www .cynergy3.com ? 2012 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. i s o 9 0 0 1 c e r t i f i e d SB20 level controller or power interface module with alarm sounder cynergy3 components ltd. 7 cobham road ferndown industrial estate wimborne, dorset bh21 7pe t elephone +44 (0) 1202 897969 email:sales@cynergy3.com the SB20 is a versatile level control or interface module that can also be used in many other process control applications. power supply 240/415 v ac. t wo outputs: main output spco 20(8) amps 250v secondary output spco 10(4) amps 250v led indicator and beeper for low level alarm one level switch can be connected for an alarm or two level switches to start and stop a submersible pump or a solenoid valve for emptying/filling function it works with all kind of level switches, including conductive probes, as well as pressure switches or other limit switches. the module can be used as a dry-running protection, with a pressure switch or filling level control switch, to start and stop a pump. mechanical diagram t erminal assignment 240 or 415v ac supply other versions can be made for particular applications. please contact cynergy3 with your requirements. 2 spco relay outputs din rail mounting alarm indicator led and beeper 1 2 3 4 5 6 7 8 9 10 1 1 12 24 23 22 21 20 19 18 17 16 15 14 13 SB20 53 mm 90 mm 1 supply neutral 3 supply live 240v ac 4 supply live 415v ac 9 output 1 nc contact 10 output 1 no contact 11 output 1 common 13 output 2 no contact 14 output 2 common 15 output 2 nc contact 19-20 low voltage input sensor 21-22 sensor common input 23 sensor minimum level 24 sensor maximum level low voltage input 19-20 for pressure/float switch with contacts closed at minimum pressure or level switch with contacts closed when level low . nb these terminals must be bridged if no sensor is connected . c e on - off 1, 2 or 3 sensor inputs primary output can directly control motors up to 2hp cos f 0.4-0.5 single phase t echnical specification supply v oltage v 240 or 415ac sensor v oltage v 12v ac sensor inputs switch contacts or conductive probes output ratings output 1 output 2 contact form spco spco switching power max ac v a 1500 750 switching v oltage ac max v 250 250 switching v oltage dc max v 28 not approved switching current max resistive (n/o contact) a 20 10 standard parts inputs outputs SB20 1, 2 or 3 2 switching power max dc w 560 not approved (n/c contact) a 10 10 switching current max inductive a 8 4
1 2 3 4 5 6 7 8 9 10 1 1 12 1 2 3 4 5 6 7 8 9 10 1 1 12 24 23 22 21 20 19 18 17 16 15 14 13 24 23 22 21 20 19 18 17 16 15 14 13 secondary or alarm circuit nc common common nc nc no no www .cynergy3.com ? 2012 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. i s o 9 0 0 1 c e r t i f i e d rainwater tank supply tank centrifugal pump t o process supply pipe solenoid valve mains water pump t op tank switch (nc when level low) high level switch (nc when level high) high level switch (nc when level high) example: rainwater supply filling a vented roof tank from a rainwater tank. the pump will operate when the roof tank level is not at max level and the water in the rainwater tank is above the low level. the red alarm led will illuminate and the beeper will sound (with switch in on position), if the level in the rainwater tank drops to the low level, and the secondary relay opens a solenoid valve to supply water from the mains water supply , which will remain operated until the rainwater tank fills to the high level. the beeper alarm will, if switch is on, sound until the tank is full. the illustration is for 240v ac supply , which is connected to terminals 0 (neutral) and 3 (live). example: process supply maintaining a pressurised supply to a process. the pump will operate when the pressure switch is below the set level and the water in the supply tank is above the low level. the red alarm led will illuminate and the beeper will sound (with switch in on position), if the level in the supply tank drops to the low level, and the secondary relay will operate. the alarm will remain operated until the tank fills to the high level. the illustration is for 240v ac supply , which is connected to terminals 0 (neutral) and 3 (live). the beeper alarm will, if switch is on, sound until the tank is full. low level switch (nc when level high) low level switch (nc when level high) x the SB20 can be used for many process control functions, including: dry running control with 2 level switchesdry running control with 1 level switch dry running control with conductive probes pump control by pressure switch pump control by level switch ?no water? alarm and secondary control output level controller or power interface module with alarm sounder SB20 SB20 ce ce on - off on - off pressure switch expansion vessel nb the diagrams shown above are simplified illustrations of how the module may be used and do not include any necessary safety devices, such as fuses or thermal cutouts, or statutory requirements for installation of such electrical equipment.
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