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1SDA058191R1，2000A-E1/4

ABB 1SDA058191R1 is an external neutral current sensor accessory for ABB low-voltage air circuit breakers in the SACE Emax series. It is designed to measure and provide a neutral current signal for breaker frames such as E1, E2, E4, etc., and is used in applications where external neutral current measurement is required for protection, monitoring, or control functions. The product works with neutral conductor sizes corresponding to 50–100% of rated range and supports neutral current measurement up to 2000 A.

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Technical Parameters Parameter Specification Product Name External Neutral Current Sensor Manufacturer ABB Part Number / Order Code 1SDA058191R1 Accessory Type Neutral Current Sensor (for external neutral conductor) Applicable Series ABB SACE Emax Air Circuit Breaker Accessories Neutral Conductor Range N50–100% (typical percentage range of neutral conductor dimension) Supported Breaker Frames E1, E2, E4 (and similar modular frames) Neutral Current Rating Up to 2000 A Application Neutral current measurement accessory for protection/trip/monitoring Mounting / Usage Installed with Emax breaker and protection unit to sense neutral current Compliance / Standards Meets ABB accessory integration specifications for SACE Emax series Country of Origin Typically manufactured in Italy Weight (approx.) ~5 kg (varies by packaging)