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Monitored - IEC 60320 C20 - 12 x Combination C13/C19 - 120 V AC, 240 V AC - Network (RJ-45) - 1U - Horizontal - Rack-mountable - Rack - TAA Compliant
MSRP$2,157.00
$1,617.75
Save 25%Special order — estimated available by September 10, 2026.
Genuine Vertiv through authorized distribution — TAA country-of-origin verified and NDAA §889 screened before checkout.
The Vertiv Geist Rack Transfer Switch VA4U21A0 is a 16A/20A, 120V/208V/230V, single phase unit level monitored rPDU with (12) Combination C13/C19 outlets and (2) C20 inlet providing 1.9kW/3.3kW/3.6kW power capacity. This unit provides backup power to single-corded devices and helps ensure continuity in the event of power loss. It quickly detects power loss on the main source and automatically switches to the secondary source within less than 4 to 8 milliseconds. It is integrated with the Vertiv Geist Next-Generation IMD which displays power data via its 128x128 high-visibility LCD. It has an internal sensor that intelligently adjusts the orientation based on horizontal or vertical installation. This includes a redundant power-sharing port that connects two IMDs in the rack and provides backup power in case of power loss. Enhanced security with a secure boot is added to the device to help ensure data and operations are protected. The units are CE Marked, comply with IEC 60950-1 (CB Certificate Available), RoHS certified, and are individually tested for functionality and reliability. More from the Manufacturer
<4-8ms TRANSFER SPEED
The Vertiv Geist Rack Transfer Switch can help ensure your critical IT equipment remains powered even in the event of a power failure. This rPDU automatically switches from the primary power source to the secondary power source in 4-8 milliseconds, saving your important business operations from harmful and costly disruptions caused by power loss.
EASY TO USE FRONT PANEL
The RTS has an easy-to-use front panel that provides visual identification of the active power source for easy monitoring. It also allows users to do a manual transfer of the power source. The transfer can be done either by touch of a button or remotely, so users have options on how to manage power loads during maintenance or emergency power loss.
OUTLET FLEXIBILITY
Select models in the Vertiv Geist RTS product line are equipped with the Combination Outlets C13/C19. These hybrid outlets function as both a C13 and C19 receptacle. The outlets accommodate both C14 and C20 plug types interchangeably, providing you the flexibility to support common critical IT equipment using just a single rack PDU.
NEXT GENERATION IMD
Integrated with the Vertiv Geist Next Generation IMD with 128x128 high-visibility LCD that displays power data. It has an internal sensor that intelligently adjusts the orientation based on horizontal or vertical installation.
SECURE DATA
The Vertiv Geist Next Generation IMD helps protect your data and operations with enhanced security features with a secured boot that utilizes a hardware-based trust anchor. The integrated redundant power-sharing port connects two IMDs in the rack and provides backup power.
UL-LISTED and TAA-COMPLIANT
All Vertiv Geist RPDUs are individually tested for functionality and reliability. This Vertiv Geist Monitored rPDU is UL-listed, TAA-compliant, and RoHS certified. It helps ensure a smoother selection, procurement, and deployment process for those who are under the federal, state, and local governments. All Vertiv Geist Rack PDUs are backed with a standard three-year warranty that automatically extends to five years if the product is registered within 120 days of purchase.
