COMBI 6 Multichannel Earth Leakage Relays

Product catalog summary

Overview
The Multichannel Earth Leakage Relay, known as COMBI 6, is designed for monitoring and protecting up to six independent lines. It is compact, occupying only three DIN modules, and features removable terminal blocks for easy connections. The device includes four front keys for immediate programming, with a copy/paste function to simplify settings. A dedicated button allows channel scrolling, and the display automatically shows the last tripped channel with an LED indicator.

Versions
The relay is available in three versions: Type B only, Type A/F only, and a mixed version with various input combinations.

Technical Specifications

Display: Multicolor backlight LCD with a maximum indication of three digits and automatic dot point positioning.
Residual Current Measurement: Types AC, A, F, B - TRMS with a display refresh rate of 500ms.
Frequency Response: DC (Type B); 2.5Hz - 3kHz (-3dB).
Base Precision: ±0.5% (50-60Hz).
Fire Protection: 300mA.
Current Setting: IΔn ranges from 0.03 to 30A, with various configurations for different models.
Time Setting: Instantaneous to 30s, with selectable inverse and constant time-current characteristics.
Trip Contact: 6x SPST with a nominal load of 6A, 250Vac AC1; 6A, 24Vdc DC1.
Safety Standards: IEC 61010-1, IEC 60947-1.
Operating Temperature: 0 to +50°C.
Protection Degree: IP30 for housing, IP20 for terminals.

Options

Alarm and Reset Input.
RS485 Modbus RTU communication.
Real Time Clock with battery backup.

Ordering Codes
Various codes are provided for different configurations of input types and options.

Wiring Diagrams and Sensors
The document includes detailed wiring diagrams and specifications for sensors compatible with input types A-F and B, with various hole sizes and ranges.

Contact Information
Manufactured in Italy by FRER, with contact details provided for sales and export inquiries.

Catalog excerpts

COMBI 6 Multichannel Earth Leakage Relays-1

RELE’ DIFFERENZIALE DI TERRA MULTICANALE Multichannel Earth Leakage Relays

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COMBI 6 Multichannel Earth Leakage Relays-2

RELE’ DIFFERENZIALE DI TERRA MULTICANALE Multichannel earth leakage relays Il relè diﬀerenziale di terra Multicanale è stato progettato per il monitoraggio e protezione ﬁno a 6 linee indipendenti. Un unico strumento di soli 3 moduli DIN permette una notevole ottimizzazione degli ingombri e dei tempi di cablaggio, grazie anche alla presenza di morsettiere estraibili per le connesioni. I 4 Tasti frontali ne consentono una programmazione immediata, ulteriormente sempliﬁcata dalla funzione copia/incolla presente nelle impostazioni. Un tasto dedicato allo Scroll dei canali permette la selezione dell’ingresso...

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COMBI 6 Multichannel Earth Leakage Relays-3

COMBI 6 VERSIONI - Versions VISUALIZZAZIONI - Displaying X52UB6 6 ingressi Tipo B 6 Inputs Type B X52UL6 6 ingressi Tipo A-F 6 Inputs Type A-F 1. Corrente diﬀerenziale - Residual current measure 2. Canale visualizzato - Displayed channel 3. Barra graﬁca con icona Trip - Bargraph with Trip icon 4. Stato Canali - Channel status 5. Funzione tasti - Keys function - Test/Up - Reset/Down - Escape/Enter - Channel Scroll X52UX6 - MIXED 6 ingressi Tipo B/A-F 6 Inputs Type B/A-F CODICI DI ORDINAZIONE - Ordering codes COMBI 6 Relè diﬀerenziale di terra a 6 canali - 6 Channel earth leakage relay Tipologia...

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COMBI 6 Multichannel Earth Leakage Relays-4

COMBI 6 SCHEMI DI INSERZIONE - Wiring diagrams CODICE - CODE SENSORI - Sensors SENSORI PER INGRESSI TIPO B - SENSORS FOR INPUT TYPE B Dimensioni ﬁnestra - Hole size (mm) SENSORI PER INGRESSI TIPO A-F - SENSORS FOR INPUT TYPE A-F Dimensioni ﬁnestra - Hole size (mm) NUCLEO CHIUSO - CLOSED CORE NUCLEO APRIBILE - SPLIT CORE Viale Europa, 12 - 20093 Cologno M.se (MI) - ITALY Tel. ++39.02.27.30.28.28

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Archived catalogs

General Catalogue 2019
472 Pages