
Siemens 3RF3330-1AA04
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The Siemens 3RF3330-1AA04 is a high-quality solid-state contactor from the SIRIUS 3RF3 range, designed for reliable switching of resistive loads in industrial applications. With a 1-pole design and AC-1 utilization category, it supports a rated operational current of 30 A at an ambient temperature of 40 °C.
This solid-state contactor operates within a wide load voltage range of 48 to 460 V AC and is controlled via a 24 V DC control voltage. Thanks to semiconductor switching technology, it offers silent operation, long service life, and maintenance-free performance, making it ideal for frequent switching tasks in control panels and automation systems.
The compact housing and screw terminal connections allow easy integration into standard electrical cabinets. Typical applications include heaters, lighting systems, and other resistive loads where reliable and wear-free switching is required. As a Siemens original product manufactured in Germany, the 3RF3330-1AA04 ensures proven quality, high operational safety, and long-term availability for professional electrical installations.