CR4 1 Protection relay

Lumel CR41 extCZIP®-PRO Protection relays for MV network are new version of devices belonging to the CZIP® system. They are designed for implementing protection automation, control, measurement, recording, and supervision of medium-voltage switchgear fields in power network systems.

The extCZIP®-PRO series relays are characterised by high flexibility in selecting the available number of input, output and communication ports.

Description

Lumel CR41 extCZIP®-PRO Protection relays for MV network are new version of devices belonging to the CZIP® system. They are designed for implementing protection automation, control, measurement, recording, and supervision of medium-voltage switchgear fields in power network systems.

The extCZIP®-PRO series relays are characterised by high flexibility in selecting the available number of input, output and communication ports.

Lumel are the producers of automation devices for measurement, control, transmission and visualisation of various industrial processes. They also provide Services of designing and manufacturing of automation systems.

Since 1954 Lumel brand has been known as a producer of quality measuring devices and high-pressure die-casting all over the world. Their high position in the market has been achieved thanks to continuous development, employees and modern technology in areas of research, design and production. Lumel delivers complex solutions for power and industrial automation sector as well as for automobile, chemical, steel, or HVAC industries

Their objective is to provide comprehensive solutions by designing intelligent systems based on the electronics Lumel manufactures, which are measuring and regulating equipment for industrial, automotive and military applications, as well as through service production of electronics.

View more Lumel products.

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Software and features for extCZIP®-PRO Protection Relays
► Software for all MV switchgear fields integrated into a single device
► Predefined field setting for faster configuration
► Support for programmable logics (up to 50)
► 7" colour TFT LCD display (800x480 resolution) with a touchscreen interface
► Synoptic diagram display for switchgear fields with real-time visualisation of switch statuses
► Switch control directly from the synoptic screen or via remote control/telemechanics (up to 11 switches)
► Display of recorded events, measured values and the status of inputs and outputs
► 28 or 56 opto-isolated binary inputs for reliable signal reception
► 20 or 40 relay outputs for flexible control of external devices
► 14 dual-colour programmable LEDs with on-screen descriptions and dedicated ON/OFF buttons for field breaker control from the device keypad
► 512 MB internal memory for storing disturbance recorder samples, event logs and energy measurement data
► Time synchronisation via Ethernet using SNTP protocol
► Independent communication interfaces, including USB, 2 x RS485, Ethernet 10/100 BASE-TX (optional fiber optic port and CANBUS/RS485)
► Support for communication protocols: DNP 3.0, IEC 60870-5-103 and 104, IEC 61850, Modbus® ASCII/RTU (optional PPM2 protocol via CANBUS/RS485)
► 2-bit monitoring of all switch statuses, with optional phase current measurement inputs compatible with low-power current transducers based on Rogowski coils.

This comprehensive feature set ensures that the extCZIP®-PRO protection relays deliver reliable, advanced functionality for modern MV network applications.
Available applications selectable from the device menu:
► extCZIP PRO (1E) - Protection relay for a medium-voltage (MV) line field cooperating with a local power plant
► extCZIP PRO (1L) - Protection relay for a MV line field
► extCZIP PRO (1T) - Protection relay for the MV side field of a 110kV/MV transformer
► extCZIP PRO (1X) - Protection relay for auxiliary supply fields in a network with a neutral point grounded through a reactor
► extCZIP PRO (1C) - Protection relay for capacitor bank fields
► extCZIP PRO (1P) - Protection relay for auxiliary supply fields in a network with a neutral point grounded through a resistor
► extCZIP PRO (1U) - Protection relay for voltage measurement fields
► extCZIP PRO (3H) - Protection relay for 110kV side field of a 110kV/MV transformer
► extCZIP PRO (1S) - Protection relay for busbar coupler fields
► extCZIP PRO (1Z) - Protection relay for feeder and supply fields