OVR T1-T2 4L 12.5-275s P QS
Product ID:81687
Updated: 2026/7/14
Key Features
- 1Combine Type 1 and Type 2 protection for comprehensive lightning defense.
- 2Handle high surges with 12.5kA (10/350μs) and 80kA (8/20μs) ratings.
- 3Simplify installation via standard DIN rail mounting.
- 4Monitor device status easily with clear mechanical indicators.
- 5Ensure reliable operation from -40°C to 80°C with IP20 protection.
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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 | TN-S |
| Suitable For | To protect the systems against the transient overvoltage (lightning) | Nominal AC Voltage of the System (Uo) | 230 / 400 V |
| Voltage Protection Level ( Up) | (L-N) 2.8 kV (N-PE) 1.4 kV (L-PE) 1.4 kV | Maximum Continuous Operating Voltage (Uc) | (L-PE) 275 V (L-L) 440 V (L-N) 440 V (N-PE) 275 V |
| Temporary Overvoltage Test Value (UT) | 337 V | Discharge Current | Nominal 20 kA Maximum 80 kA Total 320 kA |
| Impulse Current | I (imp, 10 / 350 µs) 12.5 kA I (total, 10 / 350 µs) 50 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 | 63 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 | 4 |
| Number of Poles | 4 | Position of Neutral Terminals | Right |
| Version | Plug-in | Mounting Type | DIN-Rail |
| Product Type | QS | Options Provided | Industry, commercial building |
| Preventive Maintenance Feature | Yes | 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 | 76.7 mm | Product Net Weight | 0.6 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 | 141BCC | Manufacturer ID | 2CTB815710R2300 |
Specifications may be subject to change without notice
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