Protect your electrical systems with the ABB OVR T1-T2 1N 12.5-275s P TS QS Surge Protective Device, designed to safeguard against transient overvoltages and lightning strikes.
Product ModelOVR T1-T2 1N 12.5-275s P TS QS
Material Number2CTB815710R0100
Product ID81616
Stock on Request
Last updated: 8/29/2026
Key Features
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1. High Impulse Current Discharge CapacityThe OVR T1-T2 1N 12.5-275s P TS QS surge protective device boasts a nominal discharge current of 20 kA and a maximum discharge current of 80 kA, ensuring robust protection against high lightning currents.
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2. Durable and ReliableConstructed with high-quality materials, this device is designed to withstand harsh environmental conditions, including temperatures ranging from -40°C to 80°C, ensuring reliable operation in various settings.
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3. Versatile Mounting OptionsThe device is easily mountable on DIN rail, making it a versatile solution for various electrical distribution systems. Its compact design (35.6 mm width) fits seamlessly into modern electrical switchboards.
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4. Advanced Safety FeaturesEquipped with a status indicator and preventive maintenance feature, the OVR T1-T2 1N 12.5-275s P TS QS surge protective device ensures continuous monitoring and maintenance, enhancing overall safety and reducing downtime.
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)
Nominal AC Voltage of the System (Uo)
230 / 400 V
Voltage Protection Level ( Up)
(L-N) 1.4 kV (N-PE) 1.4 kV (L-PE) 1.5 kV
Maximum Continuous Operating Voltage (Uc)
(L-PE) 275 V (L-L) - V (L-N) 275 V (N-PE) 255 V
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5. Compliance with International StandardsThe device meets international standards such as IEC 61643-11 and EN 61643-11, ensuring compliance with global safety regulations and standards for surge protection.
Temporary Overvoltage Test Value (UT)
(L-N) 337 V (N-PE) 1200 V
Discharge Current
Nominal 20 kA Maximum 80 kA Total 100 kA
Impulse Current
I (imp, 10 / 350 µs) 12.5 kA I (total, 10 / 350 µs) 25 kA
Lightning Impulse Current
12,5
Short Circuit Withstand Icc
100 kA
Follow Current Extinction Capacity If (I fi)
(L-N) - kA (N-PE) 0.1 kA
Power Loss
37 mW
Short-Circuit Protective Devices
Curve B Breakers ⤠125 A Curve C Breakers ⤠125 A gL Type Fuses ⤠160 A gG Type Fuses ⤠160 A
Arrester Class
I II
Number of Protected Poles
2
Number of Auxiliary Contacts NC
1
Number of Auxiliary Contacts NO
1
Number of Poles
2
Position of Neutral Terminals
Right
Version
Plug-in
Mounting Type
DIN-Rail
Product Type
QS
Options Provided
Industry, commercial building
Auxiliary Circuit Load
Minimum 12Vdc - 10mA Maximum 250Vac - 1A
Preventive Maintenance Feature
Yes
Status Indicator
Yes
Fuse Size
2 modular spacing
Degree of Protection
IP20
Maximum Operating Altitude Permissible
Without Derating 5000
Width in Number of Modular Spacings
2
Product Net Width
35.6 mm
Product Net Height
95.8 mm
Product Net Depth / Length
76.7 mm
Product Net Weight
0.3 kg
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)
