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WATSN125B /4A

The Schneider WATSN125B /4A is a Molded Case Circuit Breaker (MCCB) designed for overcurrent protection in 3-phase electrical circuits. It is part of Schneider Electric's WATSN series, which provides reliable protection for various industrial, commercial, and residential applications.

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Parameters: Rated Current (In): 125A Poles: 4P (Four-pole configuration for 3-phase systems with neutral protection) Rated Voltage (Un): 415V AC (standard voltage for 3-phase systems) Rated Frequency: 50/60Hz Breaking Capacity (Icu): 25kA (maximum fault current the MCCB can safely interrupt) Overload Protection: Yes, the WATSN125B /4A provides thermal overload protection, which ensures the breaker trips when the current exceeds the rated value for a prolonged period. Short Circuit Protection: Yes, it includes magnetic short-circuit protection, which instantly disconnects the circuit in the event of a short circuit. Insulation Resistance: ≥ 100MΩ (at 500V DC) Ambient Temperature Range: -25°C to +60°C (suitable for a variety of environmental conditions) Mechanical Durability: 20,000 operations Electrical Durability: 4,000 operations (under rated current and short-circuit conditions) Auxiliary Contacts: Available for remote monitoring or signaling