The Siemens 3UA54 00-1J Overload Relay is a thermal delayed overload relay designed for mounting onto contactors and starters. It operates within a current range of 6.3 to 10 amperes and is rated for a maximum voltage of 600V AC. ([mall.industry.siemens.com](https://mall.industry.siemens.com/mall/en/WW/Catalog/Product/3UA50001J?utm_source=openai))
This relay features a 3-pole configuration and includes one normally open (NO) and one normally closed (NC) contact. It is compatible with Siemens World Series contactors and motor starter models such as 3TF30, 3TF31, 3TF40, and 3TF41. ([brahelectric.com](https://www.brahelectric.com/Products/Motor-Control-Overload-Relays-Siemens/3UA50-00-1J?utm_source=openai))
The 3UA54 00-1J is equipped with a manual reset button and comes complete with wiring connectors and terminals, facilitating straightforward installation and operation. ([brahelectric.com](https://www.brahelectric.com/Products/Motor-Control-Overload-Relays-Siemens/3UA50-00-1J?utm_source=openai))
With a net weight of approximately 0.202 kg (0.446 lbs), this relay is designed to provide reliable protection against overloads, enhancing the operational stability and longevity of electrical systems. ([mall.industry.siemens.com](https://mall.industry.siemens.com/mall/en/WW/Catalog/Product/3UA50001J?utm_source=openai))
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