Siemens 3RT2016-1HB42 SIRIUS Power Contactor, 9A, 4kW, 24V DC, 1 NC, Screw Terminal, S00 Original Brand New

Overview

The Siemens 3RT2016-1HB42 is a high-performance SIRIUS series power contactor designed for reliable switching of motors and electrical loads. This compact and robust 3-pole contactor is rated for AC-3e/AC-3 applications, handling a nominal current of 9 A and motor power up to 4 kW at 400 V.

Its 24 V DC coil is specifically designed with a wide operating range (0.7-1.25 * Uc), making it perfectly suited for direct integration with modern PLC outputs. With its convenient screw terminals and compact S00 frame size, this contactor offers a space-saving and efficient solution for industrial automation panels.

Key Features & Specification

• Product Number: 3RT2016-1HB42
• Contactor Type: Power Contactor (AC-3e/AC-3)
• Rated Operational Current (AC-3): 9 A
• Rated Motor Power (400 V): 4 kW
• Number of Poles: 3-pole
• Coil Voltage: 24 V DC (wide operating range: 0.7-1.25 * Uc)
• Auxiliary Contacts: 1 normally closed (NC)
• Connection Type: Screw terminals
• Frame Size: S00
• Compatibility: Optimized for direct connection to PLC outputs
• Special Note: No additional auxiliary switches can be mounted.

Benefit

• Seamless PLC Integration: The wide voltage tolerance of the 24 V DC coil ensures stable operation and reliable switching when controlled directly by PLC outputs, eliminating the need for additional interface relays.
• Space-Saving Design: The compact S00 frame size allows for higher density mounting in control cabinets, helping you save valuable panel space.
• High Reliability: As part of the Siemens SIRIUS family, this contactor guarantees long-term durability and consistent performance in demanding industrial environments.
• Easy Installation: Standard screw terminals simplify wiring and installation, reducing setup time and effort.
• Safe Operation: The included 1 NC auxiliary contact provides essential feedback for monitoring the contactor’s status within your control system.

Function

The Siemens 3RT2016-1HB42 power contactor serves as the primary switching device for controlling the flow of power to electrical loads. Its main functions include:

• Motor Control: Starting and stopping three-phase AC motors.
• Load Switching: Switching various resistive or inductive loads, such as heaters, lighting, and transformers.
• Circuit Interruption: Safely breaking the circuit under normal operating conditions.
• System Feedback: The integrated NC auxiliary contact provides a signal to the control system, indicating whether the main contacts are open, which is crucial for interlocking and safety circuits.

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