OVR T2-T3 20-440 P QS
Product ID:69987
Updated: 2026/4/3
Key Features
- 1Protect sensitive equipment with high reliability against transient overvoltages. 2、Ensure compliance by meeting IEC 61643-11 and EN 61643-11 standards. 3、Save panel space using a compact plug-in design measuring 17.8x58x88 mm. 4、Achieve efficient protection with 5 kA nominal and 20 kA max discharge current. 5、Install easily in TT, TN-S, and IT systems rated 400/690 V AC.
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 IT |
| Suitable For | To protect the systems against the transient overvoltage (lightning) | Rated Voltage (Ur) | 690 V AC |
| Nominal AC Voltage of the System (Uo) | 400 / 690 V | Voltage Protection Level ( Up) | 1.4 kV (L-N) 1.4 kV |
| Maximum Continuous Operating Voltage (Uc) | (L-PE) 440 V | Temporary Overvoltage Test Value (UT) | 581 V |
| Rated Service Short-Circuit Breaking Capacity (Ics) | 100 kA | Discharge Current | Nominal (8 / 20 µs) 5 kA I (max, 8 / 20 µs) 20 kA |
| Impulse Current | I (imp, 10 / 350 µs) 2 kA | Short Circuit Withstand Icc | 100 kA |
| Power Loss | 45 mW | Arrester Class | II III |
| Number of Protected Poles | 1 | Number of Poles | 1 |
| Number of Conductors | 1 | Transmission Standard | Optic |
| Version | Plug-in | Mounting Type | DIN-Rail |
| Product Type | QS | Options Provided | Residential or other where accurate protection is needed. |
| Auxiliary Circuit Load | Minimum - Maximum - | Preventive Maintenance Feature | No |
| 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 | 58 mm |
| Product Net Weight | 0.12 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) |
| WEEE B2C / B2B | Business To Business | CN8 | 85363090 |
| eClass | V11.0 : 27130805 | Object Classification Code | 141EEC |
| Manufacturer ID | 2CTB803871R1100 |
Specifications may be subject to change without notice