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    CyberPower M550L 550 VA 440 Watts 4 Outlets Medical Grade UPS

    • M550L
    • M750L
    • M1100XL
    • 550 VA / 440 Watts / 120V
    • 4 x NEMA 5-15R-HG Outlets
    • UL 60601-1 Tested
    • Hospital-Grade Plugs & Outlets
    • Multifunction LCD Panel
    • Automatic Voltage Regulation
    • User Replaceable Batteries
    This item is covered under the Manufacturer Only Return Policy.
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    Overview
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    Any questions? Ask CelesteSM will help you find out quickly.

    Discover the CyberPower M550L, a medical-grade UPS designed to deliver clean, consistent backup power to sensitive medical equipment in hospitals and healthcare facilities. This UPS is specifically engineered for use in patient care vicinities and has been rigorously tested to meet all UL 60601-1 requirements. The M550L features hospital-grade plugs and outlets, ensuring the highest level of safety and reliability. It also includes a built-in isolation transformer, which effectively minimizes current leakage and eliminates line noise, enhancing the UPS performance and safety. Designed with a tip-resistant mini-tower structure, the M550L ensures stability in various environments.

    It also comes with replaceable batteries and a sealed, spray-resistant LCD panel, making it suitable for settings that require regular or specialized cleaning procedures. Please note, this UPS is not intended for use in critical care or life support applications. The M550L offers battery backup, providing power to cover shorter outages and supplying power long enough for equipment to properly shut down when utility power fails for longer periods. This feature helps prevent data loss and minimizes the component stress caused by a hard shutdown. The UPS also offers surge protection, diverting excess voltage away from sensitive electronic equipment during an AC power surge or power spike to prevent damage.

    With its line interactive topology, the M550L has an autotransformer that regulates low voltages (e. g., brownouts) and over voltages (e. g., spikes) without having to switch to battery. The M550L's automatic voltage regulation (AVR) provides clean, consistent AC power by automatically regulating low voltages and over voltages, within defined tolerances, when incoming utility power has minor fluctuations. The multifunction LCD panel displays immediate, detailed information on the UPS battery and power conditions, alerting users to potential problems before they can affect critical equipment and cause downtime.

    The M550L is designed to minimize noise during operation for a quieter patient environment. The replaceable batteries can be quickly accessed and replaced by a qualified technician, and are hot-swappable to eliminate unnecessary downtime. The PowerPanel Business Edition Software provides a user-friendly dashboard interface for controlling and monitoring the UPS, making it a versatile and reliable choice for patient-care vicinities.

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Limited Warranty period (parts): 2 years
    • Limited Warranty period (labor): 2 years
    • Read full details

    Return Policies

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    The CyberPower M550L is a 550 VA/440 W medical-grade UPS for healthcare settings that need backup power for compatible patient-care equipment. It has four hospital-grade outlets, UL 60601-1 testing, an isolation transformer, and AVR; it is not intended for critical-care or life-support equipment.

    Recommended For

    • Clinics and care rooms that need short-duration battery backup for compatible, non-critical patient-care equipment, with hospital-grade connections and an isolation transformer.
    • Healthcare IT teams protecting a modest-load workstation or network device in a patient-care area, where voltage regulation and time for a graceful shutdown matter more than extended runtime.
    • Small labs or diagnostic-workstation setups that need hospital-grade outlets, line conditioning, and a sealed display suited to regular cleaning in a patient-care environment.
    • Facilities that want replaceable batteries and USB-based UPS monitoring for a supported, low-load device setup, helping manage battery upkeep and orderly shutdowns.

    Real-World Use Scenarios

    • During a brief power outage, a clinic can keep a compatible diagnostic workstation or other non-life-support equipment running long enough to ride out the interruption or shut down properly; actual runtime depends on the connected load.
    • In a patient-care area, staff can use the M550L with compatible medical or computer equipment that needs backup power and reduced leakage current; it is not intended for critical-care or life-support equipment.
    • When utility power fluctuates during normal clinic operations, the UPS can regulate minor voltage changes without switching to battery, helping connected equipment avoid interruptions caused by brownouts or overvoltage.
    • During planned generator testing, a facility can connect compatible medical or IT equipment to the M550L for battery backup, helping it stay powered through a temporary interruption while the test is underway.
    • A clinic can use the UPS for compatible computers, workstations, or network-storage equipment; if a longer outage exhausts the battery, its management software can support a graceful computer shutdown rather than an abrupt power loss.

    Spec Summary

    AttributeValue
    Best ForMedical equipment that needs battery backup and surge protection through hospital-grade connections
    Capacity And Electrical Output550 VA / 440 W capacity, with 120 V AC output at 60 Hz ±1%
    Input Power120 V AC operation; accepts 90–146 V AC at 57–63 Hz and uses a 5-15P-HG input connection
    Battery Backup And RuntimeTwo sealed lead-acid batteries provide 25 minutes at half load or 8 minutes at full load; recharge takes less than 8 hours, and listed average battery life is 3 years
    Outlets And ConnectivityFour hospital-grade 5-15R-HG outlets, with USB and serial interface ports
    Power Protection And DesignLine-interactive topology with automatic voltage regulation, 1,445 J surge protection, and an isolation transformer
    Display And ManagementSealed multifunction LCD panel; compatible with PowerPanel Business Edition management software
    Compliance And SafetyUL 1778 approved, tested to CSA and UL 60601-1, FCC Part 15 Class A, and RoHS compliant; California Proposition 65 warning lists styrene and BPA
    Physical And EnvironmentalMini-tower metal enclosure in white; 13.7 × 5.4 × 6.4 in (D × W × H), 30.1 lb; rated for 32–104°F
    Package ContentsUPS system, user manual, USB A-to-B cable, and serial cable
    Model IdentifiersCyberPower Systems Medical Grade UPS, model M550L