OVR T2-T3 3N 20-440 P QS
Product ID:80657
Updated: 2026/4/3

Key Features
- 1Ensure prolonged equipment life by disconnecting before MOVs short-circuit. 2、Offer voltage protection of 1.5 kV and 440 V AC continuous. 3、Simplify installation with 35 mm DIN rail compatibility. 4、Handle up to 80 kA max discharge surge current reliably. 5、Provide safe operation with zero leakage current for compliance.
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) | 690 V AC |
| Nominal AC Voltage of the System (Uo) | 400 / 690 V | Voltage Protection Level ( Up) | 1.5 kV (L-N) 1.4 kV (N-PE) 1.4 kV |
| Maximum Continuous Operating Voltage (Uc) | (L-PE) 440 V | Temporary Overvoltage Test Value (UT) | (L-N) 581 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 | 156 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 Business |
| CN8 | 85363090 | eClass | V11.0 : 27130805 |
| Object Classification Code | 141EEC | Manufacturer ID | 2CTB803973R1300 |
Specifications may be subject to change without notice
