OVR T1-T2 N 50-440s P QS
Product ID:81654
Updated: 2026/4/3

Key Features
- 1Safeguard TN-S systems against lightning and surge voltages. 2、Handle high discharge currents up to 100 kA maximum. 3、Comply with international IEC 61643-11 standards. 4、Install easily in tight spaces with a compact 17.8 mm width. 5、Ensure reliable operation from -40°C to 80°C.
Technical Specifications
Detailed engineering parameters
| 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) | 400 / 690 V |
| Voltage Protection Level ( Up) | (L-N) - kV (N-PE) 1.9 kV (L-PE) - kV | Maximum Continuous Operating Voltage (Uc) | (L-PE) - V (L-L) - V (L-N) - V (N-PE) 440 V |
| Temporary Overvoltage Test Value (UT) | 1200 V | Discharge Current | Nominal 50 kA Maximum 100 kA Total 100 kA |
| Impulse Current | I (imp, 10 / 350 µs) - kA I (total, 10 / 350 µs) 50 kA | Lightning Impulse Current | 50 |
| Short Circuit Withstand Icc | 100 A | Follow Current Extinction Capacity If (I fi) | (L-N) - kA (N-PE) 0.1 kA |
| 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 | No | 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 | 141BEC |
| Manufacturer ID | 2CTB815710R5300 |
Specifications may be subject to change without notice
