OVR T2-T3 3N 20-275 P QS
Product ID:69717
Updated: 2026/4/3
Key Features
- 1Protect against transient overvoltages with 20kA max discharge. 2、Ensure compliance with IEC 61643-11 and EN 61643-11 standards. 3、Safeguard TT and TN-S low voltage distribution systems reliably. 4、Deliver continuous operation up to 275V for stable performance. 5、Reduce maintenance costs and prevent costly equipment downtime.
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) | 400 V AC |
| Nominal AC Voltage of the System (Uo) | 230 / 400 V | Voltage Protection Level ( Up) | 1.4 kV (L-N) 1.8 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) 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 | 29 mW | Arrester Class | II III |
| Number of Protected Poles | 4 | 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 or other where accurate protection is needed. | Auxiliary Circuit Load | Minimum - Maximum - |
| 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 | 88 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 | 141ECC | Manufacturer ID | 2CTB803973R1200 |
Specifications may be subject to change without notice