3RW4027-1BB14

Product image of Siemens SIRIUS 3RW4027-1BB14 soft starter
Product image of Siemens SIRIUS 3RW4027-1BB14 soft starter

The SIRIUS 3RW4027-1BB14 soft starter is designed with a 110-230V AC/DC control voltage, eliminating the need for an additional control transformer and allowing connection to a panel power supply. It has a rated current of 32/29A, can control 15kW/400V motors, and features automatic, manual, and remote reset modes. It also has IP20 protection.

Contact Us
Share To
Product image of Siemens SIRIUS 3RW4027-1BB14 soft starter
Product Positioning

The 3RW4027-1BB14 is a Siemens SIRIUS 3RW40 series S0 frame soft starter with a control voltage range of 110-230V AC/DC. It is suitable for direct power supply from the existing control power supply on the panel, reducing the cost and wiring of adding a control transformer.

Core Product Advantages and Features
Wide-range control voltage
The control voltage supports 110-230V AC/DC, and the existing control power supply on the panel can be used directly, reducing the need for additional transformers.
Multiple reset modes
It offers three reset methods: automatic, manual, and remote, making it convenient for maintenance personnel to troubleshoot according to the on-site conditions.
Abundant auxiliary contacts
Equipped with two sets of normally open and one set of conversion auxiliary contacts, it facilitates the feedback signal to be connected in series to the control circuit.
Touch safety protection
The enclosure has an IP20 protection rating, providing basic dust and touch protection.
project Specification
model 3RW4027-1BB14
Product Series SIRIUS 3RW40
Frame size S0
Rated current 32/29 A
Corresponding motor power 15 kW/400 V (7.5 HP at 220-230V, 20 HP at 460-480V)
Rated operating voltage range 200-460 V AC
Control voltage 110-230 V AC/VDC
Auxiliary contact 2NO-1CO
Overload protection Electronic overload relay
Reset method Automatic/Manual/Remote
Terminal type Screw terminals
Start-stop time setting Adjustable from 0 to 20 seconds
Protection level IP20
External dimensions Approximately 125 (height) x 45 (width) x 155 (depth) mm

Recommend

Product image of Siemens SIRIUS 3RW4027-1TB04 soft starter
Read More

3RW4027-1TB04

The SIRIUS 3RW4027-1TB04 soft starter has a rated current of 32A, can control a 15kW/400V three-phase motor, and has a control voltage of 24V AC/DC. It features a built-in thermistor input evaluation function and provides adjustable start/stop time from 0 to 20 seconds, making it suitable for smooth starting of loads such as pumps and fans.
Product image of Siemens SIRIUS 3RW4027-1BB04 soft starter
Read More

3RW4027-1BB04

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.
Siemens SIRIUS 3RW4026-2BB04 soft starter product image
Read More

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.