3UL2303-1ABuy genuine Siemens 3UL2303 1A online for your automation system The Siemens 3UL2303 1A is a high quality residual current transformer designed for precise residual current monitoring in low voltage industrial environments. Featuring a 55 mm bushing opening and capable of detecting residual currents ranging from 30 mA up to 40 A, this model ensures reliable ground fault protection and enhanced safety in electrical systems. Manufactured to original
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