The VPU AC II US 1 277/50 is a Type 1 surge protection device designed for 277V AC systems. It features a single-pole configuration with a high short-circuit current rating (SCCR) of 200 kA. The device is intended for installation in energy systems to protect against transient overvoltages and is UL 1449 listed. It is a pluggable arrester with a visual status indicator and is designed for DIN rail mounting (TS 35).
| RoHS |
Compliant without exemption |
| Width |
18mm |
| Height |
90mm |
| Reach Svhc |
No SVHC above 0.1 wt% |
| Ul Category |
SPD TYPE 1 |
| MCOV (L/N-PE) |
350V |
| Number of Poles |
1 |
| Protection Degree |
IP20 |
| Rated Voltage (UN) |
277V |
| Operating Temperature |
-40 to 85°C |
| Discharge Current In (8/20µs) |
20kA |
| Short-Circuit Current Rating (SCCR) |
200kA |
| Max. Discharge Current Imax (8/20µs) |
50kA |