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      • SIEMENS 3TH2022-1AF0 Auxiliary Contactor

        Product Overview

        SIEMENS 3TH2022-1AF0 is a SIRIUS 3TH2 Contactor Relay (Auxiliary Contactor) designed for switching and control circuit applications. It is mainly used as an auxiliary switching device in industrial control systems, motor control circuits, and automation panels.

        This model features 4 auxiliary contacts (2NO + 2NC) and an AC control coil rated 110 V AC at 50 Hz / 132 V AC at 60 Hz. It belongs to the older SIRIUS contactor relay series and has been replaced by newer SIRIUS 3RH21 series products.

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        Specifications

        • Brand: SIEMENS
        • Model: 3TH2022-1AF0
        • Series: SIRIUS 3TH2
        • Product Type: Auxiliary Contactor / Contactor Relay
        • Contact Configuration: 2 NO + 2 NC
        • Size: 22E
        • Standards: EN 50011
        • Coil Type: AC Operation
        • Control Voltage:
          • 110 V AC @ 50 Hz
          • 132 V AC @ 60 Hz
        • Connection Type: Flat/tab connector terminals
        • Number of Auxiliary Contacts:
          • Normally Open (NO): 2
          • Normally Closed (NC): 2
        • Protection Degree: IP00
        • Operating Temperature: -25…+55 °C
        • Mounting: Panel mounting
        • Application: Control and switching circuits

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        Advantages & Features

        • Reliable switching for industrial control circuits
        • Compact auxiliary contactor design
        • Multiple NO/NC contacts for flexible control logic
        • Suitable for PLC control systems and relay logic circuits
        • High switching reliability
        • Compatible with Siemens SIRIUS control equipment
        • Ideal for replacement and maintenance of existing systems

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        Applications

        • Motor control panels
        • Industrial automation systems
        • PLC output interface circuits
        • Electrical control cabinets
        • Contactor interlocking circuits
        • Machine control systems
        • Factory automation equipment

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        Precautions

        • Confirm coil voltage before installation
        • Verify contact arrangement (2NO + 2NC)
        • Check compatibility with existing Siemens contactor systems
        • Do not exceed auxiliary contact current ratings
        • Disconnect power before wiring or replacement
        • Ensure proper terminal connection 

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