Description
The Vertiv VA4U11A0 Rack Transfer Switch (RTS) delivers seamless, redundant power to single-corded IT equipment with automatic switching in under 8 milliseconds. Designed for mission-critical environments, it features 10 locking IEC C13 outlets, dual C14 inlets, real-time input power monitoring, and daisy-chain Ethernet connectivity. With advanced environmental monitoring support and a rugged 1U horizontal mount design, this RTS ensures operational uptime, network visibility, and energy optimization. Ideal for edge, enterprise, and remote sites requiring fault-tolerant power continuity.
| Feature | Details |
|---|---|
| Part Number | VA4U11A0 |
| Form Factor | 19" Horizontal Rackmount (1U), Adjustable 4-post (24–37”), 2-post kit ready |
| Input Power | Dual C14 Inlets (cords sold separately) |
| Voltage Range | 100–240V, 50/60Hz |
| Current Rating | 10A or 15A |
| Max Load Capacity | 1.4kW (120V), 2.4kW (208V), 2.3kW (230V) |
| Receptacles | 10 × Locking IEC C13 |
| Power Switching | Auto-switching in <4–8ms, out-of-phase transfer supported |
| Monitoring | Monitored Unit Level, Phase A (kWh, W, VA, PF, V, A) |
| Display | Local high-visibility LCD with auto orientation |
| Network Ports | Dual 10/100/1000 Mbps Ethernet |
| Protocols Supported | DHCP, HTTPS, SNMP (v1/v2c/v3), SSH, RADIUS, Modbus TCP, JSON API & more |
| Sensor Ports | 1 × RJ for up to 16 environmental sensors |
| Daisy Chain Support | Up to 50 units with RSTP fault-tolerant chaining |
| Chassis Color | Black powder-coated heavy steel |
| Operating Temp | Up to 60°C (140°F) |
| Certifications | UL, CE, UKCA, FCC Class A, RoHS, IEC 62368-1, China RoHS, RCM |
| Dimensions (HxWxD) | 1.72" x 17" x 18" (44mm x 432mm x 457mm) |
| Weight | 15 lbs (6.8 kg) |
| Warranty | 5 years (with registration), 3 years otherwise |
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
