Victron Energy REL100100000 Anti-Islanding Relay UFR1001E

The Ufr1001e Monitors Voltage And Frequency In Plants For Their Generation Of Electricity

It fulfills the requirements of VDE-AR-N 4105 blew-directive, G59/3, G83/2, and ÖVE/ÖNORM E 8001-4-712:2009 for generators connected to the public grid.

The UFR1001E is a dual-channel device and thus one-fault-proof. The function of the output relays and of the connected switches can be monitored with feedback contacts. When a connected switch does not switch off, the UFR does not switch on again. When a switch does not switch on it makes 2 restarts and thus improves the availability of the monitored plant.

The limits are pre-set according to VDE-AR-N 4105-2011-08, VDE-AR-N 4105:2018-11, and other standards. They can be changed if required and be protected with a code and/or a seal.

With a 2-step test, both channels can be tested individually and the triggering time of connected switches is measured.

The standby input allows a remote shutoff e.g. with a RCR.

Features:

• Monitors voltage and frequency for electricity generation
• Passive anti-islanding protection
• Under and Overvoltage Monitoring 15-520V
• Measuring Phase-Neutral or Phase-Phase
• Monitoring of Under and Over-frequency 45-65Hz
• Monitoring of Quality of Voltage (10-minutes average)
• Monitoring of Vector Shift 2-65°
• Monitoring of Rate of Change of Frequency (ROCOF, df/dt) 0,100-5,000 Hz/s
• One-Fault-Proof with Monitoring of Connected Switches (Ineffective when using the integrated switch of PV and battery inverter acc. to DIN EN 62109 (VDE 0126-4))
• 2 Automatic Restarts at Error
• Passive Anti-Islanding Protection (acc. to ch. 6.5.3 and app. D2)
• Switching Delay Adjustable 0.05-300 s
• Switching Back Delay Adjustable 0-6.000 s
• Alarm Counter for 100 Alarms (Trip value, cause, and rel. timestamp)
• Record of Added Times of Alarms
• Input for Standby with Counter and Recording of Time
• Test Button and Simulation with Measuring of Switching Times
• Sealing: All values can be read out when sealed
• Easy Installation and Programming with Pre-Set Programs
• Housing for DIN-Rail-Mount, 105mm wide, Mounting height 66mm

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