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Siemens

3RW4028-1BB04 — Soft Starter

Electrical & controls

Part number: 3RW4028-1BB04

3RW4028-1BB04 — Soft Starter — Siemens part reference 3RW4028-1BB04. Request a destination-specific quotation with shipping included. Confirm equipment model, serial number, quantity and any required certificates; availability, exact supply specification and warranty terms are checked before ordering.

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Technical specifications

ManufacturerSiemens
Part number3RW4028-1BB04
CategoryElectrical & controls
Item Type NameSoft Starter
Product Family / SeriesSIRIUS 3RW40
Product DesignationSoft starter
SizeS0
rated_operational_current38 A
rated_motor_power_at_400V18.5 kW
rated_operational_voltage200-480 V AC
control_supply_voltage24 V AC/DC
rated_insulation_voltage600 V
thyristor_blocking_voltage_max1600 V
ambient_temperature40 °C
integrated_bypass_contact_systemYes
thyristorsYes
intrinsic_device_protectionYes
motor_overload_protectionYes
thermistor_motor_protection_evaluationNo
external_resetYes
adjustable_current_limitationYes
inside_delta_circuitNo
motor_brake_outputNo
connection_typeScrew terminals
degree_of_pollution3 (acc. IEC 60947-4-2)
Reference Code En 61346 2Q
Height148 mm
Width45 mm
Depth125 mm
Reference statusPublished catalogue reference; confirm specification and fitment before ordering
AvailabilityOn request

Catalogue information may contain errors or be out of date. Full specifications and verified details are available on request. Confirm the part number and equipment fitment with us before ordering.

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