OVR T2 3N 40-275 P TS QS
Product ID:81459
Updated: 2026/4/3

Key Features
- 1Safeguard systems against transient overvoltages including lightning strikes. 2、Meet international safety standards with IEC 61643-11 compliance. 3、Install easily in compact spaces with dimensions of 71.2x88x58 mm. 4、Enhance protection using auxiliary contacts and reserve varistor options. 5、Ensure reliable performance with 20kA nominal and 40kA max discharge current.
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) | Rated Voltage (Ur) | 230 V AC |
| Nominal AC Voltage of the System (Uo) | 230 / 400 V | Voltage Protection Level ( Up) | 1.5 kV (L-N) 1.25 kV (N-PE) 1.4 kV |
| Maximum Continuous Operating Voltage (Uc) | (L-PE) 275 V | Temporary Overvoltage Test Value (UT) | (L-N) 337 V (N-PE) 1200 V |
| Rated Service Short-Circuit Breaking Capacity (Ics) | 100 kA | Discharge Current | Nominal (8 / 20 µs) 20 kA I (max, 8 / 20 µs) 40 kA |
| Impulse Current | I (imp, 10 / 350 µs) 2 kA | Short Circuit Withstand Icc | 100 kA |
| Power Loss | 29 mW | Arrester Class | II |
| Number of Protected Poles | 4 | Number of Auxiliary Contacts NC | 1 |
| Number of Auxiliary Contacts NO | 1 | Number of Poles | 4 |
| Number of Conductors | 4 | Position of Neutral Terminals | Right |
| Transmission Standard | Optic | Version | Plug-in |
| Mounting Type | DIN-Rail | Product Type | QS |
| Options Provided | Residential, commercial building. | Auxiliary Circuit Load | Minimum 12Vdc - 10mA Maximum 250Vac - 1A |
| Preventive Maintenance Feature | No | Status Indicator | Yes |
| Fuse Size | 4 modular spacing | Degree of Protection | IP20 |
| Maximum Operating Altitude Permissible | Without Derating 5000 | Width in Number of Modular Spacings | 4 |
| Product Net Width | 71.2 mm | Product Net Height | 95 mm |
| Product Net Depth / Length | 58 mm | Product Net Weight | 0.48 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 | 141DCC | Manufacturer ID | 2CTB803973R0500 |
Specifications may be subject to change without notice
