APC SURTD6000RMXLP3U
APC Smart-UPS RT 6000VA Rack-Mountable UPS User Manual
Model: SURTD6000RMXLP3U | Brand: APC
Introduction
This manual provides essential information for the safe and efficient operation of your APC Smart-UPS RT 6000VA Rack-Mountable UPS. This Dual Conversion Online UPS is designed to supply reliable utility power to connected loads, ensuring continuous operation even during power fluctuations or outages. It features hot-swappable, maintenance-free, sealed lead-acid batteries, enhancing availability and reducing Mean Time to Repair (MTTR).
Safety Information
Read and understand all instructions before installing or operating the UPS. Adhere to all warnings and operating instructions on the unit and in this manual.
- Electrical Safety: The UPS contains internal batteries and may present a shock hazard even when disconnected from the AC power source.
- Battery Safety: Batteries can present a risk of electrical shock and burn from high short-circuit current. Do not dispose of batteries in a fire.
- Installation: Ensure proper grounding. Do not block ventilation openings. Install in a controlled environment, free from excessive dust, temperature, and humidity.
- Servicing: Refer all servicing to qualified service personnel. There are no user-serviceable parts inside except for battery replacement.
Product Overview
The APC Smart-UPS RT 6000VA is a 3U rack-mountable Uninterruptible Power Supply designed for critical applications. It provides 6000 VA / 4200 W of power protection.

Figure 1: Front view of the APC Smart-UPS RT 6000VA Rack-Mountable UPS. The unit is black with a silver rack-mounting bracket on the right side, showing ventilation holes. The front panel includes indicators and controls.
Key Features:
- Dual Conversion Online Topology
- Rack-mountable 3U form factor
- Hot-swappable, user-replaceable batteries
- Multiple output receptacles: 1 x NEMA L6-30R, 1 x NEMA L14-30R, 4 x NEMA 5-20R
- Automatic self-test and battery management
Setup
1. Unpacking and Inspection:
Carefully unpack the UPS and inspect it for any shipping damage. Report any damage to the carrier and your dealer. Retain the packing materials for future use.
2. Rack Mounting:
This UPS is designed for 3U rack installation. Follow the instructions provided with your rack-mount kit for secure installation. Ensure adequate ventilation space around the unit.
3. Connecting to Power:
- Connect the UPS to a properly grounded AC power outlet using the provided input power cord.
- Allow the UPS batteries to charge for at least 2.5 hours before connecting equipment. This ensures maximum runtime.
4. Connecting Equipment:
Connect your critical equipment to the output receptacles on the rear of the UPS. Distribute the load evenly across the available outlets. The UPS provides 1 x NEMA L6-30R, 1 x NEMA L14-30R, and 4 x NEMA 5-20R receptacles.
Operating
Turning On the UPS:
Press and hold the power button on the front panel until you hear a beep. The UPS will perform a self-test and then transfer to online mode, providing conditioned power to your connected equipment.
Turning Off the UPS:
Press and hold the power button until the UPS shuts down. Ensure all connected equipment is safely powered off before turning off the UPS.
Battery Operation:
In the event of a power outage, the UPS will automatically switch to battery power. The full load runtime is approximately 4.4 minutes, and half load runtime is approximately 14.1 minutes. The UPS will emit an audible alarm during battery operation.
Maintenance
Battery Replacement:
The UPS uses hot-swappable, maintenance-free, sealed lead-acid batteries. Replace batteries when indicated by the UPS or after their service life (typically 3-5 years). Refer to the battery replacement kit instructions for detailed steps. Only use APC-approved replacement battery cartridges.
Cleaning:
Keep the UPS clean and free of dust. Use a dry cloth to wipe the exterior. Do not use liquid or aerosol cleaners.
Storage:
If storing the UPS for an extended period, ensure the batteries are fully charged. Recharge the batteries every 3-6 months to prevent permanent damage.
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; discharged battery | Check power cord connection; allow battery to charge for 2.5 hours. |
| UPS beeps continuously | On battery power; low battery | Restore utility power; allow battery to recharge. |
| Overload alarm | Connected equipment exceeds UPS capacity | Remove non-essential equipment; check total load. |
Specifications
- Model: SURTD6000RMXLP3U
- Capacity: 6000 VA / 4200 W
- Form Factor: Rack-mountable 3U
- Input Voltage: 208 V AC (Nominal)
- Output Voltage: 208 V AC (Nominal)
- Receptacles: 1 x NEMA L6-30R, 1 x NEMA L14-30R, 4 x NEMA 5-20R
- Battery Type: Maintenance-free, Sealed Lead Acid, Spill-proof
- Typical Recharge Time: 2.5 hours
- Runtime (Full Load): 4.4 minutes
- Runtime (Half Load): 14.1 minutes
- Dimensions (H x W x D): (Refer to product documentation for exact dimensions, typically 5.12 x 17.0 x 26.0 inches for 3U)
- Weight: 123 pounds (55.8 kg)
- Operating Temperature: 0 - 40 °C (32 - 104 °F)
Warranty and Support
APC products are backed by a limited warranty. Please refer to the warranty card included with your product or visit the official APC website for detailed warranty terms and conditions.
For technical assistance, troubleshooting, or service inquiries, please contact APC customer support. Have your model number (SURTD6000RMXLP3U) and serial number ready when contacting support.
Online Resources: Visit www.apc.com/support for FAQs, software downloads, and additional documentation.
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