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Data Centre Facilities arrow Switched CDU arrow Switched CDU CW-16V

Switched CDU CW-16V

Price per Unit (piece):
Contact us for availability


Switched Power Control via IP with remote monitoring & management, including remote reboot to connected servers and network equipment; mid-density

The Switched CDU 16V combines remote configuration and management with power distribution, power monitoring and environmental monitoring. Reboot a single or dual-power server with one command. Receive SNMP alerts when power or environmental conditions exceed thresholds. Assign users specific access rights to designated outlets or groups.

Only our Switched CDU products provide the flexibility needed for all data centers and remote sites; including support for 20-amp or 30-amp power input; 100-120V, 208-240V or European 230V configuration; UL 60950-1 branch circuit protection; SSL & SSH security; and SNMP-based input current monitoring. For cabinets with mid-density servers, this cabinet distribution unit delivers unparalleled remote management solutions.

Specifications and Features

Sentry Switched CW-16V CDU Specifications

Item # Available Input
Rated Amperage Available Input Cord Outlets Dimensions
CW-16V1-C20M 100-120V
20A IEC 60320/C20
Power Inlet
(16) NEMA 5-20R 44.40" (L)
 1.75" (W)
 2.25” (D)*
CW-16V1-L30M 100-120V
30A NEMA L5-30P Cord set (16) NEMA 5-20R 44.40” (L)
 1.75" (W)
 2.25” (D)*
CW-16V2-C20M 208-240V
20A IEC 60320/C20
Power Inlet
(16) IEC 60320/C13 49.5” (L)
 1.75" (W)
 2.25” (D)*
CW-16V2-L30M 208-240V
30A NEMA L6-30P Cord set (16) IEC 60320/C13 49.5” (L)
 1.75" (W)
 2.25” (D)*
CW-16VE-C20M 230V
16A IEC 60320/C20 Power Inlet (16) IEC 60320/C13 49.5”(L)
 1.75" (W)
 2.25” (D)*
CW-16VE-P32M 230V
32A IEC 60320/C20
Power Inlet
(16) IEC 60320/C13 49.5” (L)
 1.75" (W)
 2.25” (D)
Additional Specifications
Standards Power Cords

> CTUVus – UL 60950-1-2003
> CAN/CSA 22.2 No. 60950-1:2003
> TUV_GS – EN60950-1:2001

> 10/100 BaseT Ethernet
> SSLv3/TLSv1
> SNMPv2

> Temperature & Humidity Probe Option
> EMTH-1-1 Temperature & Humidity Probe, 10’

> PTCORD-1 IEC 60320/C19 - NEMA L6-20P (20A Twist-Lock) 10’
> PTCORD-2 IEC 60320/C19 - Schuko 10’
> PTCORD-3 IEC 60320/C19 - IEC 60309 (BS4343, CEE17) 16/20A     Blue (UK Commando) 10’
> PTCORD-4 IEC 60320/C19 - BS1363 13A (UK) 10’
> PTCORD-5 IEC 60320/C19 - 5-15P (15A Straight-Blade) 10’
> PTCORD-6 IEC 60320/C19 - 5-20P (20A Straight-Blade) 10’
> PTCORD-7 IEC 60320/C19 - L5-20P (20A Twist-Lock) 10’
> PT-ADP-C19 Cable mount IEC 60320/C19 Connect

*3.0" depth reflects depth with fuse retractors

20 or 30 Amp Power Input Support

20-amp power input support - IEC320/C20 power inlet receptacles supports any power cord with IEC320/C19 power connector (PTCORD-XX). 30-amp power input support provides hard-wired 10' cord and appropriate L5-30 or L6-30 plug type.

24-character Outlet Receptacles Names

Use the firmware interface (Web or serial) to edit individual outlet receptacles. Identify each receptacle with the device's serial number, IP address, asset allocation #, department or any other method to individually name outlets.

Add a Second Tower

Connect an Expansion Module to any Sentry Smart or Switched CDU to control two power input circuits and 32 managed outlets (individual or groups) - our exclusive strategy for managing dual power-supply servers.

Firmware Flash Upgradeable

Access new firmware updates via FTP for new firmware features and code releases. An update to the firmware does not affect the status of the power outlets.

HTTP/HTTP's Web Configuration & Control

Use the Sentry Web interface to configure each unit, including network settings, outlet naming & grouping, SNMP traps for environmental & power thresholds and firmware updates. Also use the Web interface to control individual or group outlets and monitor key values, including amperage load(s), temperature/humidity and other environmental conditions. SSL security provides a secure HTTP's connection.

Integrate Environmental Monitoring

The EMCU - Environmental Monitor integrates easily with any Sentry Smart or Switched CDU, or the Power Tower XL. Locate the EMCU in the equipment cabinet with a CDU, link it to the CDU and view temperature, humidity, water sensing and dry contact closures from the same CDU or PTXL interface you use to manage and monitor the power.

Integrated Temp/Humidity Probes

Two (2) RJ-style connectors located on the face panel of the CDU's enclosure provide support for two (2) Integrated Temperature & Humidity Probes with ten-foot (10') cables provide real-time measurements in the data center cabinet.


LDAP (Lightweight Directory Access Protocol) is a software protocol for enabling anyone to locate organizations, individuals, and other resources such as files and devices in a network, whether on the public Internet or on a corporate intranet. Sentry firmware code 5.3b and newer includes support for LDAP v3 and is configurable to operate with any Directory Service. It has been tested with these Directory Services: Microsoft’s Active Directory, Novell’s eDirectory, OpenLDAP

Load Sense

Individual input current monitoring ("Load Sense") provides real-time power measurement of the load in amps on each power inlet, accessible via firmware interface.

Remote Power Control

Individual or group outlet remote power control to cycle power and reboot any selected server(s) or other network device(s).  Use TCP/IP (HTTP, HTTPS, SSH, Telnet, SNMP) or RS-232 to communicate with each Sentry and rectify locked-up network devices. Assign outlets to a group for control of dual-power supply servers and other gear with a single command.  Create an unlimited number of groups with any combination of outlets associated to each group. Reduce Mean Time to Repair (MTTR) of a failing server by controlling individual power outlet receptacles to reboot any selected server or other device.

RS-232 Control

Serial control via any device with a bi-directional serial port, including a PC, laptop, KVM switch, Console Port Access switch, or terminal server.

Secure Access - SSH or SSL Protection

Secure Shell (SSH), sometimes known as Secure Socket Shell, is a Unix-based command interface and protocol for securely getting access to a remote device.  Sentry supports SSHv2. Secure Sockets Layer (SSL) is a commonly-used protocol for managing the security of a message transmission on the Internet. SSL is an integral part of most Web browsers (clients) and Web servers.  Sentry supports SSLv3/TLSv1.

SNMP Management & Event Notification

The Sentry family of products supports the Simple Network Management Protocol (SNMP). This allows network management systems to use SNMP requests to retrieve information and control power for the individual outlets. The Sentry includes an SNMP v1 agent supporting standard MIB I and MIB II objects. A private enterprise MIB extension (Sentry3 MIB) is also supported to provide remote power control. SNMP traps can be generated for various events, including Input Current Load Thresholds (min & max), Temperature Thresholds (min & max), Humidity Thresholds (min & max), water indication, closed contacts (cabinet doors open/close), as well as notification of any time an outlet status is changed (on/off).

Zero U Enclosure

A vertical enclosure that occupies Zero Vertical U of rack space in the equipment cabinet. It mounts on the back rails or in the cavity space of the cabinet.


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