The universal protection device is especially designed for a cost-effective and flexible protection in distribution networks, industry and infrastructure as well as back-up protection in high-, medium and low voltage substations.

The device in a housing of 1/6x 19 inch is equipped with a graphic and clear color display and corresponds to the current cybersecurity standards and environmental product declaration according to ISO 14021, based on a life cycle assessment/life cycle analysis according to ISO 14040/44.

Applications:

• Universal device for feeders, motors and voltage-/frequency applications
• Detection of short circuits in electrical equipment in radial networks, lines fed on one or both sides, parallel lines and open or closed ring networks of all voltage levels
• Detection of ground faults in isolated or arc-suppression-coil-ground power systems in star, ring, or meshed arrangement
• Backup protection for differential protection devices of all kind for lines, transformers, generators, motors and busbars
• Protection and monitoring of simple capacitor bank
• Reverse-power protection
• Load shedding applications
• Automatic switchover
• Renewal of obsolete protective devices

Features

• Directional and non-directional time overcurrent protection with additional functions
• Optimization of the tripping times by direction comparison
• Detection of ground faults of any type in isolated or arc-suppression-coil-ground systems using the following functions: 3I0>, V0>, fleeting contact, Cos-/SinPhi, harmonic, dir. detection of intermittent ground faults and admittance
• Ground fault detection using the pulse location method
• Frequency protection and frequency change protection for load shedding applications
• Automatic frequency relief for load shedding in case of underfrequency, taking account of changed infeed conditions due to decentralized power generation
• Power protection, configurable as active or reactive power protection

• Protection functions for capacitor banks, such as overcurrent, overload, current unbalance, peak overvoltage protection
• Reactive power-undervoltage protection (QU protection)
• Ruggedized and space saving design for high electric strength and installations in harsh environments
• Easy integration and retrofit e.g. of detection of temporary earth faults
• Graphical logic editor to create powerful automation functions and switching sequences in the device according to IEC 61131-3 standard
• Detection of current and voltage signals with high accuracy for selected protection functions and operational measured values
• Integrated, redundant Ethernet interface for Ethernet based protocols:

IEC 61850 Ed1 and Ed2.1, Modbus TCP, Profinet, DNP3, IEC 60870-5-103freely configurable and activated at any time via the engineering tool  

• Reliable data transmission via Ethernet redundancy protocols PRP and HSR for high availability station communication
• IoT interface for integration in cloud based platforms
• Powerful fault recording (buffer for a max. record time of 80 sec. at 8 kHz or 320 sec. at 2 kHz)
• Easier, faster and more secure access to the device via the web browser:

Download of files according to IEEE C37.239 COMFEDE via https connection

Fault recording: Download, delete and start fault records

Display of single line diagrams and individual device pages of the display, messages, vector diagrams of the quantities fed in

Parameterization: Changing the setting values ​​within an active parameter group

• Time Synchronization: SNTP
• Role-based Access Control (RBAC) with central user management in RADIUS/Active Directory
• Protection against unauthorized access to device through inbuilt RADIUS authentication and authorization option
• Standard roles and rights in adherence to standards and guidelines such as IEC 62351-8, IEEE 1686 and BDEW White paper
• Syslog support for central recording and logging of security-relevant events and alarms in accordance with the requirements and regulations such as IEEE 1686, IEC 62443 and BDEW Whitepaper
• Individual Assignment of write and read permission for each device port
• Auxiliary functions for simple tests and commissioning

Housing

Robust hardware in the form of a closed housing for maximum strength in terms of voltage, EMC, climate and mechanical stress in accordance with the IEC 60255 product standard

Housing width 1/6 x 19 inches with graphic display (320x240 pixels), keyboard and 8 two-color light-emitting diodes for on-site operation.

On-site control unit

Display for text and display to show bay control images and for measured values ​​and display of event lists.

• 12-part keypad in combination with 4 navigation keys and 2 keys for quick navigation and display.
• 2 LEDs for the status of the current device operating status.
• 8 LEDs for quick and targeted process feedback. Labeling of the LED directly in the display.
• USB interface for fast data transfer accessible from the front.

Front view:
X Standard
O US
Mounting type:
X Built-in device

O Surface-mounted device with integrated on-site operating unit
(with mounting frame)

Binary inputs and outputs / measuring inputs

X 4 BI, 5 BO (4 F, 1 Life), 4x Ip, 4x VT; 1/6 x 19 inch

O 4 BI, 5 BO (4 F, 1 Life), 3x Ip, 1x Iee, 4x VT; 1/6 x 19 inch

O 14 BI, 11 BO (10 F, 1 Life), 4x Ip, 4x VT; 1/6 x 19 inch

O 14 BI, 11 BO (10 F, 1 Life), 3x Ip, 1x Iee, 4x VT; 1/6 x 19 inch

O 17 BI, 8 BO (7 F, 1 Life), 4x Ip, 4x VT; 1/6 x 19 inch

O 17 BI, 8 BO (7 F, 1 Life), 3x Ip, 1x Iee, 4x VT; 1/6 x 19 inch

Rated auxiliary voltage

X DC 24 - 250 V/AC 100 V - 230 V

Communication

• USB operator interface on the front for notebook or PC

• Serial interface, rear side, 1x RJ45

• Integrated redundant Ethernet interface

x 2x optical duplex LC 1300 nm interface, configurable with or without

  integrated switch. The maximum optically permitted distance via 50/125 µm   

  or 62.5/125 µm multimode optical fibers is 2 km.

