Power Contactor: 3-pole; 15 kW;32A; 400 V; Coil 24VDC; NO x3; Auxiliary contacts: 2 NO + 2 NC; screw terminal;SIEMENS

Power contactor, AC-3P 32 A, 15 kW / 400 V, 2 NO + 2 NC, 24 V DC, size S0 screw terminals Removable auxiliary switch

5 in stock

SKU: 3RT2027-1BB44
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Additional Info

This product page details the Siemens power contactor, a robust 3-pole switching device designed for reliable motor control and power switching applications. Rated for 15kW at 400V with a 32A current capacity, this contactor features a 24VDC control coil, three main normally open power contacts, and versatile auxiliary contacts (2NO+2NC) with convenient screw terminals for industrial control systems.

Overview of the Power Contactor

The Siemens power contactor serves as a critical component in industrial control systems for medium-power applications. Because it combines high electrical durability with versatile control options, it is ideally suited for motor control, heating systems, and other industrial applications where reliable switching and long service life are essential requirements.

Key Features and Technical Specifications

This industrial contactor is engineered for both performance and flexibility. Therefore, here are its essential characteristics:

  • Power Rating: 15kW at 400V for three-phase systems
  • Current Capacity: 32A continuous current rating
  • Poles: 3-pole configuration for three-phase applications
  • Coil Voltage: 24VDC for safe control circuit operation
  • Main Contacts: 3 normally open (NO) power contacts
  • Auxiliary Contacts: 2 NO + 2 NC for comprehensive control circuits
  • Terminals: Screw terminals for secure connections
  • Mounting: Standard DIN rail or panel mounting

Siemens power contactor for 15kW 400V applications with screw terminals
Siemens power contactor for reliable industrial motor control.

Typical Applications and Use Cases

The versatile configuration of this power contactor makes it suitable for various industrial applications. For example, it is commonly used for:

  • Three-phase motor control (up to 20HP)
  • Industrial heating system control
  • Pump and compressor control systems
  • HVAC system power switching
  • Manufacturing equipment control
  • Process control system power distribution
  • Machine tool and automation control

For complete motor control solutions, explore our range of compatible overload relays and motor starters designed to work with Siemens contactors.

Why Choose This Siemens Power Contactor?

Selecting this Siemens power contactor provides significant advantages for industrial control applications. Firstly, the 15kW rating at 400V ensures reliable operation with medium-power three-phase loads commonly found in industrial settings. Secondly, the generous auxiliary contact configuration (2NO+2NC) offers exceptional flexibility for complex control circuits, status indication, and interlocking applications. Consequently, you achieve robust power control with maximum configuration flexibility for sophisticated industrial automation systems.

Installation and Wiring Guidelines

Proper installation of this power contactor is essential for optimal performance and safety. Mount the contactor securely on a DIN rail or panel, ensuring adequate clearance for ventilation and maintenance. Use appropriate cable sizes for the 32A rating and torque the screw terminals to Siemens’ specifications. Furthermore, the 24VDC coil provides safe control voltage operation, and the multiple auxiliary contacts allow comprehensive control circuit design for status feedback, interlocking, and indicator circuits.

For detailed technical specifications and application guidelines, consult the comprehensive Siemens industrial automation documentation.

Enhance Your Industrial Control System Today

In summary, this Siemens power contactor with its 15kW rating and versatile contact configuration represents a reliable solution for medium-power industrial control applications. Finally, by incorporating this robust contactor into your control systems, you ensure reliable operation, enhanced safety, and long service life for your industrial electrical applications.