(1) NEMA L21-20
Nominal Output Voltage
Nominal Input Voltage
Rack ATS, 5.7kW, 100/120V, (2)L21-20 in, (1)L21-20 out
Provides redundant rack mount power to single-corded equipment.
Includes: Rack mounting brackets
NetShelter Rack Transfer Switches Features & Benefits
10 kAIC Overcurrent Protection
Provides protection in the event of a significant overcurrent event.
Network Management Capabilities
Full-featured network management interfaces that provide standards-based management via Web, SNMP, and Telnet. Allows users to access, configure, and manage rack PDUs from remote locations to save valuable time. Associated with this feature is the ability to quickly and easily upgrade the firmware via network download to installed units for future product enhancements.
Color LCD display
Provides more robust and intuitive local control and manageability.
Occupys only 1U of valuable rack space. Puts the power where it is needed most - in the rack near the equipment.
Indicates the status of the AC sources powering the units, as well as indicates which source is set as the primary source and which source is currently supplying power to the load. This provides a visual depiction of the power flow from the input to the load. This allows the user to quickly glance at the power flow and status of the input sources without connecting to the unit.
Wide range of input and output connections
Product family includes a variety of input and output connections to distribute 120V, 208V, or 230V power to multiple outlets. Having a variety of inputs and outputs allow users to adapt to varying power requirements. APC offers units that bring up to 17.3kW using a single branch whip.
Transfer time <10ms
Industry leading transfer time to ensure seamless ride through in the event of a primary power source failure.
Dual Input Power Sources
Supplies redundant AC power to connected equipment. Two AC lines power the unit and if the primary AC power fails, the unit will automatically switch to the alternative power source.
Antigua and Barbuda, Anguilla, Netherlands Antilles, Argentina, Aruba, Barbados, Bermuda, Bolivia, Brazil, Belize, Canada, Chile, Colombia, Costa Rica, Dominican Republic, Ecuador, Spain, Guatemala, Guyana, Honduras, Jamaica, South Korea, Mexico, Nicaragua, Panama, Peru, Puerto Rico, Paraguay, El Salvador, Trinidad and Tobago, Taiwan, United States, Uruguay, Venezuela, U.S. Virgin Islands
Maximum Total Current Draw
Number of Power Cords
Maximum Input Current
Regulatory Derated Input Current (North America)
0 - 45 °C
Operating Relative Humidity
0 - 95 %
0 - 3048meters
-25 - 65 °C
Storage Relative Humidity
0 - 95 %
0 - 15240meters
cUL listed, FCC part 15 class A, METI Denan, UL listed, VCCI
2 years repair or replace
Sustainable Offer Status
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