Siemens 3RT2027-1BF44 Power Contactor, 32A, 15kW, 110V DC, S0 Size Original Brand New

Overview: Siemens 3RT2027-1BF44 SIRIUS Power Contactor

The Siemens 3RT2027-1BF44 power contactor from the SIRIUS series is a high-performance, compact switching device designed for reliably controlling electric motors and other loads up to 15 kW at 400 V (AC-3/AC-3e). This robust 3-pole contactor is rated for a continuous operating current of 32 A and is equipped with a highly reliable 110 V DC control coil for integration into modern DC control systems.

It is engineered in the space-saving Size S0 format and utilizes secure screw terminals for main and auxiliary circuits. A key feature is the pre-installed, removable auxiliary switch block providing a versatile 2 NO + 2 NC configuration, which simplifies installation and wiring modifications.

Benefits & Advantages

• High Performance in a Compact Design: Size S0 delivers high switching capacity (32A/15kW) with minimal space requirement in control panels.
• DC Coil Reliability: The 110 V DC coil ensures stable, energy-efficient operation and is ideal for integration into various DC control networks.
• Flexible Auxiliary Contact Configuration: The included 2 Normally Open ($\text{NO}$) and 2 Normally Closed ($\text{NC}$) auxiliary contacts are removable, offering maximum flexibility for signaling and interlocking applications.
• Easy and Secure Wiring: Robust screw terminals ensure a strong, reliable, and straightforward connection for quick installation.
• Global Standard Compliance: Suitable for worldwide use in compliance with major standards like IEC and UL/CSA (verify datasheet for specific certifications).
• IE3/IE4 Ready: Optimized for efficient control of high-efficiency motors.

Function / Application

The Siemens 3RT2027-1BF44 contactor is primarily used for switching and controlling motors and other resistive or inductive loads in industrial automation, machinery, and electrical distribution.

• Motor Control: Direct-on-line (DOL) starting and stopping of 3-phase AC motors up to 15 kW.
• Machine Building: Integration into machinery for process control and safety circuits.
• Automation Systems: Used in conjunction with circuit breakers, overloads, and PLCs to form complete load feeders.
• General Switching: Switching of heaters, lighting systems, and capacitors.

For more of our high-quality industrial automation and control products, visit turll.