GENERAL CATALOGUE ITALIAN DESIGN

“ ... Your partner for monitoring and electrical safety “ ITALIAN DESIGN Italian design has always been a trademark: our designers work in the Lodi site, researchers and engineering experts. INTERNATIONAL PRESENCEE The presence of Contrel Elettronica in the main world markets is the result of its constant internationalization strategy. Contrel elettronica together with its foreign branches and its network of importers represent the reference point for the worldwide distribution of its products in over 100 countries

THE COMPONENTS OF A SUCCESS For nearly four decades, Contrel Elettronica has been designing and manufacturing low voltage electrical devices for industrial applications. Founded in 1985 in Lodi in Italy, Contrel Elettronica is a private company and has been managed at the level familiar. The mission of our company is to create innovative and reliable products, offering services to satisfy customer expectations. PRODUCT LINE Contrel elettronica has a wide range of products compliant with the most stringent requirements of international standards. Earth leakage relays, power meters, network analyzers,...

TECHNICAL SUPPORT Technical assistance supports the Customer, supporting him in the choice of products, in their commissioning and after-sales consultancy. QUALITY Contrel Elettronica manufactures its products in compliance with the highest quality standards, respecting the environment and protecting the health of its employees. For us, quality has always been a priority, so much so that since 1997, among the first in Italy, our management system has been certified according to ISO 9001.

CERTIFICATO N. CERTIFICATE N. 9105.CO35 SI CERTIFICA CHE IL SISTEMA DI GESTIONE PER LA QUALITA’ DI WE HEREBY CERTIFY THAT THE QUALITY MANAGEMENT SYSTEM OPERATED BY CONTREL ELETTRONICA SRL VIA S. FEREOLO 9 - 26900 LODI (LO) UNITA' OPERATIVE / OPERATIVE UNITS VIA S. FEREOLO 9 - 26900 LODI (LO) E' CONFORME ALLA NORMA / IS IN COMPLIANCE WITH THE STANDARD PER LE SEGUENTI ATTIVITA' / FOR THE FOLLOWING ACTIVITIES Progettazione e produzione di strumenti elettronici di misura e protezione in bassa tensione per applicazioni industriali Design and manufacture of electronic measuring and protection devices...

IIIII EARTH LEAKAGE RELAY MONITORING AND PROTECTION Dimensions (mm) Wiring diagrams IIIII RELAY FOR PERMANENT CONTROL OF THE MCCB’S TRIPPING CIRCUIT AND ACTUATOR FOR SAFETY CIRCUITS (TCS) 29 Dimensions (mm) 35 Wiring diagrams 35 IIIII INSULATION MONITORING DEVICES Dimensions (mm) Wiring diagrams IIIII ALARM CONCENTRATORS AND TEMPERATURE CONTROL UNIT Dimensions (mm) Wiring diagrams Alarm sequences IIIII STRUMENTI DI MISURA E TRASFORMATORI DI CORRENTE Dimensions (mm) Wiring diagrams

EARTH LEAKAGE RELAY FOR MONITORING AND PROTECTION OF THE LOW VOLTAGE DISTRIBUTION NETWORK

The electronic residual current relays allow monitoring and protection of the low voltage distribution network • Modular, flush and internal panel mount version, with or without flag indicator, configurable prealarm indication and fail safe operation. • Versions with automatic toroid connection control. • Choice of supply voltage ranges. • Adjustable fault current IΔn. • Adjustment and choice of tripping range for both fault current and delay time. • Versions with display LCD and communication port. Earth leakage relays: Type A, with 1 operation threshold Type A, with 2 operation threshold Type...

EARTH LEAKAGE RELAYS | WITH 1 OPERATION THRESHOLD See dimensions and wiring diagrams at the end of chapter Certification obtained: EAC | Compliant with standards: IEC/EN 60947-2 Annex M RATED AUXILIARY SUPPLY VOLTAGE • Flush mount 48x48 mm • External CT • Configurable fail safe • 3rd harmonic filtering (F option) ORDER CODE ADJUSTMENTS Configurable tripping set-point (IΔn): 0,025...0,25A | 0,25...2,5A | 2,5...25A | 5...250A (with external multiplier). Configurable tripping delay time (t): 0,02...0,5s | 0,2...5s. GENERAL CHARACTERISTICS • Earth leakage relay type A • Green power LED indicator...

EARTH LEAKAGE RELAYS | WITH 1 OPERATION THRESHOLD See dimensions and wiring diagrams at the end of chapter Certification obtained: EAC | Compliant with standards: IEC/EN 60947-2 Annex M RATED AUXILIARY SUPPLY VOLTAGE • Modular 3 DIN rail mounting • External CT • 3rd harmonic filtering (F option) • Modular 6 DIN rail mounting • Ø28mm incorporated CT. • Configurable fail safe. • Modular 3 DIN rail mounting • External CT • Fixed tripping set point and time ORDER CODE ADJUSTMENTS ELR-3F Configurable tripping set-point (IΔn): 0,3A o 0,5A fisso Configurable tripping delay time (t): 0,02...0,5s GENERAL...

EARTH LEAKAGE RELAYS | WITH 1 OPERATION THRESHOLD See dimensions and wiring diagrams at the end of chapter Certification obtained: EAC | Compliant with standards: IEC/EN 60947-2 Annex M RATED AUXILIARY SUPPLY VOLTAGE • Flush mount 72x72 mm • External CT • Flush mount 48x96 mm • External CT • Flag indicator (TRIP MEMORY) • Flush mount 48x96 mm • External CT ORDER CODE ADJUSTMENTS ELR-4 Selectable tripping set-point (IΔn): 0,025...0,25A | 0,25...2,5A | 2,5...25A | 25...250A (with external multiplier) Configurable tripping delay time (t): 0,02...0,5s | 0,2...5s. ELR-91 Selectable tripping set-point...

EARTH LEAKAGE RELAYS | WITH 1 OPERATION THRESHOLD See dimensions and wiring diagrams at the end of chapter Certification obtained: EAC | Compliant with standards: IEC/EN 60947-2 Annex M RATED AUXILIARY SUPPLY VOLTAGE • 1 operation threshold • Compact panel mount • CT incorporated Ø 35 mm • 1 operation threshold • Compact panel mount • CT incorporated Ø 60 mm • 1 operation threshold • Compact panel mount • CT incorporated Ø 80 mm • 1 operation threshold • Compact panel mount • CT incorporated Ø 110 mm ORDER CODE GENERAL CHARACTERISTICS • Earth leakage relay type A • Green power LED indicator (ON)...