3TX4412-1A Siemens

The Siemens 3TX4412-1A is a versatile auxiliary switch block designed to enhance the functionality of motor contactors. This component is engineered to be compatible with contactor relays and power contactors, ensuring seamless integration into a variety of industrial control systems. With a protection class of IP20, it is suitable for use in environments where protection against solid objects is necessary. This auxiliary switch block operates reliably within a broad ambient temperature range, from as low as -25°C to as high as +55°C during operation, and can withstand storage temperatures from -55°C to +80°C. Its mechanical service life is impressive, with a typical expectancy of 10 million switching cycles, signifying a robust and durable design. The 3TX4412-1A is equipped with 1 Normally Open (NO) and 2 Normally Closed (NC) contacts for auxiliary purposes, providing flexibility in control circuit design. It can handle operating currents of up to 10 A at 24 V and 230 V for AC-12 applications, and its insulation voltage is rated at 690 V with a degree of pollution 3, ensuring safe operation even in electrically demanding situations. Installation is straightforward with its snap-on mounting design, and the dimensions of 45 mm in width, 24 mm in height, and 25 mm in depth make it a compact addition to any control panel. The screw-type terminals offer a secure and reliable electrical connection for auxiliary and control current circuits, accommodating a range of conductor cross-sections. The 3TX4412-1A is also designed with safety in mind, featuring positively driven operation in accordance with IEC 60947-5-1 standards. It holds a general product approval and has been certified with a KC Type Examination Certificate, ensuring compliance with international standards. This auxiliary switch block is an essential component for those seeking to enhance the control and safety of their motor contactor applications, providing reliable performance and a high degree of flexibility in system design.