safeguarding your electrical infrastructure.
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4. Compact and Modular DesignWith a compact design suitable for plug-in or DIN-rail mounting, this device is easy to integrate into your existing electrical setup, making it a versatile solution for various applications.

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

TT TN-S

Suitable For

To protect the systems against the transient overvoltage (lightning)

Rated Voltage (Ur)

400 V AC

Nominal AC Voltage of the System (Uo)

230 / 400 V

Voltage Protection Level ( Up)

1.4 kV (L-N) 0.9 kV (N-PE) 1.4 kV

5. Advanced Safety FeaturesEquipped with an integrated thermal disconnector and an end-of-life indicator, the OVR T2-T3 1N 20-275 P QS ensures enhanced safety and reliability, providing peace of mind for your electrical system's protection.

Maximum Continuous Operating Voltage (Uc)

(L-PE) 275 V

Temporary Overvoltage Test Value (UT)

(L-N) 337 V (N-PE) 1200 V

Rated Service Short-Circuit Breaking Capacity (Ics)

100 kA

Discharge Current

Nominal (8 / 20 Âµs) 5 kA I (max, 8 / 20 Âµs) 20 kA

Impulse Current

I (imp, 10 / 350 Âµs) 2 kA

Short Circuit Withstand Icc

100 kA

Power Loss

17 mW

Arrester Class

II III

Number of Protected Poles

Number of Poles

Number of Conductors

Position of Neutral Terminals

Right

Transmission Standard

Optic

Version

Plug-in

Mounting Type

DIN-Rail

Product Type

Options Provided

Residential or other where accurate protection is needed.

Auxiliary Circuit Load

Minimum - Maximum -

Preventive Maintenance Feature

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

Product Net Width

35.6 mm

Product Net Height

88 mm

Product Net Depth / Length

58 mm

Product Net Weight

0.24 kg

ETIM 8

EC000941 - Surge protection device for power supply systems

ETIM 9

EC000941 - Surge protection device for power supply systems

WEEE Category

5. Small Equipment (No External Dimension More Than 50 cm)

WEEE B2C / B2B

Business To Consumer

CN8

85363090

eClass

V11.0 : 27130805

Object Classification Code

141ECC

Manufacturer ID

2CTB803972R1200