Description
Ensure uninterrupted power protection and simplified maintenance with the Vertiv Liebert VMBC-20KMVRT4U Maintenance Bypass Cabinet. Designed for use with Vertiv Liebert GXT5 (15-20kVA) and APS series UPS systems, this rack-mountable unit allows safe UPS service or replacement without disrupting power to connected equipment. Featuring (3) NEMA L14-30R outlets, an optional PD2 POD slot, and hardwired input/output terminals, this robust cabinet ensures flexible power management in mission-critical environments. With a 5-year limited warranty, it’s a reliable addition to your power infrastructure.
| Category | Details |
|---|---|
| Manufacturer | Vertiv |
| Brand Name | Liebert |
| Model Number | VMBC-20KMVRT4U |
| Product Type | Maintenance Bypass Cabinet |
| Load Capacity | 20 kVA |
| Input Voltage | 208V/120V |
| Output Receptacles | 3 x NEMA L14-30R |
| Form Factor | Rack-Mountable (4U) |
| Optional Features | PD2 POD, Hardwired Input/Output Terminals |
| Compatibility | GXT5 15-20kVA, APS 1/2/5/6 UPS Models |
| Material | Powder-Coated Steel |
| Color | Black |
| Shipping Weight | 40 lbs |
| Product Condition | New and Factory Fresh |
| Warranty | 5-Year Limited Warranty |
| Country of Origin | China |
| Environment Compliance | Not TAA Compliant, Not Energy Star Rated |
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
