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Expert PDU Energy 8311-15 Series

20-fold metered PDU with integrated current metering and monitoring for TCP/IP networks

Expert PDU Energy 8311-15 enables power distribution and metering of electrical appliances through TCP/IP network. The front panel disposes of 20 load outlets: 4 IEC C19 and 16 IEC C13. There are two energy meters integrated. SNMPv3, SSL, IPv6 and Telnet, Radius and Modbus TCP support are incorporated.

The appliance disposes of two energy meters and allows measuring of various electrical dimensions. A clearly visible and lighted LCD display (two-line) provides all relevant device information. The sensor interface allows monitoring of ambient temperature, humidity and air pressure by optional available sensors.

The device is also available with integrated residual current metering type A (Expert PDU Energy 8311-15).


Expert PDU Energy 8311-15 Series


  • 4 IEC C19 and 16 IEC C13 outlets
  • Metering of energy and electrical dimensions
  • Backlit two-line LCD display
  • Residual current monitoring (8311-16)
  • Interface for optional sensors
  • IPv6, SNMPv3, SSL,Telnet, Radius, Modbus TCP


  • 20 load outlets on front panel: 4 IEC C19 and 16 IEC C13
  • Case allows vertical mounting in 19 inch racks (0 rack unit)
  • Metering of energy, current, power factor, phase angle, frequency, voltage and active / apparent / reactive power per power input
  • 2 energy meters for each power input, one meter continuously, the other resettable 
  • Residual current monitoring type A (8311-16)
  • Backlit two-line LCD display
  • Interface for optional sensors for environmental monitoring (temperature, humidity and air pressure)
  • Low internal power consumption
  • Developed and manufactured in Germany


  • Dynamic IP address allocation by DHCP or manual allocation with static IP address
  • IPv6-ready
  • Firmware update over Ethernet during operations (without reboot of device or load outlets)
  • SNMPv1, v2c, v3 (Get/Traps)
  • TLS 1.0, 1.1, 1.2
  • Syslog support
  • IP Access Control List
  • Secure login through SSL
  • Configuration and control via Telnet
  • Radius and Modbus TCP support
  • Comfortable configuration by web browser, Windows or Linux tool
  • 10/100 Mbit/s
Load outlets IEC (max. 16 A)Load outlets IEC (max. 10 A)Network interfaceMetering electr. dimensionsEnergy meterResidual Current MonitoringInterface for external sensorsInterface for calibrated sensors
Electrical Connections
1 power supply safety plug (max. 16 A)
4 load outlets IEC C19 (max. 16 A)
16 load outlets IEC C13 (max. 10 A)
1 Ethernet connector RJ45 (10/100 Mbit/s)
1 sensor interface (RJ45) for optional sensor
Technical Details
19 inch, 1 height unit
LxHxD: LxHxT: 95 x 4,5 x 4,5 cm (without brackets)
Weight: 1.7 kg
Operating temperature: 0-50 °C
Storage temperature: -20 - 70 °C
Relative humidity: 0 - 95 % (non-condensing environment)
Order code
8311-16 (residual current metering type A)
Scope of delivery
Expert PDU Energy 8311-15, 8311-16
Quick start guide
Description File name Version Date Size Changes to previous version/Comments
Product Brief gude-productbrief-epdue8311-series.pdf 30/06/2021 1.80 MB

Short product description

Manual manual-epdue8311-series.pdf 1.3.2 15/03/2021 3.25 MB

User manual

Quick Start Guide schnellstart_quickstart_ip-devices.pdf 1.4 12/04/2021 914.35 KB

Quick start guide (leaflet)

Declaration ce-declaration-epdue8311-series_01-12-2020.pdf 01/12/2020 1.07 MB

CE declaration of conformity

Firmware 1.4.5 29/07/2021 770.37 KB

Latest firmware and MIB table as zip file. Firmware can be installed via webinterface of device.

Revision history

System Tool 2.7.13 10/02/2021 755.47 KB

Windows-Tool for firmware updates and network configuration

System Tool gblc-v0.7.11.tar.gz 0.7.11 11/08/2015 139.15 KB

Linux-Tool for firmware updates and network configuration