ABB OVR T2 3N 40-275 P TS QS surge protective device protects low-voltage systems from surge voltages, compliant with IEC 61643-11 and EN 61643-11 standards.
Product ModelOVR T2 3N 40-275 P TS QS
Material Number2CTB803973R0500
Product ID81903
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Compliance with International StandardsThe ABB OVR T2 3N 40-275 P TS QS surge protective device is compliant with both IEC 61643-11 and EN 61643-11 standards, ensuring it meets the highest international safety and performance requirements.
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2. Effective Surge ProtectionDesigned to protect low-voltage consumer systems against surge voltages, this device ensures your electrical equipment is safeguarded from transient overvoltages caused by lightning strikes.
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3. Versatile Mounting OptionsThe device is compatible with the System pro M compact series and can be mounted on DIN rail (top hat rail) 35 mm, providing flexibility in installation.
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4. Enhanced Safety FeaturesOptionally equipped with an auxiliary contact, this surge protective device offers additional safety features, ensuring continuous protection even when the main arrester is nearing the end of its service life.
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)
230 V AC
Nominal AC Voltage of the System (Uo)
230 / 400 V
Voltage Protection Level ( Up)
1.5 kV (L-N) 1.25 kV (N-PE) 1.4 kV
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5. High Performance SpecificationsWith a nominal discharge current of 20 kA and a maximum discharge current of 40 kA, this device provides robust protection against short circuits and transient overvoltages. It also features a short circuit withstand of 100 kA and a power loss of 29 mW, ensuring efficient operation.
Maximum Continuous Operating Voltage (Uc)
(L-PE) 275 V
Temporary Overvoltage Test Value (UT)
(L-N) 337 V (N-PE) 1200 V
Rated Service Short-Circuit Breaking Capacity (Ics)
100 kA
Discharge Current
Nominal (8 / 20 µs) 20 kA I (max, 8 / 20 µs) 40 kA
Impulse Current
I (imp, 10 / 350 µs) 2 kA
Short Circuit Withstand Icc
100 kA
Power Loss
29 mW
Arrester Class
II
Number of Protected Poles
4
Number of Auxiliary Contacts NC
1
Number of Auxiliary Contacts NO
1
Number of Poles
4
Number of Conductors
4
Position of Neutral Terminals
Right
Transmission Standard
Optic
Version
Plug-in
Mounting Type
DIN-Rail
Product Type
QS
Options Provided
Residential, commercial building.
Auxiliary Circuit Load
Minimum 12Vdc - 10mA Maximum 250Vac - 1A
Preventive Maintenance Feature
No
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
4
Product Net Width
71.2 mm
Product Net Height
95 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)
