The MCDLV4 protection system protects cables and lines up to 40 km. The system is able to replace up to six protection devices.
+ 2 Cable and Line Differential Devices
+ 2 Directional Feeder Backup Devices
+ 1 In-Zone Transformer Differential Device
+ 1 Mains Decoupling Device
_________________________________________________
e= 6 devices combined in one systemThe protection functions of the MCDLV4 have been adapted to comply with the requirements of the VDE‑AR‑N‑4110: 2023-09.
Feature highlights
Redundant Ethernet
-20 / +70 °C
Feeder
KEMA type tested
PAV,E
Cable and Line Differential
- Protection for cables and lines up to 40 km
Directional Feeder Backup
- Six elements phase overcurrent protection
- directional and non-directional (ANSI/IEC/51C/51V)
- Four elements earth fault protection (2) non-directional or directional (multipolarising)
- Wattmetric Ground Fault Protection
- Two elements unbalanced load protection
- Voltage protection (2) six elements selectable: V<, V>
- Six elements unbalanced voltage supervision
- Flexible 4th Voltage measuring input (2) 2 elements VE> or VX (for synchrocheck)
- Each of the six elements frequency protection canbe used as: f<, f>, ROCOF, vector surge...
- Six elements power protection, each can be used as: P>, P<, Pr, Q>, Q5, Qr, S>, S<
- PAV,E maximum power infeed
- Two elements power factor (PF)
In-Zone Transformer Differential
- Full Differential Protection for Transfomers within the line/cable
Transfer Signals and Transfer Trips
- Up to 16 digital signals and 4 trips can be transferred via the inter-device communication. Copper wiring is no longer required this way.
Interconnection Mains Decoupling
- Non-discriminating active power direction depen- ding load shedding
- FRT (LVRT): Settable FRT-Profiles, optional AR coordinated
- QV-Protection: Undervoltage-Reactive
- Power protection
- Automatic Reconnection
- Frequency protection: 6 elements configurable as <, f>, af/dt (ROCOF), vector surge
- CB-Intertripping
- Synchro-check
Recorders
- Disturbance recorder: 120 s non volatile
- Fault recorder: 20 faults non volatile
- Event recorder: 300 events non volatile
- Trend recorder: 4000 non volatile entries
Control
- up to six breakers (or isolators/ grounding switches)
- Breaker wear
PC Tools
- Setting and analyzing software „Smart view" free of charge
- Including page editor to design own Control pages
- SCADApter to re-assign datapoints for Retrofit projects: Modbus, Profibus, IEC 60870-5-103/ -104
Communication Options
- IEC 61850, Profibus DP
- Modbus RTU and/or Modbus TCP
- EC 60870-5-103/-104
- DNP 3.0 (RTU, TCP, UDP)
- SCADApter for Retrofit
- Configurable SCADA protocols: Modbus, Profibus, IEC 60870-5-103/-104, DNP3
- Redundant Ethernet: Two Ethernet channels available on the device [Electrical Ethernet [RJ45]
or Optical Ethernet [FO] - fiber optic cable]
- Switch-Mode [Redundancy with RSTP]
- PRP - Parallel Redundancy Protocol
- HSR - High-Availability Seamless Redundancy Protocol
Commissioning Support
- Unmanned remote end settings
- Unmanned remote end monitoring
- Unmanned remote end failure analysis
- Customizable Display (Single-Line)
- Customizable Inserts
- Copy and compare parameter sets
- Configuration files are convertible
- Forcing and disarming of output relays
- Fault simulator: current, voltage
- Graphical display of tripping characteristics
- 8 languages selectable within the relay
Cyber Security
- Menu for the activation of BDEW-Whitepaper-compliant security settings (e. g. hardening of interfaces)
- Scurity Logger
- Centralized Security Logs (Syslog)
- Encrypted Connection Smart view Device
- Device specific certificates (No man in the middle attacks)
- Multi-Password-Level
Logic
- Up to 80 logic equations for protection, control and monitoring
Time Synchronisation
- SNTP, IRIG-BOOX, Modbus, DNP 3.0, IEC 60870-5-103/-104

Technical Specs
Connections (Example)


certified regarding CSA-C22.2 No. 14
(Industrial Controls)

Type tested and certified by KEMA Laboratories in accordance with the complete type test requirements of IEC 60255‑1:2009.

certified by EAC
(Eurasian Conformity)

Component certificate regarding the German grid code standard
VDE-AR-N 4110 (2023-09)Component certificate regarding the German grid code standard VDE-AR-N 4120 (2018-11)

CE certified

VDE FNN compliant
Find your Contact Person
Do you need technical Support, or would you like to reach out to a Sales representative or someone from another department? Click the corresponding button here to display your relevant contact person:













