3RW4026-2BB04
The SIRIUS 3RW4026-2BB04 soft starter is a variant of the 3RW4026 series. It has a rated current of 25A, can control an 11kW/400V three-phase motor, and has a control voltage of 24V AC/DC. The screw terminal design facilitates field wiring and maintenance.
Product Positioning
The 3RW4026-2BB04 is a variant of the Siemens SIRIUS 3RW40 series 3RW4026 basic model. It retains the electrical specifications of the model, which has a rated current of 25A and can control an 11kW/400V motor, with a control voltage of 24V AC/DC.
Core Product Advantages and Features
Electronic soft start control
Electronic control reduces the inrush current and torque surge during motor startup.
24V control voltage
The control voltage is 24V AC/DC, which is highly compatible with common PLCs or control power supplies.
Screw terminal wiring
Both the main circuit and the control circuit use screw terminals, which facilitates on-site wiring and regular maintenance.
Simplified exterior design
It is a simplified model with an S0 frame, suitable for control box configurations with limited space.
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The SIRIUS 3RW4027-1BB04 soft starter is a standard model (without thermistor input), rated current 32A, capable of controlling a 15kW/400V three-phase motor, control voltage 24V AC/DC, and uses screw terminals and DIN rail mounting.
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3RW4026-1TB04
The SIRIUS 3RW4026-1TB04 soft starter has a rated current of 25A and can control an 11kW/400V three-phase motor. It has a built-in thermistor (PTC) input terminal to monitor the motor temperature, and a control voltage of 24V AC/DC. It is screw-terminal mounted.
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3RW4026-1BB15
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