Eaton 93PM Emergency Lighting UPS (50 kW, 480V Three and Four-Wire UL 924) Installation and Operation Manual P-164000569—Rev 03 1
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The Eaton
®
93PM 50 kW, Three-Wire UL 924 Emergency Lighting Uninterruptible Power Supply (UPS) and the
Eaton 93PM 50 kW, Four- Wire UL 924 Emergency Lighting Uninterruptible Power Supply (UPS) are true
online, continuous-duty, transformerless, double-conversion, solid-state, three-phase system, providing
conditioned and uninterruptible AC power for emergency lighting during power failures or other emergency
situations.
The Eaton 93PM UL 924 UPS models are certified for UL Standards for Safety for Emergency Lighting and
Power Equipment, UL 924. UL 924 models can provide greater than 90 minutes of battery runtime at the rated
load.
The Eaton 93PM UL 924 UPS online power protection system is used to power the customer’s emergency
lighting system and is configured with external line and match or standalone battery cabinets.
The Eaton 93PM UL 924 UPS is available with one Uninterruptible Power Module (UPMs) integrated in one
cabinet. The UPM is rated for a maximum of 40 kW. The system maximum rating is 40 kW.
The UPS is housed in a single free-standing cabinet, with safety shields behind the door for hazardous voltage
protection. Power wiring is installed through the bottom of the cabinet with an optional sidecar available for top
entry wiring. Figure 1 shows the Eaton 93PM 50 kW, Three or Four-Wire UL 924 UPS and Figure 2 shows the
Eaton 93PM 50 kW, Three or Four-Wire UL 924 UPS with a left or right mounted sidecar.
NOTE Startup and operational checks must be performed by an authorized Eaton Customer
Service Engineer, or the warranty terms specified in Chapter 11 Warranty become void.
This service is offered as part of the sales contract for the UPS. Contact an Eaton service
representative in advance (a minimum two-week notice is required) to reserve a
preferred startup date.
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The UPS has many standard features that provide cost-effective and consistently reliable power protection. The
descriptions in this section provide a brief overview of the UPS standard features.
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• Line-up-and-match or standalone configurations
• Power wiring can be routed through the bottom of the cabinet
• Battery wiring can be run internally through the left or right sides of the UPS cabinet in line-up-and-match
configurations
• Easily accessible mechanical terminals located at the bottom front of the cabinet reduce installation time
• Control wiring can be routed through the top or bottom of the UPS cabinet, or through the left or right
sides of the UPS cabinet in line-up-and-match configurations
• Built-in casters for easy cabinet placement
• Cabinet bolt holes are provided for permanently mounting the UPS using optional front and back or left and
right side floor mounting bracket kits
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