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Siemens 3RT20162BB42 Power Contactor 3-pole 9A 4kW 24V DC with 1NC Auxiliary Contact
The Siemens power contactor is a reliable electrical switching device designed for motor control and various industrial applications. Engineered for efficiency and safety, this 3-pole contactor supports a 9 A operational current and 4 kW power capacity at 400 V under AC-3 rating. It operates with a 24 V DC control voltage coil and includes an integrated 1 NC auxiliary contact. Built within a compact size S00 modular design, it features spring-loaded terminals for secure and vibration-proof wiring. As part of the SIRIUS system, this device ensures high contact reliability and is climate-resistant, making it suitable for worldwide industrial use.
This power contactor offers a space-saving and compact design that integrates seamlessly into modular control panels. The spring-loaded terminal technology enables fast, maintenance-free, and vibration-proof installation, significantly reducing wiring time and effort. High contact reliability and climate resistance ensure stable performance even in demanding industrial environments. Additionally, the integrated auxiliary contact minimizes the need for extra components, simplifying overall circuit design and automation integration.
This power contactor is not designed for residential electrical installations or applications requiring AC control voltage without an appropriate rectifier. It is also unsuitable for motor loads exceeding the specified 4 kW at 400 V or operational currents greater than 9 A.
Mount the power contactor securely onto a standard mounting rail within a suitable control enclosure. Connect the main power circuit wires and the 24 V DC control voltage to the designated spring-loaded terminals, ensuring all connections are firmly seated to prevent loose contacts. Integrate any necessary auxiliary circuits through the 1 NC contact as required by your control logic. Verify proper wiring and alignment with other modular SIRIUS components before energizing the system.
Always disconnect power to the control panel before installing, inspecting, or servicing the power contactor. Installation should be performed by qualified personnel in accordance with relevant electrical codes and manufacturer instructions.
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