OVR T2 4L 40-275 P QS

Name: OVR T2 4L 40-275 P QS
Brand: ABB
SKU: OVR T2 4L 40-275 P QS

The ABB OVR T2 4L 40-275 P QS surge arrester is designed to protect low-voltage distribution systems against transient overvoltages. With a 40kA impulse current rating, it provides robust protection in a compact DIN rail mounting format, suitable for TN-S networks.

Product ModelOVR T2 4L 40-275 P QS

Material Number2CTB803873R5600

Product ID70347

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Robust Protection Against Transient OvervoltagesThe ABB OVR T2 4L 40-275 P QS surge arrester is engineered to safeguard your low-voltage distribution system from transient overvoltages, ensuring the reliability and integrity of your electrical network.
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2. High Impulse Current RatingWith a rated impulse current of 40kA (8/20 μs), this surge arrester provides superior protection against high-energy transient events, such as lightning strikes.
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3. Compact DIN Rail MountingDesigned for easy installation, the OVR T2 4L 40-275 P QS can be mounted directly onto a DIN rail, making it a convenient solution for space-constrained applications.
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4. Wide Operating Temperature RangeOperating within the temperature range of -40°C to 80°C, this surge arrester ensures reliable performance in various environmental conditions, from cold to hot climates.

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)

Rated Voltage (Ur)

230 V AC

Nominal AC Voltage of the System (Uo)

230 / 400 V

Voltage Protection Level ( Up)

1.1 kV (L-N) 1.1 kV (N-PE) 1.25 kV

5. Mechanical Indicators for Easy MaintenanceFitted with mechanical indicators, the OVR T2 4L 40-275 P QS surge arrester provides clear visual signals for each arrester operation, facilitating easy maintenance and ensuring prompt action in case of any issues.

6. IP20 Rating for Enhanced ProtectionThe IP20 rating ensures that the surge arrester is protected against solid objects larger than 12.5 mm in diameter, providing an additional layer of protection against mechanical damage.

7. Integrated Auxiliary ContactsEquipped with integrated auxiliary contacts (NO + NC), this surge arrester allows for seamless integration with other electrical devices, enhancing the overall functionality of your electrical system.

8. Compliance with International StandardsThe OVR T2 4L 40-275 P QS surge arrester meets the standards of IEC 61643-11 and EN 61643-11, ensuring compliance with international regulations for surge protection devices.

9. Suitable for TN-S NetworksDesigned for TN-S networks, this surge arrester is specifically tailored to protect systems against transient overvoltages, making it an ideal choice for a wide range of industrial and commercial applications.

Maximum Continuous Operating Voltage (Uc)

(L-PE) 275 V

Temporary Overvoltage Test Value (UT)

337 V

Rated Service Short-Circuit Breaking Capacity (Ics)

100 kA

Discharge Current

Nominal (8 / 20 Âµs) 20 kA I (max, 8 / 20 Âµs) 40 kA

Impulse Current

I (imp, 10 / 350 Âµs) 2 kA

Short Circuit Withstand Icc

100 kA

Power Loss

29 mW

Arrester Class

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, commercial building.

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

141DCC

Manufacturer ID

2CTB803873R5600