✅ CHINT 101164 – NA1-4000X-4000M/3P MN-FX AC220/230(R) Ultra High-Capacity Air Circuit Breaker – 4000A, 3 Poles, 80kA Icu, Manual Trip, Fixed Type, AC220/230V 🔹 Description (English): The CHINT 101164 – NA1-4000X-4000M/3P MN-FX AC220/230(R) is an ultra high-capacity air circuit breaker (ACB) designed to deliver maximum fault protection in the most demanding electrical systems. With a rated current of 4000A, and high interrupting capacity of 80kA (Icu) and 65kA (Ics), this breaker is ideal for substations, heavy industrial power systems, and infrastructure-level distribution boards. It features a manual trip mechanism (MN) and a basic M-type intelligent controller, and operates on a 220/230V AC control circuit. The fixed-mounting configuration (FX) and 3-pole design make it a trusted solution for critical high-load power applications. 🔹 Key Features: Rated current: 4000A Extreme breaking performance: Icu 80kA, Ics 65kA Manual trip unit (MN) Intelligent controller: M-type (Basic) Fixed mounting (FX), 3 poles (3P) Control circuit voltage: AC220/230V Designed for substations and large-scale power infrastructure Compliant with IEC 60947-2 🔹 Technical Specifications (English): Parameter Value Model NA1-4000X-4000M/3P MN-FX Part Number CHINT 101164 Rated Current (In) 4000A Breaking Capacity (Icu) 80kA Service Breaking Capacity (Ics) 65kA Frame Size 4000X Intelligent Controller M-type (Basic) Poles 3P Operation Type Manual (MN) Mounting Type Fixed (FX) Control Circuit Voltage AC220/230V Compliance IEC 60947-2