OVR T2-T3 3N 20-440 P QS

Name: OVR T2-T3 3N 20-440 P QS
Brand: ABB
SKU: OVR T2-T3 3N 20-440 P QS

The ABB OVR T2-T3 3N 20-440 P QS is a surge protective device designed to safeguard power systems against transient overvoltages and lightning strikes. It offers high discharge current capacity and meets IEC 61643-11 standards for reliable protection.

Product ModelOVR T2-T3 3N 20-440 P QS

Material Number2CTB803973R1300

Product ID81102

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Discharge Current CapacityThe OVR T2-T3 3N 20-440 P QS boasts a nominal discharge current of 5 kA and a maximum discharge current of 20 kA, ensuring robust protection against transient overvoltages.
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2. Compliance with IEC 61643-11 StandardsThis product is designed to meet the stringent standards of IEC 61643-11, ensuring it is a reliable and effective solution for surge protection.
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3. Impulse Current DischargeWith an impulse current discharge capacity of 2 kA (10/350 μs), it effectively handles high surge currents, making it suitable for various electrical installations.
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4. Versatile Protection LevelsThe device offers voltage protection levels of up to 1.4 kV (L-N) and 1.4 kV (N-PE), providing comprehensive protection for your electrical systems.

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)

690 V AC

Nominal AC Voltage of the System (Uo)

400 / 690 V

Voltage Protection Level ( Up)

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

5. QuickSafe TechnologyEquipped with ABB's QuickSafe technology, this surge protective device features a patented internal disconnection system that ensures self-protection up to higher current values, prolonging the lifespan of sensitive equipment.

Maximum Continuous Operating Voltage (Uc)

(L-PE) 440 V

Temporary Overvoltage Test Value (UT)

(L-N) 581 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

156 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

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

88 mm

Product Net Depth / Length

58 mm

Product Net Weight

0.48 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

2CTB803973R1300