OVR T2 3N 40-320 P U
Product ID:76813
Updated: 2026/4/3

Key Features
- 1Safeguard systems with 40 kA max discharge current. 2、Ensure robust protection with 320 V continuous operating voltage. 3、Meet compliance via IEC 61643-1 and UL 1449 standards. 4、Install versatilely in sub-distribution and power supply setups. 5、Enhance reliability by protecting sensitive equipment from surges.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Standards | UL 1449 Ed3 | Nominal AC Voltage of the System (Uo) | (L-PE) - V (L-N) 277 V (N-PE) - V (L-L) - V |
| Voltage Protection Level ( Up) | (L-N) 1.1 kV | Discharge Current | Nominal (8 / 20 µs) 20 kA I (max, 8 / 20 µs) 40 kA I (total, 8 / 20 µs) 70 kA |
| Lightning Impulse Current | 20 | Short Circuit Withstand Icc | 200 kA |
| Frequency (f) | 45 ... 65 Hz | Arrester Class | II |
| Number of Protected Poles | 4 | Number of Poles | 4 |
| Position of Neutral Terminals | Right | Version | Plug-in |
| Mounting Type | DIN-Rail | Protection Type | In parallel |
| Options Provided | Residential, commercial building. | Preventive Maintenance Feature | No |
| Status Indicator | Yes | Fuse Size | 4 modular spacing |
| Ambient Air Temperature | Operation -40 ... +80 °C Storage -40 ... +80 °C | Degree of Protection | IP20 |
| Maximum Operating Altitude Permissible | Without Derating 5000 | Maximum Continuous Operating Voltage UL/CSA (MCOV) | (L-PE) 320 kA |
| Voltage Protection Rating UL/CSA (VPR) | 1.2 kV | Type of Low Voltage Distribution System UL/CSA | Wye |
| 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 | 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 |
| UNSPSC | 39121610 | eClass | V11.0 : 27130808 |
| IDEA Granular Category Code (IGCC) | 4906 >> Surge suppressers | Object Classification Code | 141DEC |
| Manufacturer ID | 2CTB802346R2400 |
Specifications may be subject to change without notice
