✅ CHINT 101309 – NA1-1000X-400M/4P MN–FX AC220/230(R) 4-Pole Air Circuit Breaker – 400A, Fixed Type, Manual Trip (MN), 42kA Icu, AC220/230V 🔹 Description (English): The CHINT 101309 – NA1-1000X-400M/4P MN–FX AC220/230(R) is a medium-rated 4-pole air circuit breaker (ACB) engineered for reliable disconnection of all phases and neutral in low-voltage power distribution panels. With a rated current of 400A, breaking capacity of 42kA (Icu), and manual undervoltage trip (MN), it is ideal for safeguarding compact commercial and industrial loads. Equipped with a basic M-type intelligent controller, fixed mounting (FX), and operating on a 220/230V AC control circuit, this breaker ensures safe and efficient protection in three-phase + neutral systems. 🔹 Key Features: Rated current: 400A 4-pole configuration (3P + N) Fixed mounting (FX) Manual trip unit (MN) Breaking capacity: Icu 42kA, Ics 30kA Control voltage: AC220/230V Basic intelligent controller (M-type) Suitable for compact and medium-load systems Standard: IEC 60947-2 🔹 Technical Specifications (English): Parameter Value Model NA1-1000X-400M/4P MN–FX Part Number CHINT 101309 Rated Current (In) 400A Breaking Capacity (Icu) 42kA Service Breaking Capacity (Ics) 30kA Frame Size 1000X Intelligent Controller M-type (Basic) Poles 4P (3P+N) Operation Type Manual Trip (MN) Mounting Type Fixed (FX) Control Circuit Voltage AC220/230V Compliance IEC 60947-2