APC Smart-UPS SC 420VA 120V
APC Smart-UPS SC, 450VA/280W, Input 120V/Output 120V, Interface Port DB-9 RS-232, Rack Height 1 U
Includes: CD with software, Rack Mounting Brackets, Smart UPS signalling RS-232 cable, User Manual
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Best solution for poor power regions and applications requiring longer runtimes.
Brings Smart-UPS reliability to entry-level applications.
APC Smart-UPS SC is ideal for small and medium businesses looking to protect entry-level servers and networking equipment from power disturbances and outages. The Smart-UPS SC features network grade runtime, hot swap batteries, and built-in data line protection for worry free uninterruptible power protection for increased availability. The included PowerChute Business Edition software, which has an installed base in the millions, gives entry-level network and server users a proven UPS management solution. PowerChute Business Edition also manages other Smart-UPS models, allowing easy upgrades as applications change, without having to replace software or retrain administrators. Most Smart-UPS SC models can be installed in either a tower or rack configuration, allowing standardization across multiple applications. Built on the same standards as the award-winning Smart-UPS, with over 10 million installed, Smart-UPS SC provides the basic features and manageability needed to protect entry-level applications.
Features & Benefits:
| Manageability | |
| Network manageable | Monitor and control the UPS remotely via included PowerChute software or APC Network Management Card (included in all models above 3kVA). |
| Audible alarms | Actively let you know if the unit is on battery, if the battery is low or if there is an overload condition. |
| Automatic self-test | Periodic battery self-test ensures early detection of a battery that needs to be replaced. |
| Predictive failure notification | Provides early-warning fault analysis on batteries enabling timely preventive maintenance |
| LED status indicators | Enables quick understanding and response to visual indicators showing UPS status. |
| Serial Connectivity | Provides management of the UPS via a serial port. |
| InfraStruXure Manager compatible | Enables centralized management via the APC InfraStruXure® Manager. |
| Economy | |
| Boost and Trim Automatic Voltage Regulation (AVR) | Gives higher application availability by correcting low and high voltage conditions without using the battery. |
| User-replaceable batteries | Battery replacement is simple and safe, and can be performed by the end-user. A technician is not required to replace the PowerShield battery |
| Adjustable voltage-transfer points | Maximizes useful battery life by widening the input voltage window or tightening the output voltage regulation. |
| Safety-agency approved | Ensures the product has been tested and approved to work safely with the connected service provider equipment and within the specified environment. UL, FCC, CE, C-Tick approvals. |
| Availability | |
| Dataline Surge Protection | Provides protection of connected equipment from power surges on the data lines. |
| Power conditioning | Protects connected loads from surges, spikes, lightning, and other power disturbances. |
| Intelligent battery management | Maximizes battery performance, life, and reliability through intelligent, precision charging. |
| Automatic restart of loads after UPS shutdown | Automatically starts up the connected equipment upon the return of utility power. |
| Cold-start capable | Provides temporary battery power when the utility power is out. |
| Hot-swappable batteries | Ensures clean, uninterrupted power to protected equipment while batteries are being replaced |
| Resettable circuit breakers | Enables quick recovery from UPS overload events. |
Runtime Chart:
Click here to view the Smart-UPS Entry Level Runtime Chart. (pop-up window)
Technical Specifications:
| Output | |
| Output Power Capacity | 260 Watts / 420 VA |
| Max Configurable Power | 260 Watts / 420 VA |
| Nominal Output Voltage | 120V |
| Output Voltage Distortion | Less than 5% at full load |
| Output Frequency (sync to mains) | 47 - 53 Hz for 50 Hz nominal,57 - 63 Hz for 60 Hz nominal |
| Crest Factor | up to 5 : 1 |
| Waveform Type | Stepped approximation to a sinewave |
| Output Connections |  (4) NEMA 5-15R |
| Input | |
| Nominal Input Voltage | 120V |
| Input Frequency | 50/60 Hz +/- 3 Hz (auto sensing) |
| Input Connections |  NEMA 5-15P |
| Cord Length | 6 feet (1.83 meters) |
| Input voltage range for main operations | 82 - 144V |
| Input voltage adjustable range for mains operation | 75 - 154V |
| Batteries & Runtime | |
| Battery Type | Maintenance-free sealed Lead-Acid battery with suspended electrolyte: leakproof |
| Typical recharge time | 5 hour(s) |
| Replacement battery cartridge | RBC2 |
| RBC™ Quantity | 1 |
| Typical Backup Time at Half Load | 13.5 minutes (130 Watts) |
| Typical Backup Time at Full Load | 5.5 minutes (260 Watts) |
| Runtime Chart | Smart-UPS SC |
| Communications & Management | |
| Interface Port(s) | DB-9 RS-232 |
| Control Panel | LED status display with On Line : On Battery : Replace Battery and Overload indicators |
| Audible Alarm | Alarm when on battery : distinctive low battery alarm : overload continuous tone alarm |
| Emergency Power Off (EPO) | Optional |
| Surge Protection and Filtering | |
| Surge Energy Rating | 412 Joules |
| Filtering | Full time multi-pole noise filtering : 5% IEEE surge let-through : zero clamping response time : meets UL 1449 |
| Dataline Protection | RJ-45 Modem/Fax/DSL/10-100 Base-T protection |
| Physical | |
| Maximum Height | 6.60 inches (168 mm) |
| Maximum Width | 4.70 inches (119 mm) |
| Maximum Depth | 14.50 inches (368 mm) |
| Rack Height | - |
| Net Weight | 22.00 lbs. (10.00 kg) |
| Shipping Weight | 24.00 lbs. (10.91 kg) |
| Shipping Height | 12.50 inches (318 mm) |
| Shipping Width | 10.30 inches (262 mm) |
| Shipping Depth | 20.00 inches (508 mm) |
| Color | Grey |
| Units per Pallet | 40.00 |
| Environmental | |
| Operating Environment | 32 - 104°F (0 - 40°C) |
| Operating Relative Humidity | 0 - 95% |
| Operating Elevation | 0-10000 feet (0-3000 meters) |
| Storage Temperature | 5 - 113°F (-15 - 45°C) |
| Storage Relative Humidity | 0 - 95% |
| Storage Elevation | 0-50000 feet (0-15000 meters) |
| Audible noise at 1 meter from surface of unit | 45.00 dBA |
| Online Thermal Dissipation | 50.00 BTU/hr |
| Conformance | |
| Regulatory Approvals | CSA,FCC Part 15 Class A,UL 1778 |
| Standard Warranty | 2 years repair or replace |
| Equipment protection policy | Lifetime: $150,000 |
Documentation:
Download the APC SC420 Data Sheet (PDF).
Pricing Notes:
- Pricing and product availability subject to change without notice.
- Note: Shipping charges may vary depending on the selected unit's weight or the quantity of units selected. As a result, the shipping charges may change from the value you receive at checkout. A customer representative will confirm these changes with you if they occur before processing your order.
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