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Balluff BTL21F6
Balluff / Position measurement

BTL21F6

BTL7-E170-M0425-B-NEX-KA05

Balluff BTL21F6 — Magnetostrictive position measuring systems for hazardous areas. Design: Rod series Ex. Mounting: Threaded flange M18x1,5. Housing material: Anodised aluminium. Maximum number of position magnets: 1.

Technical essentials

Mounting
Threaded flange M18x1,5
Connection
Cable, 5,00 m, PUR
Analogue output
Analogique, courant 20…4 mA
Operating voltage Ub
20...28 VDC

Source consulted on 2026-10-20 Confirm family-level specifications for the selected variant.

Manufacturer specifications
DesignRod series Ex
MountingThreaded flange M18x1,5
Housing materialAnodised aluminium
Maximum number of position magnets1
ConnectionCable, 5,00 m, PUR
Analogue outputAnalogique, courant 20…4 mA
Measuring range425 mm
Maximum measuring frequency1000 Hz
Repeat accuracy± 5 µm
Operating voltage Ub20...28 VDC
Ambient temperature-40...60 °C
IP ratingIP68
Approval / complianceCE / IECEx / ATEX / CSA / CCC Ex / KC / PESO / WEEE
Ex categoryATEX: 3G (EPL Gc) / ATEX: 2D (EPL Db) / IECEx: EPL Gc / IECEx: EPL Db

Manufacturer catalogue selection. Supply, prices, availability and configuration must be confirmed with APM.

Technical documents

Language and revision: see the manufacturer document.

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