Proximity Sensors Capacitive, ATEX Thermoplastic Polyester Housing Type CB, Ø32, AC • Capacitive level sensor for solid, fluid or granulated substances • Featuring TRIPLESHIELD™ sensor protection • Rated operational voltage: 20-250 VAC • Adjustable sensing distance 2-20 mm • Output: SCR with or without fixed ON-delay of 30 sec. • Make or break switching function • LED indication • High noise immunity • Non-flush types • Cable versions • ATEX ll 3DX T65°C εχ Product Description Ordering Key CB32CLN20TOFTAX ATEX approved Capacitive proximity switches with sen- sing distance 20 mm non- flush mounted. 2-wire AC output with make (NO) and break (NC) switch- ing. Grey Ø32 polyester Type Selection housing with 2 m PVC cable. Ideal fordetectinggrain or solidsaslevelindicatorin tanks, silos or containers. Typical segments: agriculture, food & Beverage, conveyor- belts, plastic & rubber, etc. Capacitive proximity switch Housing style Housing size Housing material Housing length Detection principle Sensing distance Output type Output configuration Timer type ATEX Housing RatedMountingON-delay Ordering no.Ordering no.Ordering no.Ordering no. diameter operatingSCR/cableSCR/cable SCR/cableSCR/cable dist. (Sn) 1)Make BreakMake Break switching switching switching, ATEXswitching, ATEX Ø32 20 mm Non-flush NOCB32CLN20TOCB32CLN20TCCB32CLN20TOAX CB32CLN20TCAX Ø32 20 mm Non-flush YESCB32CLN20TOFTCB32CLN20TCFTCB32CLN20TOFTAX CB32CLN20TCFTAX 1) Object: Grounded steel plate Specifications Rated operating dist. (Sn) CB32CLN202 to 20 mm factory set at 12 mm Sensitivity Adj. multiturnPot. meter Effective operation dist. (Sr)0.9 x Sn ≤ Sr ≤ 1.1 x Sn Usable operation dist. (Su) 0.8 x Sr ≤ Sn ≤ 1.2 x Sr Repeat accuracy (R) ≤ 5% Hysteresis (H)4 to 20% of sensing distance Rated operational volt. (UB)20 to 250 VAC (ripple incl.) Ripple ≤ 10% Rated operational current (Ie) ContinuousIe ≤ 500 mA Short-time < 2.5 A (max. 20 ms) Min. load current 10 mA Environment Degree of protection IP 67 (Nema 1, 3, 4, 6, 13) Temperature Operating temperature -20° to +70°C( -4° to +158°F) Storage temperature-40° to +85°C (-40° to +185°F) Housing material Body PBT Front PBT Connection CableBlack, 2 m, 2 x 1.5 mm2, Ø8 Oil proof PVC Weight Cable version 270 g ApprovalsUL, CSA AX versions onlyATEX zone 22 dust* Voltage drop (Ud)≤ 10 VAC (at loads ≥ 20 mA) ProtectionTransients Power ON delay≤ 100 ms εχ CE-marking Yes II 3 DX T65°C IP67 Frequency of operating cycles (f)10 Hz Delay on operate (tv)30 sec Indication for output ONLED, yellow * • The cable must not be exposed to a pulling force. • As the sensor surface exceed the allowed area the mounting fixture must be grounded. Specifications are subject to change without notice (19.11.2008) 1
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