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Expert PDU Energy 8311

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

Expert PDU Energy 8311 enables power distribution and metering of electrical appliances through TCP/IP network. The front panel disposes of 7 load outlets with safety socket. There are two energy meters integrated. SNMPv3, SSL, IPv6 and Telnet, Radius and Modbus TCP support are incorporated.

Expert PDU Energy 8311 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 metered PDU is available in versions with and without residual current metering type A.


Expert PDU Energy 8311


  • 7 load outlets safety socket
  • Metering of energy and electrical dimensions
  • Residual current monitoring type A (8311-2)
  • Backlit two-line LCD display
  • Interface for optional sensors
  • IPv6-ready
  • SNMPv3, SSL,Telnet, Radius, Modbus TCP


  • 7 load outlets on front panel (safety socket)
  • Metering of energy, current, power factor, phase angle, frequency, voltage and active / apparent / reactive power per power input
  • 2 energy meters, one meter continuously, the other resettable 
  • Residual current monitoring type A (8311-2)
  • 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 Schuko (max. 16 A)Network interfaceMetering electr. dimensionsEnergy meterResidual Current MonitoringInterface for external sensorsInterface for calibrated sensors
Electrical Connections
1 power supply safety plug (max. 16 A)
7 load outlets safety socket (max. 16 A)
1 Ethernet connector RJ45 (10/100 Mbit/s)
1 sensor interface (RJ45) for optional sensor
Technical Details
19 inch, 1 height unit
LxHxD: 43.4 x 4.4 x 4.4 cm (without brackets)
Weight: 1.1 kg
Operating temperature: 0-50 °C
Storage temperature: -20 - 70 °C
Relative humidity: 0 - 95 % (non-condensing environment)
Order code
8311-2 (residual current metering type A)
Scope of delivery
Expert PDU Energy 8311-1 / 8311-2
Quick start guide
Description File name Version Date Size Changes to previous version/Comments
Manual manual-epdue8311-series.pdf 1.3.2 15/03/2021 3.25 MB

User manual

Product Brief gude-product-brief-epdue8311-series.pdf 04/04/2019 266.36 KB

Short product description

Quick Start Guide schnellstart_quickstart_ip-devices.pdf 1.4 23/09/2019 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 1.3.13 19/02/2021 625.59 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