LFS Series Paddle Flow Switches Stainless steel SS304 paddle 3/4”PF or 1”PT mounting plug thread IP65 Aluminium alloy housing or DIN 43650 connection Use for flow detection in pipes from 1” bore to 3” bore Maximum operating pressure 20 bar Technical Specification Housing material Temperature range Set point tolerance Repeatability Aluminium Alloy See chart below ±25 % ±5% Paddle material 304grade SS Maximum pressure 20 bar Pressure drop 0.2 bar Connection in housing or by DIN 43650 Electrical Specification Contact Form SPDT Switching Power Max VA 40 Switching Voltage AC/DC Max V 230 Switching Current Max A 1.0 All ratings are for resistive load only. Standard Parts Mounting thread Operating Temperature The LFS range of flow switches are paddle devices that are mounted vertically through a socket or upstand process connection. Electrical connections are made within the housing, which has a screw on sealed lid and cable gland. A choice of paddle sizes is supplied with each switch and selection can be made with reference to the chart opposite. LFS-01 LFS-01H LFS-02 LFS-02H LFS-03 LFS-03H LFS-04 LFS-04H Pipe Dia 1" Switch Op Rel Connection -30 to +75°C -30 to +150°C -30 to +75°C -30 to +150°C -30 to +75°C -30 to +120°C -30 to +75°C -30 to +120°C 1”NPT 1"NPT 3/4”BSP 3/4"BSP 1”NPT 1"NPT 3/4”BSP 3/4"BSP 1.25" Op Rel Terminate in housing Terminate in housing Terminate in housing Terminate in housing DIN 43650 DIN 43650 DIN 43650 DIN 43650 1.50" Op Rel 2" Op 2.5" Rel Op 3" Rel Op Rel Paddle length 1" 19 15.2 32.2 24.7 45.5 34.1 64.4 56.8 1.25" 24.7 17.1 34.1 26.5 56.8 45.5 1.50" 2" 87.1 75.8 53 37.9 87.1 60.6 121.2 94.7 68.2 45.5 90.9 64.4 2.5" 125 102.3 75.8 49.3 102.3 121.2 3" 83.3 60.6 NB: Flow rates in litres per minute Wiring Detail (LFS 03/04):Pin 1 = Common Pin 2 = Make on flow (N/O) Pin 3 = Break on flow (N/C) 80 DIN 43650 25 Model No. LFS-01/H ISO9001C E R T I F I E D LFS Series 2016 38 AF 1"NPT 25 Model No. LFS-02/H 38 AF 3/4"BSP 92 92 3/4"BSP 22 13 34 38 AF 92 92 Cynergy3 Components Ltd. 7 Cobham Road Ferndown Industrial Estate Wimborne, Dorset BH21 7PE Telephone +44 (0) 1202 897969 Email:[email protected] 1"NPT 22 13 22 22 13 22 1/2"BSP 38 AF DIN 43650 8 8 1/2"BSP 37 37 90 90 80 22 13 34 Mechanical Dimensions 25 25 Model No. LFS-03/H Model No. LFS-04/H www.cynergy3.com © 2016 Cynergy3 Components, All Rights Reserved. Specifications are subject to change without prior notice. Cynergy3 Components and the Cynergy3 Components logo are trademarks of Cynergy3 Components Limited.