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INDUSTRIAL EARTH LEAKAGE PROTECTION

INDUSTRIAL EARTH LEAKAGE PROTECTION
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INDUSTRIAL EARTH LEAKAGE PROTECTION

Product catalog summary
Overview: This document provides comprehensive specifications and descriptions for self-reclosing overload and earth leakage protection devices. It includes product selection tables, technical specifications, and application guidelines for various models and configurations.
Product Selection Table: The table details equipment for earth leakage protection, including circuit breakers and external toroidal transformers. It specifies protection types, associated contactors or circuit breakers, and page references for detailed information.
REC2 Earth Leakage Relay:
  • Features a 2 or 4-pole switch with automatic reclosure.
  • Operates in Time sequence and Insulation monitoring modes.
  • Includes LEDs for status and a manual reset option.
  • Sensitivity options of 30 mA or 300 mA, with a fixed delay of 20 ms, and nominal voltage of 230/400 Vac.
WRU RA Earth Leakage Relay:
  • Superimmunized Class A relay with TRMS measurement.
  • Adjustable sensitivity and delay, with built-in transformer.
  • Designed for remote signaling and control.
  • Sensitivity range of 30 mA to 3 A and delay range of 20 ms to 1 s.
WRU-10 RAL Differential Relay:
  • Programmable sensitivity and delay, with built-in transformer and display.
  • Automatic reclosure suitable for public lighting and other applications.
  • Sensitivity extendible to 30 A and delay extendible to 10 s.
RGU-10 RAL Earth Protection Relay:
  • For use with external toroidal transformers.
  • Programmable reclosure settings and remote control capabilities.
  • Sensitivity range of 30 mA to 30 A and programmable delay.
CBS-4 RA/RAL Earth Leakage Relay Station:
  • Intelligent protection with four independent programmable relays.
  • Inputs for external transformers and programmable trip settings for each channel.
  • Sensitivity range of 0.03 A to 30 A and programmable delay.
Standards and Compliance: All devices comply with relevant IEC standards, ensuring safety and reliability.
Specifications and Features: The document outlines various earth leakage protection systems, including CBS-4 and CBS-8 series, WRKRT-25, and WRU-25 RA-MT relays. Key features include programmable relays, RS-485 communications, and TRMS measurement for accurate monitoring.
Earth Leakage Protection Systems:
  • CBS-4 Series: Offers protection with self-reclosing capabilities, available with or without RS-485 communications.
  • CBS-8 Series: Protects up to 8 networks with independent programmable relays and display for leak level indication.
  • WRKRT-25 Relays: Used with MCB circuit-breakers for self-reclosing protection, suitable for hard-to-monitor locations.
  • WRU-25 RA-MT Relays: For use with motorized circuit breakers, offering self-reclosing protection.
Technical Specifications:
  • Programmable sensitivity and delay settings.
  • LED indicators for status updates.
  • DIN rail mounting and compliance with IEC and EN standards.
Applications: Ideal for environments requiring reliable protection and minimal maintenance, such as traffic lights and cash machines. RS-485 communications enhance remote monitoring and management.
MT-FDE Series Circuit Breakers:
  • Designed for remote activation, suitable for remote control applications.
  • Used with self-reclosing relays for overload and earth leakage protection.
  • Features automatic switching, available in 3 or 4 poles, with current ratings from 80 to 250 A.
  • Complies with IEC 60947-2 standards.
WRGMT Groups:
  • Ensure safety and service continuity in remote installations.
  • Provide overload and earth leakage protection with self-reclosing.
  • Composed of RGMT relay, MT-FDE Series switch, and WG transformer.
RRM Relays:
  • For self-reclosing motorized circuit breakers, designed for MT or MT-FDE Series.
  • Features automatic reclosing, remote connection/disconnection, and signaling via LEDs and RS-485.
Key Specifications:
  • Nominal working voltage: 240 / 415 Vac, frequency: 50-60 Hz.
  • Protection degree: IP 40 for MT-FDE, IP 20 for terminals, IP 41 for RRM relays.
Applications: Suitable for remote or hard-to-monitor locations such as telephony installations and refrigeration chambers.
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Catalog excerpts

