The Expert PDU Energy 8311 (Models 8311-15 and 8311-16) is a premium, German-engineered 20-outlet metered PDU designed to maximize uptime, security, and energy efficiency in professional IT and AV installations. Featuring 4 IEC C19 and 16 IEC C13 non-switchable outlets, it delivers precise power monitoring and proactive environmental sensing, helping operators identify potential issues before they affect critical equipment. The 8311-16 further enhances safety with integrated Type-A residual current monitoring.
The unit continuously measures current, voltage, frequency, phase angle, power factor, active, apparent, and reactive power, while dual energy counters provide both lifetime and resettable kWh tracking. An integrated sensor port supports plug-and-play temperature, humidity, and air-pressure sensors, enabling early detection of overheating and adverse environmental conditions. A clear LED display presents key operating data, including total current, IP address, and sensor values.
Seamless integration is achieved through support for REST API, HTTPS, SNMP, MQTT, Telnet, SSH, Modbus TCP, RADIUS, DHCP, and NTP, making the PDU compatible with virtually any DCIM, BMS, or AV management platform. Free partner drivers accelerate deployment and reduce commissioning time.
Comprehensive security features include TLS 1.1/1.2/1.3 and SSH encryption, IEEE 802.1X authentication, IP-based access control, password protection, and alarm notifications via e-mail, syslog, SNMP traps, MQTT, SSH, and Telnet. A built-in audible alarm immediately alerts personnel when environmental thresholds are exceeded. Firmware can be updated over Ethernet without interrupting operation, ensuring continuous availability.
Key Benefits
- Reduced downtime through proactive power and environmental monitoring.
- Lower electricity costs and CO₂ emissions via detailed energy metering.
- Fast, seamless integration with enterprise monitoring and automation systems.
- Enhanced network and physical security for mission-critical infrastructure.
- Exceptional reliability and build quality, proudly made in Germany.
Key Specifications
- Outlets: 4 × IEC C19 and 16 × IEC C13 (non-switchable)
- Variants: 8311-15 (standard) and 8311-16 (with Type-A residual current monitoring)
- Metering: Current, voltage, frequency, phase angle, power factor, active/apparent/reactive power, energy, and residual current
- Energy Counters: Two kWh counters (one permanent and one resettable)
- Sensor Interface: 1 × plug-and-play environmental sensor port
- Management Protocols: REST API, HTTPS, SNMP, MQTT, Telnet, SSH, Modbus TCP, RADIUS, DHCP, and NTP
The Expert PDU Energy 8311 is an ideal choice for data centers, broadcast facilities, and professional AV racks seeking precise energy monitoring, robust security, and maximum operational reliability.




