Siemens 3RT2016-1MB42-0KT0 Power Contactor, 9A, 4kW, 24V DC, 1NC Auxiliary Contact, Screw Terminal Original Brand New

Overview

The Siemens 3RT2016-1MB42-0KT0 is a high-performance power contactor from the SIRIUS line, engineered for reliable and efficient switching of motors and electrical loads. This compact S00 frame size contactor is rated for 9 A at 400 V (AC-3e/AC-3) and is a perfect solution for industrial automation and control applications where space and dependability are critical.

Featuring a wide-range 24 V DC operating voltage and a single normally closed (NC) auxiliary contact, this unit is designed for a variety of control circuits. The robust screw terminals ensure a secure and maintenance-free connection, making installation straightforward and reliable.

Key Features & Benefit

• Compact & Space-Saving Design: The S00 frame size is ideal for installations with limited panel space, allowing for higher component density without sacrificing performance.
• High-Performance Switching: Rated for AC-3e/AC-3 applications up to 9 A (4 kW / 400 V), it is perfectly suited for controlling standard three-phase motors.
• Wide-Range 24V DC Operation: The control coil operates effectively within a voltage range of 0.85 to 1.85 times the nominal 24V DC, providing a high degree of flexibility and reliability in fluctuating power supply conditions.
• Integrated Auxiliary Contact: Comes with a pre-installed 1 normally closed (NC) auxiliary contact, simplifying wiring for essential feedback or interlocking circuits.
• Secure Screw Terminals: Provides a strong and durable connection that resists vibration and environmental factors, reducing the need for maintenance.
• Longevity & Reliability: Built with high-quality materials and Siemens’ renowned engineering, this contactor offers a long service life and consistent performance.

Function

The Siemens 3RT2016-1MB42-0KT0 power contactor serves as an electromagnetic switch to remotely turn on or off a three-phase electrical circuit. When the 24 V DC control coil is energized, the main contacts close, allowing power to flow to the connected load. The integrated normally closed (NC) auxiliary contact changes state (opens) when the main contacts close, providing a signal that the contactor has been energized. This function is essential for motor control, switching resistive loads, and managing various industrial automation processes.

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