21-fold switched AC/DC PDU

Expert Power Control 8291-1 for more operational security and energy efficiency in 19-inch installations
  • Demonstrably fewer and shorter outages of your critical IT and AV infrastructure
  • Detect AV and IT problems at an early stage: Proactive power and environment monitoring
  • Measurably increased energy efficiency (Green IT and AV): Electricity cost and CO2 savings through controlled switching off of devices
  • Integrate anywhere: Quickly and easily integrate anywhere with API interface: REST API, HTTPS, SNMP, Telnet and MQTT
  • Fix AV and IT problems quickly and effectively: Remote reboot or with the self-healing function (automatic restart) thanks to integrated watchdogs
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made in germany
made in germany
made in germany
Massive time and cost savings through plug-and-play drivers from our technology partners
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Features

Technical specifications

Protocols/API

Downloads

Use cases

Key Features
  • Event and schedule controlled switching
  • Connection of AC and DC consumers with different voltages and connection types
  • Precise current metering of up to 9 units and residual current
  • 2 connectors for plug-and-play sensors
  • Fast and easy installation
  • NTP function can be activated
  • Integrated overvoltage protection type 3
  • Each DC output is fused via an eFuse
Switching function
  • Each power port can be switched via HTTP/S, Telnet, SSH, SNMP or command line interface, as well as via serial interface
  • 17 DC switchable power ports with 24 V, 12 V and 5 V (industrial clamp, USB a)
  • 4 AC switchable power ports with 230 V (IEC C13)
  • Programmable on/off sequences for remote reboots (Remote Reboot)
  • Power ports can be switched when preset sensor thresholds are exceeded
  • Self-healing function thanks to 21-channel watchdog: Each power port can be assigned its own Watchdog (ICMP/TCP), which initiates an automatic restart if necessary
  • Switching state and switch-on delay up to 9999 seconds (166 minutes) individually adjustable for each output port after power failure
  • Current peaks due to increased inrush currents are automatically prevented by sequential switch-on with a latency of 1 second

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Metering function
  • Power consumption metering (kwH) with 2 energy counters: one counter counts consistently, the other counter is resettable
  • Current metering for 5 V, 12 V and 24 V
  • Maximum available DC current per port: 4 A
  • Current distribution of the banks: 5 V (max. 8.8 A), 12 V (max. 6 A), 24 V (max. 12.5 A)
  • Metering of current (A), voltage (V), phase angle, power factor, frequency (Hz), active power (W), apparent power (VA) and reactive power (VAr)
  • Metering of differential current type A (mA)
  • 2 connectors for combined plug-and-play sensors (temperature, humidity and air pressure) to prevent often occurring physical hazards like overheating and increased humidity or air pressure
Security
  • Integrated type 3 overvoltage protection prevents damage to the device and connected loads
  • Each power port is protected against short circuits thanks to integrated eFuse
  • Integrated industrial power supply (max. 300 W) with active harmonic filter (PFC)
  • MTBF value of the pwoer supply unit: Approx. 1.8 milion operating hours
  • Long-life High-Inrush Relays prevent welding of relay contacts during inrush current peaks
  • Generation of status messages and alarms (e-mail, syslog, SNMP traps MQTT, SSH, Telnet)
  • Encrypted communication through SSL (TLS 1.1, 1.2, 1.3) and SSH
  • Access protection by IP access control
  • Encrypted communication through SSH
  • Password protected access
  • Beeper for audible alarm when sensor limits are exceeded/deceeded
Operation
  • Easy-to-read LED display for displaying total current, IP address and sensor values
  • Firmware update via Ethernet during operation (no restart required)
  • Simple and flexible configuration via web browser, Windows or Linux program
  • Dynamic assignment of an IP address via DHCP or manual assignment of static IP address
  • Rapid commissioning thanks to free and reliable drivers from our technology partners
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Suitable accessories

Temperature/Humidity Sensor for GUDE units with RJ45 connector

Part number
7105
Connection
RJ45, plug-and-play
Measuring parameter
Temperature, humidity
Compatibility
PDU/monitoring Systems from GUDE

Temperature/Humidity/Air Pressure Sensor for GUDE units with RJ45 connector

Part number
7106
Connection
RJ45, plug-and-play
Measuring parameter
Temperature, humidity, air pressure
Compatibility
PDU/monitoring Systems from GUDE

Desk/Wall Mount for 19-inch devices

Part number
0871
Number fixation brackets
2
Mounting
19 inch, 1 RU

Description

The Expert Power Control 8291-1 is a network-compatible power distribution unit that has 21 power ports with different power supply voltages on the back. The connected loads can be switched on or off as required and the total power consumption can be monitored, making the PDU a must-have in AV and IT installations, as well as small data centers.

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The power ports of the Expert Power Control 8291-1 can each be switched separately via a web interface, serial interface, SNMP or the buttons on the device. Safety is a top priority: Each DC power port is protected with its own eFuse, so that short circuits in connected devices have no effect on other loads. Furthermore, a type 3 overvoltage protection is integrated and prevents damage to the device and connected loads. Up to 21 AV and IT devices can be connected in total. The special feature: Thanks to the integrated power supply, AC and DC consumers with different voltages and connection types can be supplied, measured and controlled (PCs, servers, monitors, amplifiers, routers, NAS, external drives, etc.). Another advantage: The integrated industrial power supply  in the Expert Power Control 8291-1 eliminates the need for plug-in power supplies for the connected loads.

The Expert Power Control 8291-1 supports SNMPv3, SSL, SSH and IPv6, as well as Telnet, Radius and Modbus TCP. Metereing of a wide range of electrical variables enables the user to identify and exploit power saving potential in IT environment. In addition, the user receives warning messages when fault currents occur (residual current measurement type A). This enables preventive maintenance measures to be taken even before downtimes occur.

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