Vertiv Liebert NMBHW81 20kVA Hardwired Maintenance Bypass Cabinet – 125A Output, Wall-Mountable
by Vertiv
Ensure uninterrupted power delivery and simplified UPS servicing with the Vertiv Liebert NMBHW81 Maintenance Bypass Cabinet, engineered specifically for the Vertiv Liebert Nfinity UPS systems. This hardwired 20kVA solution offers seamless “wrap around” protection, allowing maintenance or removal of the UPS without disrupting the load.
The NMBHW81 model includes a 125A output circuit breaker, manual bypass switch, and UPS input disconnect, delivering complete control and flexibility. With a compact wall-mountable design and compatibility with 120/120/208/240V output at 60 or 50Hz, this bypass switch is ideal for data centers, network closets, and other mission-critical environments.
Note: Isolation transformer not included.
| Feature | Details |
|---|---|
| Manufacturer | Vertiv |
| Brand Name | Liebert |
| Model Number | NMBHW81 |
| Product Type | Bypass Switch |
| Power Capacity | 20kVA |
| Current Rating | 125 Amps |
| Output Voltage | 120/120/208/240V |
| Frequency Supported | 50Hz / 60Hz |
| Bypass Features | Manual bypass switch, UPS input disconnect |
| Circuit Protection | 125A Output Circuit Breaker |
| Isolation Transformer | Not Included |
| Mounting Type | Wall-mountable |
| Shipping Weight | 52 lbs |
| Condition | New and Factory Fresh |
| Country of Origin | Mexico |
| Compatible With | Vertiv Liebert Nfinity UPS |