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            Reversing contactors

            Reversing contactors

            POWERSWITCH - High functionality in the smallest space

            DOLD reversing contactors of the POWERSWITCH series are used to change the direction of rotation in alternating current motors, start them gently and/or to monitor their load. Various diagnostic functions inform you constantly about the operating condition of the motor. The DOLD reversing contactors save space and have few wires as all functions are combined in a single housing. Costs can also be saved as an alternative to a frequency converter. The devices are universally usable, e.g. for extruders, pumps, actuators or conveyors.

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            Catalogue, Power electronics, File: pdf, File size 5 MB

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            Load current 3-pole

            Auxiliary voltage DC

            On/Off Input Control DC

            On/Off Input Control AC/DC

            On/Off Input Control AC

            Temperature monitoring

            Signalling output

            Approvals

            Enclosure design

            Widths

            Reversing Contactor BH 9253

            • According to IEC/EN 60 947-1, IEC/EN 60 947-4-2
            • Switching at zero-crossing
            • To reverse 3 phase asynchronuos motors up to
            5.5 kW / 400 V (7.5 HP / 460 V)
            • Electrical interlocking of both directions
            • Temperature monitoring to protect the power semiconductors
            • Measured nominal current up to 20 A
            • LEDs for status...

            Reversing Contactor With Current Monitor BH 9255

            • According to IEC/EN 60 947-1, IEC/EN 60 947-4-2
            • Switching at zero crossing
            • To reverse 3 phase asynchronuos motors up to
            5.5 kW / 400 V (7.5 HP / 460 V)
            • Electrical interlocking of both directions
            • Temperature monitoring to protect the power semiconductors
            • Measured nominal current up to 20 A
            • LEDs for status...

            Reversing Contactor With Softstart And Active Power Monitoring BI 9254

            • According to IEC/EN 60 947-1, IEC/EN 60 947-4-2
            • To reverse 3 phase motors
            • Electrical interlocking of both directions
            • 2-phase softstart
            • Active power monitoring after softstart
            • Temperature monitoring of power semiconductors
            • LED indicator
            • Internal auxiliary voltage are made from phase voltage
            •...

            More information

            Intelligent, space-saving and affordable. Reversing contactors from DOLD are universally usable, e.g. for extruders, pumps, actuators, conveyors.

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