INDUSTRIAL EARTH LEAKAGE PROTECTION-2

Self-reclosing overload and earth leakage protection P2-46 ^

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INDUSTRIAL EARTH LEAKAGE PROTECTION-3

Self-reclosing overload and earth leakage protection Earth leakage protection and self-reclosing RCCB with Self-reclosing system Self-reclosing earth leakage relay Description . Features REC2 is a 2 or 4-pole earth leakage switch associated to a compact motor and control set that enables the automatic and safe re-closure of the installation, provided that the leakage is not permanent. The earth leakage switch is reclosed auto-matically, in accordance with the work mode selected (switch on the front): O Time sequence mode: after a switch trip, REC2 will make 6 reclosing attempts, with a timer...

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INDUSTRIAL EARTH LEAKAGE PROTECTION-4

Self-reclosing overload and earth leakage protection Earth leakage protection and self-reclosing Self-reclosing earth leakage switch REC2 REC2 - 2 poles ig earth leakage device (g) <g> 1 N H (|) §) Referencesiii^^ Class Poles /n (A) Sensitivity Type Code A 2 40 30 mA REC2-2P-40-30 P26411 A 2 40 300 mA REC2-2P-40-300 P26321 A 2 63 30 mA REC2-2P-63-30 P26414 A 2 63 300 mA REC2-2P-63-300 P26324 A 4 40 30 mA REC2-4P-40-30 P26412 A 4 40 300 mA REC2-4P-40-300 P26322 A 4 63 30 mA REC2-4P-63-30 P26415 A 4 63 300 mA REC2-4P-63-300 P26325 iConnections^ P2-48

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INDUSTRIAL EARTH LEAKAGE PROTECTION-5

Self-reclosing overload and earth leakage protection Earth leakage protection and self-reclosing Earth leakage relay + contactor WRU RA Earth leakage relay with built-in transformer L Description O Self-reclosing electronic earth leakage protection relay with built-in transformer, a diameter of 0 25 or 0 35 mm (depending on the type), with earth leakage trigger O It is connected to a contactor or similar element as a circuit breaker O Type A relay, with high-frequency current filtering and high immunity. Monitoring in true root mean square (TRMS) O Adjustable sensitivity and trigger timer. O...

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INDUSTRIAL EARTH LEAKAGE PROTECTION-6

Self-reclosing overload and earth leakage protection Earth leakage protection and self-reclosing Earth leakage relay + contactor WRURA Earth leakage relay with built-in transformer WRU-35 RA -105 75 70 o o O O 0 0 o o o o o o O O 0 0 o o 0 35 Useful diameter 0 (mm) < Delay (s) (*) Number of reclosures Time between reclosures (s) Control of the circuit breaker Remote signaling (outputs) Type Code 25 0,03 ... 3 0,02 ... 1 6 8,16, 30,59,115,224 Switched relay mV ac proportional to the leakage current WRU-25 RA P24211 35 0,03 ... 3 0,02 ... 1 6 8,16, 30,59,115,224 Switched relay mV ac proportional...

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INDUSTRIAL EARTH LEAKAGE PROTECTION-7

Self-reclosing overload and earth leakage protection Differential protection and reclosing Differential relay with integrated toroidal transformer + contacte WRU-10 RAL Differential relay with built-in transfo and display (type A) iDescription O Electronic differential protection relay with automatic reclosing with built-in 28 mm transformer, constituting one unit. O Superimmunized Type A , with high-frequency current filter and high insulation. Measurement in true root mean square (TRMS) value O Display with leds and back-lit display: - Differential protection/reclosing settings - protection...

