Description
Download product brochurehttps://www.erico.com/part.asp?part=TDX400S277/480
FEATURES
- Transient Discriminating (TD) Technology provides increased service life
- Modular design allows easy replacement of surge modules
- Built-in features include TD Technology, thermal protection, short circuit current cartridge fusing and a surge counter
- Status indication flag per mode, voltage presence LEDs, audible alarm and voltage-free contacts providing remote status monitoring
- 400kA 8/20μs maximum surge rating provides protection suitable for service entrance, main-distribution panels and highly exposed applications
SPECIFICATIONS
| Part Number | TDX400S277/480 |
| Nominal System Voltage (Un) | 277/480 V |
| Distribution System | 3Ph 4W+G |
| Max Continuous Operating Voltage (Uc) | 320/550 VAC |
| Stand-off Voltage | 480/831 VAC |
| Frequency | 50 – 60 Hz |
| Short Circuit Current Rating (SCCR) | 200 kA |
| Nominal Discharge Current (In), IEC | 40 kA 8/20 μs |
| Nominal Discharge Current (In), UL | 20 kA 8/20 μs |
| Max Discharge Current (Imax), Per Phase | 400 kA 8/20 μs |
| Impulse Current (Iimp), Per Mode | 25 kA 10/350 μs |
| Voltage Protection Rating (VPR), L-N | 1,200 V @ 3 kA |
| Protection Modes | L-N L-PE N-PE |
| Status Indication | LED Mechanical flag Audible alarm |
| Surge Counter | Yes |
| Technology | TD technology with thermal disconnect Over-current replaceable cartridge fusing |
| Remote Contacts | Yes |
| Lead Length | 762 mm |
| Lead Size | 5.26 mm² |
| Ground Lead Length | 914 mm |
| Temperature | -40 to 80 °C |
| Enclosure Material | Metal |
| Enclosure Rating | IP 20 NEMA®-1 |
| Mounting | 3/4” straight nipple |
| Depth (D) | 83 mm |
| Height (H) | 260 mm |
| Width (W) | 257 mm |
| Unit Weight | 6.35 kg |
| Certification Details | UL® 1449 Edition 4 Type 1/2, 20 kA Mode |
| Complies With | ANSI®/IEEE® C62.41.2-2002 Scenario II, Exposure 3, 100 kA 8/20 μs, 10 kA 10/350 μs IEC® 61643-1 Class I, Class II |
| Replacement Module | TDS150M277 |
| Certifications | CE C-Tick UL |
| Standard Packaging Quantity | 1 pc |
| UPC | 78285666736 |
Reviews
There are no reviews yet.