ABB SPA-ZC21 Bus Connection Module, Industrial Automation Solution

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The ABB SPA-ZC21 is a specialized protection relay designed for medium voltage applications. Key specifications include a rated voltage of up to 250V AC/DC, and a wide operating temperature range from -25°C to +70°C. It is typically used in power distribution networks for overcurrent and earth-fault protection. Compared to the ABB SPAU130C-AA, the SPA-ZC21 offers enhanced sensitivity for earth-fault detection, making it ideal for more critical applications where precise fault detection is essential.

ABB SPA-ZC21 Bus Connection Module, Industrial Automation Solution

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The ABB SPA-ZC21 is a specialized protection relay designed for medium voltage applications. Key specifications include a rated voltage of up to 250V AC/DC, and a wide operating temperature range from -25°C to +70°C. It is typically used in power distribution networks for overcurrent and earth-fault protection. Compared to the ABB SPAU130C-AA, the SPA-ZC21 offers enhanced sensitivity for earth-fault detection, making it ideal for more critical applications where precise fault detection is essential.
The above parameters are for reference only. Please contact our technical team for precise selection.