Liebert
Liebert MP2-115HW Bypass Switch accessory
A 2U rack-mount bypass switch with 6 ms open-transition switching, hard-wired and NEMA 5-15 connections, 120 V AC output, 12 A rated and 15 A maximum current, over-current and surge protection.
- TypeOther
- SpecificationsSwitch Type: Open Transition Switching Time: 6 ms Plug/Conne
- Dimensions17" x 3.5" x 3.5"
- Maintenance bypass keeps power flowing during UPS service
- Open-transition switching completes in 6 ms for minimal interruption
- Hard-wired and NEMA 5-15 connections fit standard 120 V installations
- 2U rack or tower form factor suits dense equipment layouts
- Over-current and surge protection safeguards connected loads
Bypass Switch for Liebert UPS
The Liebert MP2-115HW is an open-transition bypass switch designed for 120 V Liebert UPS units. It provides a maintenance path that isolates the UPS while keeping connected equipment powered. The unit mounts in a 2U tower or rack form factor and includes a six-foot input cable for installation flexibility.
Suited for 120 V UPS maintenance
This accessory suits administrators who need to service a compatible Liebert UPS without interrupting the load. It is not for systems operating at voltages outside the 110 V to 120 V input range, nor for installations that require closed-transition switching. Buyers needing higher current capacity than the 15 A maximum should look at alternative solutions.
Hardwired and NEMA 5-15 connections
The switch offers both hardwired and NEMA 5-15P input with matching NEMA 5-15R output receptacles, allowing direct integration into existing power distribution. Over-current and surge protection are built in to safeguard downstream equipment during bypass operation. The six-foot cord simplifies rack placement without requiring separate cabling.
Highlights
- Maintenance bypass keeps power flowing during UPS service
- Open-transition switching completes in 6 ms for minimal interruption
- Hard-wired and NEMA 5-15 connections fit standard 120 V installations
- 2U rack or tower form factor suits dense equipment layouts
- Over-current and surge protection safeguards connected loads
Specifications
| Brand | Liebert |
|---|---|
| Model | MP2-115HW |
| Type | Other |
| Specifications | Switch Type: Open Transition Switching Time: 6 ms Plug/Connector Type: Hardwired NEMA 5-15P Receptacles: Hardwired NEMA 5-15R Protection Type: Over Current Surge Input Voltage: 110 V AC Input Voltage Range: 120 V AC Output Voltage: 120 V AC 208 V AC Current: 12 A Rated Current 15 A Maximum Current Frequency: 50 Hz 60 Hz Temperature: 32 degrees F (0 degrees C) to 104 degrees F (40 degrees C) Operating -4 degrees F (-20 degrees C) to 140 degrees F (60 degrees C) Storage Humidity: 0% to 95% Non-condensing Form Factor: 2U Tower/Rack Mountable Power Cord/Cable: 6 ft Input |
| Dimensions | 17" x 3.5" x 3.5" |
| Shipping weight | 5.90 kg |
| Package size | 470 × 201 × 159 mm |
Questions about this item
What UPS voltage and plug type must I already have for this bypass switch to connect?
It requires a Liebert 120 V UPS with a NEMA 5-15P input and hardwired output connections.
Will the 6 ms open-transition switching interrupt power to my older rack gear during transfer?
The 6 ms break is brief enough for most legacy servers and network equipment to ride through without rebooting.
How can I confirm the switch is operating correctly after installation?
Verify the status LEDs show normal, then initiate a manual bypass; the load should transfer to utility power within the 6 ms switching window.
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