OVR T2-T3 20-440 C QS

Name: OVR T2-T3 20-440 C QS
Brand: ABB
SKU: OVR T2-T3 20-440 C QS

The ABB OVR T2-T3 20-440 C QS is a plug-in surge protective device designed to protect systems against transient overvoltages, including lightning strikes. It meets IEC 61643-11 and EN 61643-11 standards, ensuring reliable protection for TT, TN-C, TN-S, and IT low voltage distribution systems.

Product ModelOVR T2-T3 20-440 C QS

Material Number2CTB803876R0600

Product ID70319

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable Protection Against Lightning StrikesThe ABB OVR T2-T3 20-440 C QS is specifically designed to safeguard your systems from transient overvoltages caused by lightning strikes, ensuring continuous operation during such events.
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2. Compliance with International StandardsThis surge protective device meets the stringent standards of IEC 61643-11 and EN 61643-11, ensuring it is compatible with a wide range of low voltage distribution systems.
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3. Versatile CompatibilitySuitable for TT, TN-C, TN-S, and IT low voltage distribution systems, making it a versatile solution for various electrical installations.
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4. High Discharge Current CapacityWith a nominal discharge current of 5 kA and a maximum of 20 kA, this device can handle high surge currents effectively, providing robust protection.

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-C TN-S IT

Suitable For

To protect the systems against the transient overvoltage (lightning)

Rated Voltage (Ur)

400 V AC

Nominal AC Voltage of the System (Uo)

400 / 690 V

Voltage Protection Level ( Up)

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

5. Compact and Easy InstallationThe plug-in design makes installation quick and easy, minimizing downtime and ensuring that your systems are protected efficiently.

Maximum Continuous Operating Voltage (Uc)

(L-PE) 440 V

Temporary Overvoltage Test Value (UT)

581 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

Arrester Class

II III

Number of Protected Poles

Number of Poles

Number of Conductors

Transmission Standard

Optic

Version

Plug-in

Mounting Type

DIN-Rail

Product Type

Options Provided

Replacement Cartridge

Preventive Maintenance Feature

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

Product Net Width

17.6 mm

Product Net Height

57 mm

Product Net Depth / Length

55.6 mm

Product Net Weight

0.12 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 Business

CN8

85363090

eClass

V11.0 : 27130805

Object Classification Code

141EEC

Manufacturer ID

2CTB803876R0600