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Selected parameters SYSTEM Soft Starter LOAD Phase 3 HOUSING WIDTH >22.5mm to 45mm MOTOR RATING >3kW to 10kW OPERATIONAL VOLTAGE Up to 480VAC LOAD CURRENT >10A to 25A CONTROLLED PHASES 3-Phase MAX NUMBER OF STATS PER HOUR >10 to 20 Others LOAD (result) Soft Starter for Centrifugal Pumps LOAD CURRENT 16A AC MAX MOTOR RATING 7.5 kW OPERATIONAL VOLTAGE 187 - 440V ACrms DIMENSIONS 45 x 130 x 125 mm CONTROLLED PHASES 3-Phase MAX NUMBER OF STATS PER HOUR 20
Soft Starter CentrifugalPump Soft Starter Series TypeRSWT • Optimised algorithm for centrifugal pumps • Simple User Interface • 3-phase controlled • Internally bypassed • Multi voltage operation • Integrated overload protection (RSWT..V10/V11. models only) • Relay Outputs for Alarm/Top of Ramp/Run* • RSWT40 models: Internally supplied • RSWT60 models: 24VAC/DC (“F” version) and 100-240VAC (“G” version) control/supply options • RSWT...V10/V11.: Auto- or manual reset of alarms • Remote reset function* * For RSWT..32.. - RSWT..55.. models only Product Description Ordering CodeRSWT 40 16 E 0 V 1 0 RSWT is a 3-phase controlled soft starter for centrifugal pumps. RSWT controls all the three phases to achieve current balancing on all the phases so as to minimise vibrations during starting and stopping of centrifugal pumps. Through a dedicated self- learning algorithm, the RSWT manages to achieve a very smooth starting and stoppingperformance of centrifugal pumps with minimal settings resulting in a very easy to use solution. The RSWT upto25A([email protected] 400V)comesinacompact 45mm housing thus facilitating replacement of contactors and star/delta starters. The RSWT...V00/V01. version requires just 1 knob setting for the soft-starting/soft-stopping time of the pump. No further adjustments are required in this case. The RSWT...V10/V11. version includes an overload protection (Class 10) and soft- starting and soft-stopping times can be set independently for a finer pump control. In this case there are 3 Note: knobstoadjust:starttime, stop time and full load current (FLC) setting for the overload protection. RSWT is equipped with a number of diagnostic functions including phase sequence, over- and under- voltage monitoring, locked rotor protection and also shorted SCR for improved pump protection in case of abnormal conditions. Soft starter status indication is providedbymeans ofthree LEDs (green, yellow, red) for supply, ramping, and alarm indication. Additionally, RSWT (45mm) is also equipped with two output relays for alarm (Normallyclosed-NC)and top of ramp (Normally Open - NO) indication. In case of the RSWT…V10/ V11. series, there is a 4th LED to select whether alarms follow an auto- or manual recovery.In case of manual recovery of alarms, a push button is also available to reset the soft starter from alarm status. RSWT...32 uptoRSWT...55 are also equipped with a run relay. Centrifugal pump softstarter Operational Voltage Operational Current Control Voltage Supply Voltage Options Overload protection 0: No overload protection 1: Integrated Overload protection PTC input 0: No PTC input Note: above ordering code applies to RSWT models up to 25A Ordering CodeRSWT 40 32 E 0 V 0 1 1 Centrifugal pump softstarter Operational Voltage Operational Current Control Voltage Supply Voltage Options Overload protection 0: No overload protection 1: Integrated Overload protection PTC input 1: PTC input Cooling method 0: Natural convection 1: Cooling fan (1) Short circuit and overload protection are not provided with the RSWT...V00/RSWT...V01. version and must be procured separately (2)Shortcircuitprotectionis notprovidedwiththeRSWT...V10/ RSWT...V11. versions and must be procured separately. Note: above ordering code applies to RSWT models from 32A - 55A Specifications are subject to change without notice (10.04.2015) 1
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