• Event and schedule controlled switching

• Connection of AC and DC consumers with different voltages and connection types

• Outlet-metered for all DC connectors

• 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 110-230 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

• Zero Voltage Switching (ZVS) avoids high switching currents by switching at the zero crossing of the AC voltage

Metering function

• Power consumption metering (kwH) with 2 energy counters: one counter counts consistently, the other counter is resettable

• DC outlet-metering

• 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 surge protection (SPD) 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

• Support for the 802.1X standard for port authentication in the network

• 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

Technical Details

• Integrated type 3 surge protection (SPD), (L-N, L/N-PE), status retrievable via network

• High-inrush relay: max. 4 sec: 30 A /max. 20 ms: 80 A

• Measurement of key electrical parameters: current (A), voltage (V), phase angle, power factor, frequency (Hz), active power (W), apparent power (VA) and reactive power (VAr)

• Outlet-metering for all DC connectors

• Measurement of residual current type A (mA)

• Typical deviation in zero voltage switching with temperature compensation: ± 0.8 ms

• Encrypted communication through SSL (TLS 1.1, 1.2, 1.3) and SSH

• 19-inches, 1 HU

• LxWxH: 43.9 x 24.1 x 4.4 cm (without mounting brackets)

• Weight: approx. 4.4 kg

• Operating temperature: 0-50 °C

• Storage temperature: -20 – 70 °C

• Relative humidity: 0 – 95 % (non condensing)

Electrical Connections

• 1 power supply IEC C20 (max. 16 A, 110-230 V)

• 4 power ports IEC C13 (max. 10 A)

• 12 power ports industrial clamp, 12 V DC or 24 V dc (max. 4 A)

• Current distribution of the banks: 5 V (max. 8.8 A), 12 V (max. 6 A), 24 V (max. 12.5 A)

• 5 power ports industrial clamp or USB A (no data transfer), 5 V DC (max. 3 A)

• 1 Ethernet connector RJ45 (10/100 Mbit/s)

• 1 serial interface RS232 (Sub-D, 9-pin)

• 2 connectors (RJ45) for plug-&-play sensors

Order code

• 8291-2

Scope of delivery

• Expert Power Control 8291-2

• 1 connection cable (Safety socket type F – IEC C19), length: 2 m

• Quick start guide

• Support for: HTTP/HTTPS (REST API) JSON, SNMP, Modbus TCP, Telnet, SSH und MQTT 3.1.1

• Overview of GUDE’s comprehensive API (Application Programming Interface)

• HTTP/HTTPS, E-Mail (SSL, SSH, STARTTLS)

• Configuration and control via Telnet and SSH

• NTP function can be activated

• Supports Syslog

• Supports RADIUS authentication

• 802.1X port authentication

• 10/100 Mbit/s

• SNMPv1, v2c, v3 (Get/Traps)

• TLS 1.1, 1.2, 1.3

• IPv6-ready

Manual

Product Brief

Quick Start Guide

Layout

3D model

CE Declaration

PSTI Declaration

Firmware EPC 8291-1

Firmware EPC 8291-2

Windows Config Tools

Linux Config Tool

Locations

• Industrial environments: Production facilities, solar installations, manufacturing rooms, warehouses or test labs

• IT installations: distributed infrastructures, equipment rooms, KVM, network closets, server racks, 19″ cabinets, data centers or server rooms

• AV environments: Huddle rooms, conference rooms, theaters, cinemas, marine environments, smart home, meeting rooms, courtrooms, lecture halls in universities, LED walls or digital signage systems (DooH)

Application

• Switching and control of servers and IT devices in the server room and data center

• Switching of network or media devices by media controls of well-known AV manufacturers (AMX, Atlona, Barco, Crestron, Extron, Neets, QSC, Utelogy)

• Remote reboot of PCs, servers, routers and switches

• Reduction of power consumption and thus lower CO2 emissions from standby devices

• Network monitoring with with integration in monitoring software (PRTG, Icinga, Nagios, Power IQ, Tivoli)

• Environment monitoring with plug-and-play sensors (temperature, humidity and air pressure)