OVR T1-T2 N 100-255 TT C

Name: OVR T1-T2 N 100-255 TT C
Brand: ABB
SKU: OVR T1-T2 N 100-255 TT C

Product Description: ABB OVR T1-T2 N 100-255 TT C surge protector is designed to safeguard low-voltage distribution systems against transient overvoltages. Suitable for TT and TN-S systems, it provides reliable protection against lightning strikes and ensures continuous operation.

Product ModelOVR T1-T2 N 100-255 TT C

Material Number2CTB812022R2300

Product ID70351

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Robust Protection Against Lightning StrikesThe ABB OVR T1-T2 N 100-255 TT C surge protector is engineered to withstand transient overvoltages, ensuring your electrical systems remain safe from lightning strikes.
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2. Wide Voltage CompatibilityCompatible with TT and TN-S low-voltage distribution systems, this surge protector can be easily integrated into various electrical setups.
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3. High Discharge Current CapacityWith a nominal discharge current of 25 kA and a maximum of 60 kA, this surge protector effectively handles high-energy discharges, providing comprehensive protection.
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4. Compact and Easy InstallationDesigned for plug-in mounting on DIN-Rail, the ABB OVR T1-T2 N 100-255 TT C surge protector is compact and easy to install, making it a convenient solution for your electrical needs.

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 UL 1449 5thEd

Type of Low Voltage Distribution System

TT TN-S

Nominal AC Voltage of the System (Uo)

240 â¦ 400 V

Maximum Continuous Operating Voltage (Uc)

(L-PE) - V (L-N) - V (N-PE) 255 V

Temporary Overvoltage Test Value (UT)

(N-PE) 1200/200ms V

Rated Service Short-Circuit Breaking Capacity (Ics)

100 kA

5. Compliance with International StandardsMeets the standards of IEC 61643-1 and EN 61643-11, ensuring that the surge protector adheres to international safety and performance standards.

Discharge Current

Nominal (8 / 20 Âµs) 25 kA I (max, 8 / 20 Âµs) 60 kA I (total, 10 / 350 Âµs) 100 kA

Impulse Current

I (imp, 10 / 350 Âµs) - kA I (total, 10 / 350 Âµs) 100 kA

Short Circuit Withstand Icc

100 kA

Follow Current Extinction Capacity If (I fi)

(N-PE) 50 kA

Frequency (f)

45â¦65 Hz

Short-Circuit Protective Devices

gG Type Fuses 315 A

Arrester Class

I II

Number of Protected Poles

Number of Poles

Version

Plug-in

Mounting Type

DIN-Rail

Number of Batteries

Ambient Air Temperature

Operation -40 ... +70 Â°C Storage -40 ... +80 Â°C

Maximum Operating Altitude Permissible

Without Derating 2000 m

Maximum Continuous Operating Voltage UL/CSA (MCOV)

(L-PE) - V (L-L) - V (L-N) - V (N-PE) 255 V

Type of Low Voltage Distribution System UL/CSA

Single Phase

Width in Number of Modular Spacings

Product Net Width

36 mm

Product Net Height

45 mm

Product Net Depth / Length

61 mm

Product Net Weight

0.24 kg

Dimension Diagram

9AKK108467A9591

ETIM 8

EC001457 - Combined arrester for power supply systems

ETIM 9

EC001457 - Combined arrester for power supply systems

WEEE Category

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

WEEE B2C / B2B

Business To Consumer

CN8

85363090

UNSPSC

39-12-16-06

Manufacturer ID

2CTB812022R2300