The optical transmission and reception level are measured in the module and can be displayed.

O 2x electrical RJ45 interface, configurable with or without integrated switch. The maximum permitted distance via CTA 5 patch cables is 20 m.

The required communication protocol can easily be configured and activated via the engineering tool

• Ethernet protocols

IEC 61850 Edition 2.1

IEC 61850-8-1 GOOSE

Modbus TCP

Profinet IO
DNP3

IEC 60870-5-104

• Serial protocol
  IEC 60870-5-103
  DNP3
  Modbus RTU
• Additional Ethernet protocols and services
  DHCP, DCP (with automatic IP configuration)

Line mode
RSTP, PRP, HSR Ethernet ring redundancy

SNTP time synchronization via Ethernet

Preconfiguration with function points

X 0 Function points

O 20 Function points

O 50 Function points

O 100 Function points

O 150 Function points

O 200 Function points

Functionality

The protection device can be equipped with the following protection functions:

X Basic function package (current based functions and cybersecurity)

• Protection functions for 3-pole tripping

• Locked rotor (14)
• Undercurrrent (37)
• Temperature supervision (38)

• Negative sequence overurrent protection I2> (46)
• Unbalanced load protection (thermal) (46)

• Thermal overload protection (49)
• Thermal overload rotor protection (motor) (49R)
• Overcurrent protection, phases (50/51)
• Instantaneous tripping at switch onto fault SOTF
• Instantaneous high-current tripping I>>> (50Hs)
• Overcurrent protection with positive-sequence current I1 (50/51)
• Overcurrent protection, ground (50N/51N)
• Overcurrent protection, 1-phase (50N/51N)

• Sensitive ground-current detection for systems with resonant or isolated neutral a)3I0>, c)3I0-harm> (50Ns/51Ns)

Ground-fault detection via pulse pattern detection

  Intermittent ground fault protection IIE>

• Circuit-breaker failure protection, 3-pole (50BF)
• Circuit-breaker restrike protection (50RS)
• Peak overvoltage protection, 3-phase for capacitors (59C)
• Current-unbalance protection for capacitor banks (60C)
• Trip-circuit supervision (74TC)
• Closed-circuit supervision (74CC)
• Automatic reclosing, 3-pole (79)
• Restricted ground-fault protection (87N)
• Measured values - extended: Min, Max, Avg
• Switching statistic counters
• PQ - Basic measured values: THD (Total Harmonic Distortion) and harmonics (current)
• CFC Logic editor (Standard, control, arithmetic)
• Switching sequences function
• Inrush-current detection
• External trip initiation
• Control
• Fault recording of analog and binary signals
• Monitoring and supervision
• Cybersecurity: Role-Based Access Control (RBAC)
• Slow-Scan recorder
• Continous recorder
• Trend recorder

O Voltage based function package

• Voltage measurement
• Overexcitation protection (24)
• Synchrocheck, synchronizing function (25)
• Undervoltage protection: "3-phase" or "positive-sequence V1” or

“Universal Vx” (27)

• Rate-of-voltage-change protection (27R/59R)

Undervoltage controlled reactive power protection (QU protection)

• Power protection active/reactive power (32, 37)
• Reserve power protection -P< (32R)
• Negative-sequence system overcurrent protection with direction (46)
• Overvoltage protection, „negative system V2“ or “Negative-sequence V2/positive-sequence V1" (47)
• Overcurrent protection voltage dependent (51V)
• Overvoltage protection, "3-phase" or "zero-sequence system V0" or "universal Vx" (59, 59N)
• Overvoltage protection according CEI 0-16 standard
• Voltage-comparison supervision DU> (60)
• Directional time-overcurrent protection, phase(67)
• Directional time-overcurrent protection for ground-faults(67N)
• Directional sensitive ground-fault detection for systems with resonant or isolated neutral incl. a) 3I0>, b) V0>, c) Cos-/SinPhi, d) Transient ground fault fct, e)Phi(V,I), f)admittance (67Ns)

Directional intermittent ground-fault protection

• Frequency protection "f>" or "f<" or "df/dt" (81)
• Underfrequency load-shedding (81U)
• Vector jump protection
• Fault locator, single-side (FL)
• Fault locator plus, single-side (FL)

O Starting-time supervision for motors (48)

O Load-jam protection (50L)

O Restart inhibit for motors (66)

O Communication package

• IEC 61850-8-1
• Modbus TCP
• Profinet
• DNP3
• IEC 60870-5-103
• Redundancy protocols RSTP/PRP/HSR

O PQ- Basics Voltage unbalance (requires "Voltage based functions")

O PQ- Basics Voltage Variations - voltage dips, swells and interruptions (requires "Voltage based functions")

O PQ- Basics TDD, Total Demand Distortion

O PQ-10/12 Cyclic values for continous recorder

O PQ-Trend values for trend recorder

O PQ-Flicker values for trend recorder