OVR T2-T3 3L 20-275 P TS QS
Product ID:81285
Updated: 2026/4/3

Key Features
- 1Protect against surges with 20 kA max discharge current. 2、Achieve up to 0.85 kV protection level at 20 kA. 3、Ensure compatibility with 230/400V TN-C networks. 4、Monitor status easily via mechanical operation indicators. 5、Operate reliably from -40°C to +80°C with IP20 rating.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Standards | IEC 61643-11 / EN 61643-11 | Type of Low Voltage Distribution System | TN-C |
| Suitable For | To protect the systems against the transient overvoltage (lightning) | Rated Voltage (Ur) | 400 V AC |
| Nominal AC Voltage of the System (Uo) | 230 / 400 V | Voltage Protection Level ( Up) | 0.9 kV (L-N) 0.9 kV |
| Maximum Continuous Operating Voltage (Uc) | (L-PE) 275 V | Temporary Overvoltage Test Value (UT) | 337 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 | 17 mW | Arrester Class | II III |
| Number of Protected Poles | 3 | Number of Auxiliary Contacts NC | 1 |
| Number of Auxiliary Contacts NO | 1 | Number of Poles | 3 |
| Number of Conductors | 3 | 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 12Vdc - 10mA Maximum 250Vac - 1A | Preventive Maintenance Feature | No |
| Status Indicator | Yes | Fuse Size | 3 modular spacing |
| Degree of Protection | IP20 | Maximum Operating Altitude Permissible | Without Derating 5000 |
| Width in Number of Modular Spacings | 3 | Product Net Width | 53.4 mm |
| Product Net Height | 95 mm | Product Net Depth / Length | 58 mm |
| Product Net Weight | 0.36 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 Consumer | CN8 | 85363090 |
| eClass | V11.0 : 27130805 | Object Classification Code | 141ECC |
| Manufacturer ID | 2CTB803873R3500 |
Specifications may be subject to change without notice
