Description
Ensure reliable, uninterrupted power delivery with the Vertiv VA7N21A1 Rack Transfer Switch rPDU. Designed for critical IT loads with single power supplies, this horizontal 1U 20A/120V unit automatically switches between power sources in under 8 milliseconds. Featuring 6 NEMA 5-20R outlets, dual L5-20P input plugs, outlet-level monitoring and control, and optional environmental sensors, it helps safeguard uptime with robust remote management via Ethernet, SNMP, and JSON APIs.
| Specification | Details |
|---|---|
| Model Number | VA7N21A1 |
| Product Type | Rack Transfer Switch (rPDU) |
| Power Capacity | 1.9kW @ 120V, 20A |
| Input Plugs | (2) NEMA L5-20P Twistlock |
| Output Receptacles | (6) NEMA 5-20R |
| Form Factor | 19" Horizontal Rackmount, 1U |
| Mounting Options | 2-Post, 4-Post Adjustable (24"-37") |
| Switching Time | < 4-8ms |
| Monitoring | Input & Outlet-Level (kWh, W, VA, PF, V, A) |
| Remote Management | Outlet Switching, Time Delays, Sequential Start |
| Network Protocols | SNMP v1/v2c/v3, HTTP/HTTPS, RADIUS, Modbus TCP |
| Data Formats | JSON API, JSON/CSV datalog |
| Environmental Sensors | Optional (RJ Port Supports up to 16) |
| Display | LCD Touchscreen + Local LEDs |
| Operating Temp | Max 60°C (140°F) |
| Color / Finish | Black Powder-Coated Steel |
| Dimensions (HxWxD) | 1.72" x 17" x 18" (44mm x 432mm x 457mm) |
| Weight | 12 lbs (5.44 kg) |
| Warranty | 5-Year (with registration), 3-Year Standard |
| Certifications | UL 62368-1, c-UL, RoHS, FCC Part 15 Class A |
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
