3RT20281BB401AA0

Siemens 3RT2028-1BB40-1AA0 AC Contactor Size S0 1NO1NC
Siemens 3RT2028-1BB40-1AA0 AC Contactor Size S0 1NO1NC

Siemens 3RT2028-1BB40-1AA0 AC contactor, SIRIUS 3RT20 series, Size S0, 3 poles, AC-3 rated current 38A, 18.5kW (400V), control voltage 24V DC, with 1NO+1NC auxiliary contacts, screw terminal wiring.

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Siemens 3RT2028-1BB40-1AA0 AC contactor, Size S0 1NO1NC
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The Siemens 3RT2028-1BB40-1AA0 AC contactor belongs to the SIRIUS 3RT20 series, Size S0, 3-pole design, AC-3 rated current 38A, 18.5kW (400V), suitable for direct starting applications of small motors. The Siemens 3RT2028-1BB40-1AA0 controls at 24V DC, is equipped with 1 NO + 1 NC auxiliary contacts, features screw terminal upright mounting, and weighs only 0.606 kg, making it the lightest model in the series.

Core Product Advantages and Features
Size S0, 3-pole main circuit
AC-3 rated current 38A, 18.5kW (400V), suitable for starting small motors.
1NO+1NC auxiliary contact
Basic monitoring and feedback configuration, operating with 24V DC control voltage.
Screw terminals installed upright
Standard upright installation method, suitable for general control panel configuration.
Lightweight body, 0.606kg
The lightest size in the series, making it easy to configure the control box space.
project Specification
Product Series SIRIUS 3RT20
Size Specifications Size S0
Extreme number 3 poles
AC-3 rated current (400V) 38 A
AC-3 Rated Power (400V) 18.5 kW
Control voltage 24V DC
Auxiliary contact configuration 1NO+1NC
Wiring method Screw terminals
Installation method Upright installation
weight 0.606 kg
External dimensions (width × height × depth) 54×92×115.5 mm

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