Product Model
OVR T1-T2 12.5-440s P QS

Key Features
- 1Robust Surge Protection: Protects against transient overvoltages with a rated impulse current of 12.5 kA.
- 2DIN Rail Mounting: Conveniently mounts on DIN rail for easy installation in industrial settings.
- 3High IP Rating: Ensures reliable operation with an IP20 rating, providing protection against solid particles.
- 4Mechanical Indicators: Fitted with mechanical indicators for each arrester operation, ensuring easy monitoring.
- 5Wide Voltage Range: Compatible with AC voltages up to 440 V and DC voltages up to 1.9 kV.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Standards | IEC 61643-11 / EN 61643-11 | Type of Low Voltage Distribution System | TT TN-C TN-S IT |
| Suitable For | To protect the systems against the transient overvoltage (lightning) | Nominal AC Voltage of the System (Uo) | 400 / 690 V |
| Voltage Protection Level ( Up) | (L-N) 1.9 kV (N-PE) - kV (L-PE) 1.9 kV | Maximum Continuous Operating Voltage (Uc) | (L-PE) 440 V (L-L) 440 V (L-N) 440 V (N-PE) - V |
| Temporary Overvoltage Test Value (UT) | 581 V | Discharge Current | Nominal 20 kA Maximum 80 kA Total 80 kA |
| Impulse Current | I (imp, 10 / 350 µs) 12.5 kA I (total, 10 / 350 µs) - 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 | 70 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 | 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 | 88 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) |
| WEEE B2C / B2B | Business To Business | CN8 | 85363090 |
| eClass | V11.0 : 27130808 | Object Classification Code | 141BEC |
| Manufacturer ID | 2CTB815710R4100 |
Specifications may be subject to change without notice
