Product Model
OVR T2-T3 20-440 C QS

Selling Points
- 1High Voltage Protection: 1.4 kV voltage protection level for reliable safeguarding against transient overvoltages.
- 2High Discharge Current: Nominal discharge current of 5 kA and maximum discharge current of 20 kA for effective surge protection.
- 3Wide Compatibility: Suitable for IT, TN-C, TN-S, and TT low voltage distribution systems.
- 4Compact Design: Compact dimensions (17.6 mm width, 57 mm height, 55.6 mm depth) for easy installation.
- 5IP20 Rating: Meets IP20 degree of protection standards for indoor use, ensuring durability and safety.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Standards | IEC 61643-11 / EN 61643-11 | Type of Low Voltage Distribution System | TT TN-C TN-S IT |
Suitable For | To protect the systems against the transient overvoltage (lightning) | Rated Voltage (Ur) | 400 V AC |
Nominal AC Voltage of the System (Uo) | 400 / 690 V | Voltage Protection Level ( Up) | 1.4 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) | 581 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 |
Arrester Class | II III | Number of Protected Poles | 1 |
Number of Poles | 1 | Number of Conductors | 1 |
Transmission Standard | Optic | Version | Plug-in |
Mounting Type | DIN-Rail | Product Type | QS |
Options Provided | Replacement Cartridge | Preventive Maintenance Feature | No |
Status Indicator | Yes | Fuse Size | 1 modular spacing |
Degree of Protection | IP20 | Maximum Operating Altitude Permissible | Without Derating 5000 |
Width in Number of Modular Spacings | 1 | Product Net Width | 17.6 mm |
Product Net Height | 57 mm | Product Net Depth / Length | 55.6 mm |
Product Net Weight | 0.12 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 | 2CTB803876R0600 |
Specifications may be subject to change without notice