SACE PR111/P_ABB_PRODUCT_吉林易择科技技术发展有限公司

Technical Parameters Parameter Specification Product Name ABB SACE PR111/P Product Type Electronic Protection Trip Unit Application Protection of low-voltage power distribution circuits Compatible Breakers ABB SACE Emax air circuit breakers Power Supply Self-powered from breaker current transformers Rated Frequency 50 / 60 Hz Installation Mounted on the front of the circuit breaker Poles Supported 3-pole and 4-pole Neutral Handling Suitable for breakers with or without neutral Protection Functions Overload (L), Short-circuit (S), Instantaneous short-circuit (I), optional Ground-fault (G), depending on version Protection Versions PR111/P-LI, PR111/P-LSI, PR111/P-LSIG Adjustable Parameters Current thresholds and time delays (version dependent) User Interface LED indicators for alarm and trip status Degree of Protection IP30 when installed in the circuit breaker Operating Temperature −25 °C to +70 °C Storage Temperature −40 °C to +90 °C Standards IEC 60947-2

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DESCRIBE

ABB SACE PR111/P is a microprocessor-based electronic protection trip unit designed for use with ABB SACE Emax low-voltage air circuit breakers. It continuously monitors the current flowing through the circuit breaker and provides reliable overcurrent protection. When preset protection thresholds are exceeded, the PR111/P sends a trip command to the breaker mechanism, ensuring fast and safe disconnection of the circuit.

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