Vertiv VA4N22A1 Rack Transfer Switch, 20A 120V, 1.9kW, Monitored
by Vertiv
The Vertiv VA4N22A1 is a high-reliability Rack Transfer Switch (RTS) that delivers redundant power to single-corded devices, ideal for mission-critical IT environments. Designed for seamless operation, it automatically transfers load power within 4–8 milliseconds upon primary source failure—no phase synchronization required.
This 1U horizontal rPDU supports input power monitoring, optional environmental sensors, and robust remote management via Ethernet daisy-chaining. With 20 NEMA 5-20R outlets and dual NEMA L5-20P input cords, it ensures uninterrupted performance, system uptime, and infrastructure insight through real-time monitoring.
| Specification | Details |
|---|---|
| Model Number | VA4N22A1 |
| Product Type | Rack Transfer Switch (Monitored) |
| Power Capacity | 20A, 120V, 1.9kW |
| Form Factor | 19" Horizontal Rackmount (1U) |
| Input Connections | 2 × NEMA L5-20P (Twistlock), 10ft / 3m cords |
| Output Receptacles | 20 × NEMA 5-20R |
| Monitoring Capabilities | Input power monitoring, remote sensors optional |
| Switching Response Time | <4–8ms, supports out-of-phase transfer |
| Display Interface | Local high-visibility LED & LCD touchscreen |
| Network Connectivity | Dual 10/100/1000 Ethernet, Daisy Chain up to 50 |
| Supported Protocols | SNMP v1/v2c/v3, HTTPS, RADIUS, Modbus TCP, etc. |
| Mounting Compatibility | 4-post (24"–37"), 2-post kit included |
| Chassis Finish | Heavy Steel, Black Powder Coat |
| Operating Temperature | Max 60°C (140°F) |
| Certifications | UL & c-UL 62368-1, RoHS, FCC Class A |
| Dimensions (HxWxD) | 3.39in x 17in x 18in (87mm x 432mm x 457mm) |
| Weight | 12 lbs (5.44 kg) |
| Warranty | 5 years (if registered in 120 days) |