Product Model
OVR T2-T3 20-440 P QS

Selling Points
- 1High Reliability: Designed to protect against transient overvoltages, ensuring prolonged life of sensitive equipment.
- 2Compliant Standards: Meets IEC 61643-11 and EN 61643-11 standards for surge protection.
- 3Compact Design: Plug-in version with dimensions of 17.8 mm width, 58 mm depth, and 88 mm height.
- 4Efficient Protection: Nominal discharge current of 5 kA, maximum of 20 kA, and total discharge current of 80 kA.
- 5Versatile Compatibility: Suitable for TT, TN-S, and IT low voltage distribution systems with a nominal AC voltage of 400/690 V.
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) | 690 V AC |
Nominal AC Voltage of the System (Uo) | 400 / 690 V | Voltage Protection Level ( Up) | 1.4 kV (L-N) 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 |
Power Loss | 45 mW | 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 | Residential or other where accurate protection is needed. |
Auxiliary Circuit Load | Minimum - Maximum - | 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 | 17.8 mm |
Product Net Height | 88 mm | Product Net Depth / Length | 58 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 | 2CTB803871R1100 |
Specifications may be subject to change without notice