1. Introduction
This manual provides essential instructions for the installation, operation, maintenance, and troubleshooting of your APC Smart-UPS SRT 10KVA Rack Mount Uninterruptible Power Supply (UPS) with an integrated 208/240V to 120V Step-Down Transformer. Please read this manual thoroughly before installing or operating the equipment.
The APC Smart-UPS SRT 10KVA is designed to provide reliable power protection for critical electronic equipment, ensuring continuous operation during power outages and fluctuations. The integrated step-down transformer allows for flexible deployment in environments requiring 120V output from a 208/240V input source.
2. Safety Information
Important Safety Instructions:
- Read these instructions carefully and look at the equipment to become familiar with the device before trying to install, operate, service, or maintain it.
- This UPS contains internal batteries and may present a shock hazard even when disconnected from the AC mains.
- Servicing of batteries should be performed or supervised by personnel knowledgeable of batteries and the required precautions. Keep unauthorized personnel away from batteries.
- Do not dispose of batteries in a fire. The batteries may explode.
- Do not open or mutilate batteries. Released electrolyte is harmful to the skin and eyes. It may be toxic.
- Replace batteries only with the same type and number of batteries or battery packs recommended by the manufacturer.
- Do not connect the UPS to a non-grounded outlet.
- Ensure proper grounding for all connected equipment.
- Always disconnect the UPS from the power source before performing any maintenance or service.
3. Setup
3.1 Unpacking and Inspection
Carefully unpack the UPS and its components. Inspect for any shipping damage. If damage is found, notify the carrier and dealer. The package should contain the UPS unit, rack-mounting hardware, and documentation.
3.2 Rack Mounting
The SRT 10KVA RM is designed for installation in a standard 19-inch equipment rack. Follow the instructions provided with the rack-mounting kit to securely install the UPS and the step-down transformer module into the rack. Ensure adequate ventilation space around the unit.

Figure 1: Front view of the APC Smart-UPS SRT 10KVA Rack Mount UPS system, showing the main UPS unit and associated battery packs/step-down transformer modules installed in a rack. The central unit features a display panel indicating 'Output 208.0 V' and 'Online'.
3.3 Electrical Connections
- Input Power: Connect the UPS input power cord to a dedicated 208V or 240V AC circuit. Ensure the circuit breaker rating is appropriate for the UPS capacity.
- Step-Down Transformer Connection: Connect the output of the main UPS unit to the input of the step-down transformer module using the provided cables.
- Output Power (120V): Connect your critical equipment to the 120V output receptacles on the step-down transformer module. Do not overload the outlets.
- Network Management Card (Optional): If applicable, install and configure the network management card for remote monitoring and control.
3.4 Initial Power-Up
After all connections are secure, press the power button on the front panel of the UPS. The UPS will perform a self-test and then enter online mode. Verify the output voltage and status on the front panel display.
4. Operating
4.1 Front Panel Display
The front panel LCD provides real-time information about the UPS status, input/output voltage, battery charge, load level, and various alarms. Use the navigation buttons (ESC, OK, UP, DOWN) to access different menus and settings.
4.2 Basic Operation
- Turning On: Press and hold the power button until the display illuminates.
- Turning Off: Press and hold the power button until the UPS shuts down. Ensure all connected equipment is safely powered off first.
- Self-Test: Initiate a self-test from the front panel menu to verify battery and UPS functionality.
4.3 Battery Management
The UPS continuously monitors battery health. The display will indicate battery charge level and estimated runtime. Perform periodic battery self-tests as recommended to ensure optimal performance.
5. Maintenance
5.1 Battery Replacement
The UPS batteries are user-replaceable. Refer to the specific battery replacement instructions provided with your replacement battery modules. Always use genuine APC replacement battery cartridges (RBCs) to ensure compatibility and safety. Battery replacement should only be performed by qualified personnel.
5.2 Cleaning
Keep the UPS and its ventilation openings clean and free of dust. Use a dry cloth to wipe down the exterior. Do not use liquid cleaners or solvents.
5.3 Environmental Considerations
Operate the UPS within the specified temperature and humidity ranges. Avoid exposing the unit to direct sunlight, excessive heat, or moisture. Ensure proper airflow around the unit to prevent overheating.
6. Troubleshooting
This section provides solutions to common issues. For more complex problems, contact APC technical support.
| Problem | Possible Cause | Solution |
|---|---|---|
| UPS does not turn on | No input power; Battery disconnected; UPS fault | Check input power connection and circuit breaker; Ensure battery connections are secure; Contact support if fault persists. |
| UPS beeps continuously | On battery; Overload; Low battery | Check input power; Reduce load; Allow battery to recharge. |
| No output power | UPS off; Output breaker tripped; Internal fault | Turn on UPS; Reset output breaker; Contact support. |
| Battery runtime is short | Battery nearing end of life; Overload; Battery not fully charged | Replace battery; Reduce load; Allow battery to charge for 24 hours. |
7. Specifications
| Feature | Detail |
|---|---|
| Model | SRT 10KVA RM |
| Brand | APC |
| ASIN | B018JDJCQW |
| UPC | 079643813773 |
| Package Dimensions | 30 x 17 x 17 inches |
| Item Weight | 0.01 Ounces (Note: This weight may refer to packaging or a specific component, not the full unit.) |
| Manufacturer | APC / Schneider Electric |
| Date First Available | January 23, 2017 |
8. Warranty and Support
APC provides a limited warranty for this product. For detailed warranty information, please refer to the warranty card included with your product or visit the official APC website. Technical support is available to assist with installation, troubleshooting, and product inquiries. Please have your model number and serial number ready when contacting support.
For further assistance, visit the APC Store on Amazon or the official APC website.





