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QT3_SERIES
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Catalog excerpts

QT3_SERIES - 1

QT3 SERIES CONTROL PANELS FOR 3 THREE PHASE MOTOR PUMPS DIRECT STARTING WITH THERMAL PROTECTION FOR WASTEWATER Three phase electromechanical control panel for three motor pumps TECHNICAL DATA • Power supply 3 ~ 50/60Hz 400V ± 10% • Main disconnecting switch with door lock • Transformer for power supply of auxiliary circuits • Contactor for each motor • Exchanger • Protection degree IP 55 INPUT • No. 8 low voltage inputs for: - Emergency stop SL / SP STOP (e.g, oat switches for protection from dry operation), active in both AUTOMATIC and MANUAL modes - Functional start and stop SL / SP 1 ÷ 3 (e.g.:control oat switches) for each motor - Maximum level alarm SL / SP MAX - Engine block due to temperature sensor tripping B CONTROLS AND SIGNALS • Selector MANUAL-AUTOMATIC-OFF for each engine • No. 7 indicator lights for the signaling of: - Presence of power supply - Motor pump 1 ÷ 3 running - Motor protection tripping 1 ÷ 3 PROTECTION AND ALARMS • Thermal relay sensitive to the lack of phase internally resettable; • Motor protection fuses for each motor • Protection fuses on the auxiliary circuits • Alarm output 24Vac active in case of overload protection tripping or maximum level reached • Engine block due to temperature sensor tripping OPERATING CONDITIONS: • Ambient temperature -5 / +40°C • Relative humidity 50% with maximum temperature 40°C. NOTES • The power value is indicative in order for you to choose the correct control panel, make sure that the motor ampere absorption is included between the two operating current values of the control panel • Housing made of metal (M) for all sizes ELECTRICAL SPECIFICATION Model Three-phase 400V +10-15% - 50Hz QTDE 30/3A-T-AR * QTDE 30/4,5A-T-AR * QTDE 30/7A-T-AR * QTDE 30/9A-T-AR * QTDE 30/14A-T-AR * QTDE 30/17-T-AR * QTDE 30/21A-T-AR * QTDE 30/23A-T-AR * QTDE 30/29A-T-AR * * Direct start Your Life, our Quality. Worldwide. The contents of this publication must not be regarded as binding. EBARA Pumps Europe S.p.A. reserves the right to effect any modification it deems necessary, without prior notice.

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