OVR T2-T3 20-275 C QS

Name: OVR T2-T3 20-275 C QS
Brand: ABB
SKU: OVR T2-T3 20-275 C QS

Short Product Description The ABB OVR T2-T3 20-275 C QS surge protective device is designed for DIN rail mounting, providing robust protection against transient overvoltages. It features high discharge currents and is suitable for Type TN-C, TN-S, and TT networks.

Product ModelOVR T2-T3 20-275 C QS

Material Number2CTB803876R1200

Product ID70317

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Discharge CurrentsThe OVR T2-T3 20-275 C QS surge protective device boasts a nominal discharge current of 5 kA and a maximum discharge current of 20 kA, ensuring effective protection against high transient overvoltages.
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2. DIN Rail MountingThis surge protective device is designed for easy installation on DIN rails, making it a convenient solution for various industrial and commercial applications.
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3. Type 2+3 CharacteristicsThe OVR T2-T3 20-275 C QS combines the characteristics of Type 2 and Type 3 surge protective devices, capable of discharging currents generated by indirect lightning strikes while maintaining low residual voltage.
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4. Reliable ProtectionWith a protection level at rated impulse current of 0.9 kV, this device provides reliable protection for sensitive electronic equipment against transient overvoltages.

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

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)

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

5. Mechanical IndicatorsThe surge protective device is fitted with mechanical indicators that show each arrester operation, ensuring easy monitoring and maintenance.

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) 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

141ECC

Manufacturer ID

2CTB803876R1200