Siemens 3RT2016-1BF42 Power Contactor 9A, 4kW, 110V DC Coil, 3-Pole, 1NC Aux, S00 Size Original Brand New

Overview 

The Siemens 3RT2016-1BF42 is a high-performance power contactor designed for reliable and efficient switching of electrical loads. As part of the SIRIUS 3RT2 series, this S00 size contactor is ideal for controlling motors, heaters, and other industrial equipment. Its compact design saves valuable space in control cabinets, while its robust construction ensures long-term operational stability.

Key Features & Benefit

• High Performance: Rated for AC-3e/AC-3 operation at 9 A and 4 kW (400 V), providing excellent performance for a wide range of applications.
• Energy Efficient: The 110 V DC operating coil ensures low power consumption and reliable switching.
• Compact & Space-Saving: The S00 size allows for high-density installations in tight spaces, reducing overall panel size and cost.
• Integrated Auxiliary Contact: The built-in 1 Normally Closed (NC) auxiliary contact provides valuable feedback for control circuits and interlocking functions.
• Secure Connection: Screw terminals offer a simple, robust, and reliable connection method for both main and auxiliary circuits.
• Globally Recognized: As a Siemens product, the 3RT2016-1BF42 is a trusted component known for its quality, reliability, and worldwide support.

Function

The Siemens 3RT2016-1BF42 functions as an electromagnetically operated switching device. When the 110 V DC coil is energized, it closes the main power contacts, allowing current to flow to the connected load. When the coil is de-energized, a spring returns the contacts to their open position, interrupting the power. The integrated 1 NC auxiliary contact changes state in sync with the main contacts, providing a signal that can be used for status indication, control logic, or safety interlocks.

Technical Specification

• Product Type: Power Contactor
• Series: SIRIUS 3RT2
• Product Number: 3RT2016-1BF42
• Rated Operating Current: 9 A (AC-3e/AC-3)
• Rated Power: 4 kW at 400 V
• Number of Poles: 3-pole
• Operating Coil Voltage: 110 V DC
• Auxiliary Contacts: 1 Normally Closed (1 NC)
• Termination Type: Screw Terminal
• Frame Size: S00

Application

• Motor control for various industrial machinery
• Switching of heating and lighting loads
• Controlling pumps, fans, and conveyors
• Integration into automated control systems and panels
• General-purpose power switching

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