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INDUSTRIAL EARTH LEAKAGE PROTECTION-8

Self-reclosing overload and earth leakage protection Differential protection and reclosing ^Dimensions Differential relay with integrated toroidal transformer + contactor P2-52

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INDUSTRIAL EARTH LEAKAGE PROTECTION-9

Self- Earth leakage protection and self-reclosing Earth protection relay + contacter * externat transformer RGU-10 RAL Earth protection Relay WG Sries ^ss^aari Description Features Fledronic earth leakage [xotecbon relay. usod to conrwd the extomal toroidal trans-formers of ihe WG / WGS / WGC Senos O Sefcredosmg wrth a prograrnmaWe earth kcakagctnp o Supenmmunizod type A Ngsy, wilh hqh frequency current filtering and high immuiity Monitcnng in true RMS Iho backfcght cteptey sfwrs Ihe fotowng iikxmatav * Adjuslment values * Inslantaneous leakage mirent o 1t has hro ind驩pendant outputs > Tnp relay...

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INDUSTRIAL EARTH LEAKAGE PROTECTION-10

iinlhinllllhWnTyttrfrttlnn Earlh leakage protection and self-reclosing Eanh protection relay + contacter * oxtemal transformer Dimensions RGU-10 RAL Earlh protection Relay WG Sries 52,5 67,9-43.5闗H 0 c o o Ci 0 COOOQQOOB jii!? ■ Rfrences R»cio驮inQ lment Communications KW OeUy (4 Code Contacta - 0.03 . 30 0.02 . 10 RGLM0 RAL P24622 Cont驫tfor 0.03 . 30 0.02 . 10 RGU-10 C RAU PMW Connections L1 UUM CONTACTOR LOAD (^CIRCUTOR

 Open the catalog to page 10
INDUSTRIAL EARTH LEAKAGE PROTECTION-11

1011 Earlh leakage protection and self-reclosing Ejrth Ik绻gc stJtfon * conTJCtor * cxtcmji transformer CBS-4 RA / RAL Earlh leakage relay station WG / WGC Sries e e © © © Description Fetures Unit equrvalent to 4 earth leakage protec- Protection Earth Laakag* tion reiays 4 independent programm颢t*) re- Ctass A superimmunized iays avaitable 0 4 nputs to connect the exlemal toioKjal transformer» of Ihe WG / WGSf WGC o Setfrodosing wrth programmabto earth fAeasurement True root mean square (TRMS) SenSJtrvrty Delay 003A 30 A Programmable 0 20 ms 10s Inverse curve nstantancous or seicrtw toakage Inp...

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INDUSTRIAL EARTH LEAKAGE PROTECTION-12

Self-reclosing overload and earth leakage protection Earth leakage protection and self-reclosing ^Dimensions^^^^^^ Earth leakage station + contactor + external transformer RA / RAL Earth leakage relay ui Size Communications No. of Relays No. of reclosures Type Code 3 modules - 4 / NO Programmable CBS-4 RA P24911 3 modules RS-485 4 / NO Programmable CBS-4 C RA P24912 3 modules - 4 / NC Programmable CBS-4 RAL P24A11 3 modules RS-485 4 / NC Programmable CBS-4 C RAL P24A12 P2-56 fj^URCUTOR

 Open the catalog to page 12
INDUSTRIAL EARTH LEAKAGE PROTECTION-13

Self-reclosing overload and earth leakage protection Earth leakage protection and self-reclosing Earth leakage station + contactor + external transfom CBS-8 Earth leakage monitoring and signaling unit of the external transformer of the WG / WGP / WGC Series O Unit equivalent to 8 earth leakage protection networks. 8 independent programmable relays available O 8 inputs to connect the external toroidal transformers of the WG / WGP / WGC O Superimmunized Type A relay with high frequency current filtering and high immunity. Monitoring in true root mean square (TRMS) O Reduced size, with 8 modules...

 Open the catalog to page 13
INDUSTRIAL EARTH LEAKAGE PROTECTION-14

Self-reclosing overload and earth leakage protection Earth leakage protection and self-reclosing ^Dimensions^^^^^^ Earth leakage station + contactor + external transformer CBS-8 Earth leakage m nomtonng ana signaiing unit of the external transformer of the WG / WGP / WGC Series Size Communications No. of Relays 'n (A) Type Code 8 modules RS-485 8 0,03 ... 63 CBS-8 " P12811 (*) In the case of the 0.3 ... 63 A scale, use earth leakage transformers of the WGP / WGSP (*) In the case of the 0.03 ... 6.3 A scale, use earth leakage transformers of the WG / WGS P2-58

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.