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E3N2500 R2500 PR121/P-LSIG WHR 3P

The ABB E3N2500 R2500 PR121/P-LSIG WHR 3P is a high-performance motor protection circuit breaker (MPCB) designed to offer comprehensive protection for motors, transformers, and electrical circuits in industrial and commercial applications. This model is part of ABB's SACE series and is specifically designed for high-power applications requiring protection against overload, short-circuit, ground faults, and thermal damage. The breaker integrates PR121/P and LSIG (Long-time, Short-time, Instantaneous, Ground fault) protection types for robust, flexible protection, ensuring the safe operation of motors, switchgear, and other electrical components.

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Parameters: Model Number: ABB E3N2500 R2500 PR121/P-LSIG WHR 3P Rated Voltage: 400 V AC (Three-phase) Rated Current: 2500 A (adjustable) Frequency: 50/60 Hz Protection Type: Long-Time Protection (L): Adjustable from 0.7 to 1.0 times rated current for overload protection, ensuring that the system is protected from prolonged overcurrents. Short-Time Protection (S): Adjustable from 3 to 10 times rated current, with a time delay, providing protection against short-circuit faults while preventing nuisance tripping. Instantaneous Protection (I): Instantaneous tripping for severe short-circuit conditions, ensuring the system is protected from high fault currents. Ground Fault Protection (G): Ground fault protection (LSIG) detects leakage currents or faults and isolates the faulty section, improving system safety. Thermal Overload Protection: Protects against overheating of motors by monitoring temperature and adjusting protection settings as needed to ensure the equipment operates within safe thermal limits. Wide Heat Range (WHR): Ensures adaptability to different environmental temperatures, allowing for use in diverse operational conditions. Breaking Capacity (Icu): 50 kA at 400 V, suitable for handling high fault currents and ensuring rapid and safe disconnection during fault conditions. Mounting Type: DIN rail or panel mount for easy installation in electrical panels, motor control centers (MCCs), and distribution boards. Degree of Protection: IP20 (suitable for indoor environments; optional external protection kits available for harsher environments). Weight: Approx. 20–25 kg (depending on configuration). Dimensions (H x W x D): Approx. 500 x 300 x 200 mm (subject to configuration). Control Voltage: 24 V DC (external supply for control and communication functions). Modbus RTU Communication (Optional): For integration with PLC or SCADA systems, enabling remote monitoring, fault detection, and diagnostics. Auxiliary Contacts (Optional): Available for use with control systems to signal faults or provide status information to external systems.