OVR T1-T2 12.5-275s P QS
Product ID:77177
Updated: 2026/4/3

Key Features
- 1Handle high impulse currents up to 80kA (8/20µs) for robust protection. 2、Install easily on standard DIN rails for space-saving setups. 3、Operate reliably across a wide temperature range from -40°C to 80°C. 4、Monitor status clearly with built-in mechanical operation indicators. 5、Ensure durability with an IP20 protection rating against particles.
Technical Specifications
Detailed engineering parameters
| 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) | Nominal AC Voltage of the System (Uo) | 230 / 400 V |
| Voltage Protection Level ( Up) | (L-N) 1.4 kV (N-PE) - kV (L-PE) 1.4 kV | Maximum Continuous Operating Voltage (Uc) | (L-PE) 275 V (L-L) 275 V (L-N) 275 V (N-PE) - V |
| Temporary Overvoltage Test Value (UT) | 337 V | Discharge Current | Nominal 20 kA Maximum 80 kA Total 80 kA |
| Impulse Current | I (imp, 10 / 350 µs) 12.5 kA | Lightning Impulse Current | 12,5 |
| Short Circuit Withstand Icc | 100 kA | Follow Current Extinction Capacity If (I fi) | (L-N) - kA (N-PE) - 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 | 1 |
| Number of Poles | 1 | Version | Plug-in |
| Mounting Type | DIN-Rail | Product Type | QS |
| Options Provided | Industry, commercial building | Preventive Maintenance Feature | Yes |
| 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 | 1 | Product Net Width | 17.8 mm |
| Product Net Height | 88 mm | Product Net Depth / Length | 76.7 mm |
| Product Net Weight | 0.15 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) |
| WEEE B2C / B2B | Business To Business | CN8 | 85363090 |
| eClass | V11.0 : 27130808 | Object Classification Code | 141BCC |
| Manufacturer ID | 2CTB815710R1200 |
Specifications may be subject to change without notice
