OVR T1-T2 12.5-440s P TS QS
Product ID:81397
Updated: 2026/4/3
Key Features
- 1Provide high impulse current protection rated at 12.5 kA. 2、Ensure robust voltage protection up to 1.3 kV. 3、Install easily with standard DIN rail mounting. 4、Monitor operations via clear mechanical indicators. 5、Enhance safety with integrated auxiliary contacts.
Technical Specifications
Detailed engineering parameters
| 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) | Nominal AC Voltage of the System (Uo) | 400 / 690 V |
| Voltage Protection Level ( Up) | (L-N) 1.9 kV (N-PE) - kV (L-PE) 1.9 kV | Maximum Continuous Operating Voltage (Uc) | (L-PE) 440 V (L-L) 440 V (L-N) 440 V (N-PE) - V |
| Temporary Overvoltage Test Value (UT) | 581 V | Discharge Current | Nominal 20 kA Maximum 80 kA Total 80 kA |
| Impulse Current | I (imp, 10 / 350 µs) 12.5 kA I (total, 10 / 350 µs) - kA | Lightning Impulse Current | 12,5 |
| Short Circuit Withstand Icc | 100 kA | Follow Current Extinction Capacity If (I fi) | (L-N) - kA (N-PE) - kA |
| Power Loss | 70 mW | Short-Circuit Protective Devices | Curve B Breakers ⤠125 A Curve C Breakers ⤠125 A gL Type Fuses ⤠160 A gG Type Fuses ⤠160 A |
| Arrester Class | I II | Number of Protected Poles | 1 |
| Number of Auxiliary Contacts NC | 1 | Number of Auxiliary Contacts NO | 1 |
| Number of Poles | 1 | Version | Plug-in |
| Mounting Type | DIN-Rail | Product Type | QS |
| Options Provided | Industry, commercial building | Auxiliary Circuit Load | Minimum 12Vdc - 10mA Maximum 250Vac - 1A |
| Preventive Maintenance Feature | Yes | Status Indicator | Yes |
| Fuse Size | 2 modular spacing | Degree of Protection | IP20 |
| Maximum Operating Altitude Permissible | Without Derating 5000 | Width in Number of Modular Spacings | 2 |
| Product Net Width | 35.6 mm | Product Net Height | 95.8 mm |
| Product Net Depth / Length | 76.7 mm | Product Net Weight | 0.3 kg |
| ETIM 8 | EC001457 - Combined arrester for power supply systems | ETIM 9 | EC001457 - Combined arrester 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 : 27130808 |
| Object Classification Code | 141BEC | Manufacturer ID | 2CTB815710R2900 |
Specifications may be subject to change without notice