Vertiv PowerIT VA4N21A1 Rack Transfer Switch, 20A, 208V, 3.3kW, Monitored
by Vertiv
The Vertiv PowerIT VA4N21A1 Rack Transfer Switch ensures uninterrupted power delivery to single-corded IT equipment by automatically transferring load between dual input power sources in under 8 milliseconds. Designed for high-availability environments, this 20A, 208V rPDU features 12 combination C13/C19 outlets, dual NEMA L6-20P input plugs, real-time local and remote power monitoring, and optional environmental sensors for optimized uptime. Built with a horizontal 19” rackmount form factor, it supports advanced protocols, daisy-chaining of up to 50 devices, and includes a 5-year warranty when registered.
| Specification | Details |
|---|---|
| Model Number | VA4N21A1 |
| Type | Rack Transfer Switch (Monitored Unit Level) |
| Input Voltage | 200–240V |
| Input Current | 20A |
| Load Capacity | 3.3kW at 208V |
| Transfer Time | <4–8ms (Automatic Switching) |
| Inputs | 2 (Dual NEMA L6-20P) |
| Outputs | 12 Combination C13/C19 |
| Mounting | 19" Horizontal, Adjustable 4-Post & 2-Post |
| Power Cable Length | 10ft / 3m |
| Monitoring | Input Power, Local Display, Remote via IP |
| Network Protocols | SNMP, HTTP/S, SSH, Syslog, Modbus TCP, etc. |
| Remote Sensors Support | 1 port (supports up to 16 sensors) |
| Daisy-Chaining | Up to 50 units per IP |
| Chassis Color / Finish | Black Powder Coat |
| Dimensions (HxWxD) | 1.72in x 17in x 18in (44mm x 432mm x 457mm) |
| Weight (Shipped) | 19 lbs (8.62 kg) |
| Operating Temperature | Max 60°C (140°F) |
| Certifications | UL & c-UL 62368-1, FCC Part 15 Class A, RoHS |
| Warranty | 5 years (with registration), otherwise 3 years |