OVR T2 3L 40-320 P U
Product ID:76842
Updated: 2026/4/3

Key Features
- 1Protect against transient overvoltages and lightning strikes. 2、Handle high discharge currents up to 40 kA. 3、Ensure compatibility with 3-phase 277 Vac systems. 4、Meet IEC 61443-1 Ed2 and UL 1449 Ed3 safety standards. 5、Safeguard sensitive equipment in sub-distribution boards.
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) - V (N-PE) - V (L-L) 277 V |
| Voltage Protection Level ( Up) | 1 kV | Discharge Current | Nominal (8 / 20 µs) 20 kA I (max, 8 / 20 µs) 40 kA I (total, 8 / 20 µs) 120 kA |
| Lightning Impulse Current | 20 | Short Circuit Withstand Icc | 200 kA |
| Frequency (f) | 45 ... 65 Hz | Arrester Class | II |
| Number of Protected Poles | 3 | Number of Poles | 3 |
| 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 | 3 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) 350 kA | Voltage Protection Rating UL/CSA (VPR) | 1 kV |
| Type of Low Voltage Distribution System UL/CSA | Wye | Width in Number of Modular Spacings | 3 |
| Product Net Width | 53.4 mm | Product Net Height | 88 mm |
| Product Net Depth / Length | 58 mm | Product Net Weight | 0.36 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 | 2CTB802345R2400 |
Specifications may be subject to change without notice
