Description
Ensure reliable power delivery to single-corded IT devices with the Vertiv VA7U21A0 Rack Transfer Switch. This intelligent rPDU offers auto power switching in under 8ms, outlet-level control, and real-time power monitoring. With dual C20 inlets and 6 combination C13/C19 outlets, it supports loads up to 3.6kW across global voltage ranges. The unit also features environmental sensor support, daisy chaining for up to 50 units, and dual Ethernet ports—making it ideal for high-availability rack environments.
| Specification | Details |
|---|---|
| Model Number | VA7U21A0 |
| Product Type | Rack Transfer Switch, Switched, Metered-by-Outlet rPDU |
| Input Power | Dual IEC C20, 100–240V, 16A or 20A |
| Output Receptacles | 6x Combination C13/C19 |
| Power Capacity | 1.9kW @120V, 3.3kW @208V, 3.6kW @230V |
| Form Factor | 19" Horizontal (1U), Adjustable 4-Post or 2-Post Mounting |
| Monitoring | Input & Outlet Level (kWh, W, VA, PF, V, A), ANSI C12.1 & IEC 62053-21 |
| Switching Functionality | Automatic Transfer < 8ms, Individual Outlet Switching |
| Connectivity | Dual Gigabit Ethernet, RS232 via RJ45, USB |
| Protocols Supported | DHCP, HTTP/HTTPS, SNMP v1/v2c/v3, SSH, RADIUS, Modbus TCP, etc. |
| Environmental Monitoring | Optional sensors via RJ connection jack (supports up to 16) |
| Indicators | Front/Rear LED overlays, Auto-oriented LCD touchscreen |
| Finish | Black Powder Coat, Heavy Steel |
| Dimensions (HxWxD) | 1.72in x 17in x 18in (44mm x 432mm x 457mm) |
| Weight | 15 lbs (6.8 kg) |
| Certifications | UL/c-UL 62368-1, CE, UKCA, RoHS, FCC Part 15 Class A, RCM, China RoHS |
| Warranty | 5-Year (with registration within 120 days); otherwise 3-Year |
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
A decade of delivery — trusted by 275+ clients across industries
