Vertiv VA4N21A0 PowerIT Rack Transfer Switch, 20A, 120V, 10x NEMA 5-20R
by Vertiv
The Vertiv VA4N21A0 Rack Transfer Switch (RTS) ensures continuous power for single-corded devices by automatically switching between power sources within 4-8 milliseconds. Designed with advanced power monitoring and network connectivity features, this horizontal rackmount unit delivers high availability, energy visibility, and simplified infrastructure management. Ideal for data centers and edge environments, it supports environmental monitoring and daisy-chaining of up to 50 devices over a single IP address.
| Feature | Specification |
|---|---|
| Part Number | VA4N21A0 |
| Product Type | Rack Transfer Switch (RTS) |
| Monitoring | Monitored Unit Level (kWh, W, VA, PF, V, A) |
| Power Switching | Automatic, <4–8ms transfer time |
| Voltage | 100–120V |
| Current Rating | 20A |
| Load Capacity | 1.9kW |
| Frequency | 50/60Hz |
| Input Power Connections | (2) NEMA 5-20P |
| Outlet Configuration | (10) NEMA 5-20R |
| Mounting | 19" Horizontal Rackmount (Adjustable 4-post 24"–37") |
| Display | Local high visibility LED overlay + touchscreen |
| Connectivity | Dual 10/100/1000 Mbps Ethernet, RS232 (RJ45) |
| Protocols | SNMP, HTTPS, SSH, Modbus TCP, JSON API, etc. |
| Daisy-Chaining | Up to 50 devices on one IP with RSTP support |
| Environmental Monitoring | Via RJ sensors (up to 16 sensors) |
| Cable Length | 10 ft / 3 m |
| Chassis Color | Black Powder Coat |
| Dimensions (HxWxD) | 1.72 x 17 x 18 in / 44 x 432 x 457 mm |
| Weight | 17 lbs / 7.71 kg |
| Certifications | UL & c-UL 62368-1, RoHS, FCC Part 15 Class A |
| Warranty | 5-year (with registration), 3-year standard |