Field Instruments

General

The Float switch FTS20 is a simple and cost-effective solution for point level detection in appropriate fluids. It is used in tanks and vessels as a pump protector or level alarm in open basins, e. g. in sewerage treatment plants. The float switch has two output options, a NAMUR switching signal or a change-over contact.

Point level switch for appropriate fluids. Used in tanks and vessels as an overfill prevention or as a pump protector. Different sensor/cable materials, e.g. PP, PVC, PUR and CSM, allow application in oily or aggressive liquids and hazardous areas.

• Temperature: -20 to +85°C (-4 to +185°F)
• Pressure: +3bar (+43.5psi)
• International explosion protection certificates

Features

• Reliable and cost-effective point level detection in liquids
• Highest product and measurement safety due to different cable and sensor materials for different media
• Electrical connections to NAMUR for hazardous areas (to Zone 1) or change-over contact (AC/DC) for universal standard application
• Small diameter for simple installing using tapped hole G 1 A

Specifications

• Make: Endress+Hauser
• Model: FTS20 - 71035521
• Float switch
• Medium: oily/aggressive liquids
• Medium density: from 0.8 g/cm³
• Process pressure range: max. 3 bar
• Process temperature range: -20–70 °C
• Output: relay
• Switching capacity: 250 V AC/150 V DC
• Material float: PP (polypropylene)
• Material cable: PUR
• Cable length: 20 m
• Protection rating: IP68

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