VA7U21A0
Input: (2) C20 inlets
Outlet: (6) Combination C13/C19
Current: 16A/20A
Voltage: 100V-240V
Power Capacity: 1.9kW/3.3kW/3.6kW
VA4U21A0
Input: (2) C20 inlets
Outlet: (12) Combination C13/C19
Current: 16A/20A
Voltage: 120V/208V/230V
Power Capacity: 1.9kW/3.3kW/3.6kW
VA7G32A0
Input: (2) 1P+N+E (IP44)
Outlet: (12) Combination C13/C19
Current: 32A
Voltage: 230V
Power Capacity: 7.3kW
VA4G31A0
Input: (2) 1P+N+E (IP44)
Outlet: (12) Combination C13/C19
Current: 32A
Voltage: 230V
Power Capacity: 7.3kW
Digital Continuity Solutions Vertiv brings together hardware, software, analytics, and ongoing services to ensure a customer’s digital infrastructure and vital applications run continuously, perform optimally, and scale with business needs Vertiv is a U.S. based, publicly-traded (NYSE: VRT), global manufacturer of power, thermal and IT infrastructure products and services. By bringing together hardware, software and on-going services, Vertiv offers solutions that ensure uninterrupted, reliable, safe operations of vital data applications that run continuously and perform-optimally. Vertiv possesses a rare combination of expertise and solutions that ensures connectivity and availability across any and all network facilities, anywhere in the world. Our portfolio includes the most respected brands in the industry including Avocent (networking and remote management), Geist (rack PDUs, monitors, sensors), and Liebert (UPS, power and thermal). Visit Vertiv.com for more information. Our Brands Avocent The power of being there When you need to take control of multiple IT devices across a room or across geographies, you can rely on market-leading Avocent or Cybex keyboard, video, and mouse (KVM) switches and serial consoles to provide easy, single-point access to valuable system data. Since 1981 Avocent has been developing and manufacturing industry-leading KVM switches and serial consoles to deliver easy, single-point access to valuable system data in order to control and simplify management of multiple IT devices. Vertiv’s Avocent solutions have helped over 200,000 customers worldwide by providing faster provisioning, simplified management, reduced mean time to repair, enhanced security, and lower operating costs. Geist Reliable power management Ensuring data center availability and business continuity requires that the last link in the power chain, the rack power distribution unit (rPDU), operates as intended to support dynamic operations in the areas of power, cooling, monitoring, and overall data center infrastructure management (DCIM). Geist designs and manufactures industry-leading technology and software to power, cool, monitor and manage critical data center infrastructure. On-site engineering, reliability, conformance and compliance allow us to design, manufacture, and ship PDUs so they arrive when you need them. Customers have peace of mind knowing Geist’s dedicated compliance and reliability engineering team ensure conformance to global standards for reliability, safety, and accuracy. Liebert Protecting the power and environment of your mission critical electronic systems Your data center and edge computing sites are the core of your business. Intelligent, efficient power and thermal infrastructure are critical to ensuring continuous access to vital applications and data. Liebert power and thermal management systems are designed to protect your IT environment and adapt to your changing needs. Liebert provides global power and thermal management solutions with a portfolio of most efficient and reliable power and cooling technologies in the market. Liebert offers a complete line of energy-efficient and reliable technologies including UPS, racks, rack enclosures, rack cooling, and PDUs. These award-winning technologies offer unmatched efficiency and reliability for mission-critical applications, as well as controls to optimize uptime. Architects of Continuity As Architects of Continuity, Vertiv solutions help customers build future-ready digital infrastructures that deliver continuity across large infrastructure (AC power, DC power, energy storage, industrial solutions, thermal) and IT and edge infrastructure (edge systems, IT systems, rack, rack PDU, rack thermal, rack UPS) applications. Customers can choose to work with a trusted Vertiv advisor or order products online via their preferred IT distributors, resellers and marketplaces. To learn more, visit Vertiv.com today!
| General Information | |
|---|---|
| Manufacturer | Vertiv |
| Manufacturer Part Number | VA4U21A0 |
| Brand Name | Vertiv Geist |
| Product Line | Geist Upgradeable |
| Product Series | U |
| Product Model | AU03E1R5-12CF17-2C20C20A900-D |
| Product Name | GU VA4U21A0 PDU |
| Product Type | PDU |
| Interfaces/Ports | |
| Network (RJ-45) | Yes |
| Management | |
| Remote Outlet Switching | No |
| Physical Characteristics | |
| Product Color | Black |
| Mounting Orientation | Horizontal |
| Mount Type | Rack-mountable |
| Form Factor | Rack |
| Rack Height | 1U |
| Height | 1.7" |
| Width | 17" |
| Depth | 18" |
| Weight (Approximate) | 15 lb |
| Power Description | |
| Input Voltage | 120 V AC, 240 V AC |
| Input Voltage Range | 100 V AC - 240 V AC |
| Output Voltage Range | 100 V AC - 240 V AC |
| Power Rating (Watt) | 3600 W |
| Input Current | 20 A |
| Technical Information | |
| PDU Type | Monitored |
| Phase | Single Phase |
| Plug/Connector Type | IEC 60320 C20 |
| Plug/Connector Detail | 2 x IEC 60320 C20 |
| Receptacle Type | Combination C13/C19 |
| Receptacle Detail | 12 x Combination C13/C19 |
| Features | LCD Display, Touch Screen Display |
| Miscellaneous | |
| TAA Compliant | Yes |
Matched on Single phase · IEC C13
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