OVR T2-T3 3N 20-440 P QS
Product ID:80657
Updated: 2026/7/15
Key Features
- 1Ensure prolonged equipment life by disconnecting before MOVs short-circuit.
- 2Offer voltage protection of 1.5 kV and 440 V AC continuous.
- 3Simplify installation with 35 mm DIN rail compatibility.
- 4Handle up to 80 kA max discharge surge current reliably.
- 5Provide safe operation with zero leakage current for compliance.
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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
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