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RFS

RFS

Product catalog summary

Overview
The document provides technical specifications and descriptions for the KOBOLD RFS series level controllers, which are used for monitoring liquid levels. These devices are suitable for liquids without solid or metallic particles and are designed for lateral mounting in standard fittings.

Specifications

Temperature Range: Fluid: -40°C to +120°C; Ambient: -20°C to +80°C (RFS-1200 N4 and RFS-1201 N4), -20°C to +60°C (RFS-12Ex N4).
Pressure: Maximum operating pressure is 5 bar.
Materials: Housing/Connector: Plastic (RFS-1200 N4), Aluminum (RFS-1201 N4 and RFS-12Ex N4); Float and Process Connection: Stainless Steel 1.4301.
Electrical Connection: DIN connector (RFS-1200 N4), Aluminum terminal box (RFS-1201 and RFS-12Ex).
Switching Voltage: Max 240 VAC / 300 VDC (RFS-1200 and RFS-1201), Max 40 VDC (RFS-12Ex).
Switching Current: Max 0.5 A.
Power Rating: Max 15 VA (RFS-1200 and RFS-1201), Max 4 VA (RFS-12Ex).
Resistance: Max 150 mΩ.
Fluid Density: Greater than 0.7 g/cm³.
ATEX Certification: RFS-12Ex is certified for explosive atmospheres with specific codes for gas and dust.

Models

RFS-1200 N4: Standard version with connector.
RFS-1201 N4: Standard version with aluminum terminal box.
RFS-12Ex N4: ATEX version for explosive atmospheres, requires an additional relay for gas zones.

Functionality
The RFS level controllers use a stainless steel cylindrical float with an integrated magnet that moves with the liquid level. This movement actuates a reed contact, which can be configured for either opening or closing based on the installation. The devices are designed for direct lateral mounting.

Installation and Use
The controllers are suitable for various international markets, with KOBOLD having a presence in numerous countries. The document also notes that technical changes and errors are subject to change.

Catalog excerpts

Contrôle • Analyse Montage latéral Raccord électrique connecteur DIN ou boîtier de raccordement Possibilité de montage avec contact à ouverture ou à fermeture Version ATEX Des sociétés KOBOLD se trouvent dans les pays suivants: ALLEMAGNE, ARGENTINE, AUSTRALIE, AUTRICHE, BELGIQUE, BULGARIE, CANADA, CHILI, CHINE, COLUMBIA, EGYPTE, ESPAGNE, ETATS-UNIS, FRANCE, HONGRIE, INDE, INDONESIE, ITALIE, MALAYSIE, MEXIQUE, PAYS-BAS, PEROU, POLOGNE, RéPUBLIQUE De Corée, RéPUBLIQUE TCHEQUE, ROUMANIE, ROYAUME-UNI, SINGAPOUR, SUISSE, TAIWAN, THAILANDE, TUNISIE, turquie, VIET NAM KOBOLD Messring GmbH Nordring 22-24 D-65719 Hofheim/Ts. Siège social: +49(0)6192 299-0 +49(0)6192 23398 [email protected]

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Controleur de niveau Modele RFS Flotteur: Raccord: Raccord process: Raccord electrique: Resistance: Densite fluide: Protection Homologation ATEX (RFS-12 Ex): Description Les controleurs de niveau RFS sont utilises pour le controle de niveaux de remplissage de liquides. Le liquide ne doit contenir ni particules solides ni particules metalliques. Un flotteur cylindrique en acier inoxydable avec aimant integre monte et descend avec le niveau du liquide. L'aimant actionne un contact reed. Suivant le montage de l'appareil, les contacts ont la fonction de fermeture ou d'ouverture lors de la montee...

Open the catalog to page 2

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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.

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